Renumber proc_macro tracking issues

[alexcrichton]

Lots of issue links in the compiler still point to #38356 which is a bit of a monster issue that isn't serving much purpose any more. I've split the issue into a number of more fine-grained tracking issues to track stabilizations.

[rust-highfive]

r? @nikomatsakis

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[rust-highfive]

The job x86_64-gnu-llvm-5.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

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---
travis_time:start:test_codegen
Check compiletest suite=codegen mode=codegen (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
[01:05:46] 
[01:05:46] running 107 tests
[01:05:50] i..ii...iii....i...i.........i..iii...........i.....i....ii...i.i.ii..............i....ii.ii.i....ii 100/107
[01:05:50] test result: ok. 77 passed; 0 failed; 30 ignored; 0 measured; 0 filtered out
[01:05:50] 
[01:05:50]  finished in 3.444
[01:05:50] travis_fold:end:test_codegen
---
travis_time:start:test_ui-fulldeps
Check compiletest suite=ui-fulldeps mode=ui (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
[01:06:16] 
[01:06:16] running 42 tests
[01:06:51] ............................F......F......
[01:06:51] 
[01:06:51] ---- [ui] ui-fulldeps/proc-macro/multispan.rs stdout ----
[01:06:51] 
[01:06:51] 
[01:06:51] error: auxiliary build of "/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/multispan.rs" failed to compile: 
[01:06:51] status: exit code: 1
[01:06:51] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/multispan.rs" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui-fulldeps/proc-macro/multispan/auxiliary" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui-fulldeps/proc-macro/multispan/auxiliary"
[01:06:51] ------------------------------------------
[01:06:51] 
[01:06:51] ------------------------------------------
[01:06:51] stderr:
[01:06:51] stderr:
[01:06:51] ------------------------------------------
[01:06:51] {"message":"use of unstable library feature 'proc_macro_def_site' (see issue #54724)","code":{"code":"E0658","explanation":"\nAn unstable feature was used.\n\nErroneous code example:\n\n```compile_fail,E658\n#[repr(u128)] // error: use of unstable library feature 'repr128'\nenum Foo {\n    Bar(u64),\n}\n```\n\nIf you're using a stable or a beta version of rustc, you won't be able to use\nany unstable features. In order to do so, please switch to a nightly version of\nrustc (by using rustup).\n\nIf you're using a nightly version of rustc, just add the corresponding feature\nto be able to use it:\n\n```\n#![feature(repr128)]\n\n#[repr(u128)] // ok!\nenum Foo {\n    Bar(u64),\n}\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/multispan.rs","byte_start":991,"byte_end":1005,"line_start":31,"line_end":31,"column_start":20,"column_end":34,"is_primary":true,"text":[{"text":"        return Err(Span::def_site()","highlight_start":20,"highlight_end":34}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"add #![feature(proc_macro_def_site)] to the crate attributes to enable","code":null,"level":"help","spans":[],"children":[],"rendered":null}],"rendered":"error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)\n  --> /checkout/src/test/ui-fulldeps/proc-macro/auxiliary/multispan.rs:31:20\n   |\nLL |         return Err(Span::def_site()\n   |                    ^^^^^^^^^^^^^^\n   |\n   = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable\n\n"}
[01:06:51] {"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to previous error\n\n"}
[01:06:51] {"message":"For more information about this error, try `rustc --explain E0658`.","code":null,"level":"","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0658`.\n"}
[01:06:51] ------------------------------------------
[01:06:51] 
[01:06:51] thread '[ui] ui-fulldeps/proc-macro/multispan.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3267:9
[01:06:51] note: Run with `RUST_BACKTRACE=1` for a backtrace.
[01:06:51] note: Run with `RUST_BACKTRACE=1` for a backtrace.
[01:06:51] 
[01:06:51] ---- [ui] ui-fulldeps/proc-macro/three-equals.rs stdout ----
[01:06:51] 
[01:06:51] error: auxiliary build of "/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs" failed to compile: 
[01:06:51] status: exit code: 1
[01:06:51] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui-fulldeps/proc-macro/three-equals/auxiliary" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui-fulldeps/proc-macro/three-equals/auxiliary"
[01:06:51] ------------------------------------------
[01:06:51] 
[01:06:51] ------------------------------------------
[01:06:51] stderr:
[01:06:51] stderr:
[01:06:51] ------------------------------------------
[01:06:51] {"message":"use of unstable library feature 'proc_macro_def_site' (see issue #54724)","code":{"code":"E0658","explanation":"\nAn unstable feature was used.\n\nErroneous code example:\n\n```compile_fail,E658\n#[repr(u128)] // error: use of unstable library feature 'repr128'\nenum Foo {\n    Bar(u64),\n}\n```\n\nIf you're using a stable or a beta version of rustc, you won't be able to use\nany unstable features. In order to do so, please switch to a nightly version of\nrustc (by using rustup).\n\nIf you're using a nightly version of rustc, just add the corresponding feature\nto be able to use it:\n\n```\n#![feature(repr128)]\n\n#[repr(u128)] // ok!\nenum Foo {\n    Bar(u64),\n}\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs","byte_start":763,"byte_end":777,"line_start":22,"line_end":22,"column_start":25,"column_end":39,"is_primary":true,"text":[{"text":"    let mut last_span = Span::def_site();","highlight_start":25,"highlight_end":39}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"add #![feature(proc_macro_def_site)] to the crate attributes to enable","code":null,"level":"help","spans":[],"children":[],"rendered":null}],"rendered":"error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)\n  --> /checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs:22:25\n   |\nLL |     let mut last_span = Span::def_site();\n   |                         ^^^^^^^^^^^^^^\n   |\n   = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable\n\n"}
[01:06:51] {"message":"use of unstable library feature 'proc_macro_def_site' (see issue #54724)","code":{"code":"E0658","explanation":"\nAn unstable feature was used.\n\nErroneous code example:\n\n```compile_fail,E658\n#[repr(u128)] // error: use of unstable library feature 'repr128'\nenum Foo {\n    Bar(u64),\n}\n```\n\nIf you're using a stable or a beta version of rustc, you won't be able to use\nany unstable features. In order to do so, please switch to a nightly version of\nrustc (by using rustup).\n\nIf you're using a nightly version of rustc, just add the corresponding feature\nto be able to use it:\n\n```\n#![feature(repr128)]\n\n#[repr(u128)] // ok!\nenum Foo {\n    Bar(u64),\n}\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs","byte_start":1403,"byte_end":1417,"line_start":42,"line_end":42,"column_start":20,"column_end":34,"is_primary":true,"text":[{"text":"        return Err(Span::def_site()","highlight_start":20,"highlight_end":34}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"add #![feature(proc_macro_def_site)] to the crate attributes to enable","code":null,"level":"help","spans":[],"children":[],"rendered":null}],"rendered":"error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)\n  --> /checkout/src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs:42:20\n   |\nLL |         return Err(Span::def_site()\n   |                    ^^^^^^^^^^^^^^\n   |\n   = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable\n\n"}
[01:06:51] {"message":"aborting due to 2 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 2 previous errors\n\n"}
[01:06:51] {"message":"For more information about this error, try `rustc --explain E0658`.","code":null,"level":"","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0658`.\n"}
[01:06:51] ------------------------------------------
[01:06:51] 
[01:06:51] thread '[ui] ui-fulldeps/proc-macro/three-equals.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3267:9
[01:06:51] 
---
[01:06:51] 
[01:06:51] thread 'main' panicked at 'Some tests failed', tools/compiletest/src/main.rs:499:22
[01:06:51] 
[01:06:51] 
[01:06:51] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui-fulldeps" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui-fulldeps" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-5.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Zunstable-options " "--target-rustcflags" "-Crpath -O -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "5.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
[01:06:51] 
[01:06:51] 
[01:06:51] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
[01:06:51] Build completed unsuccessfully in 0:19:46
[01:06:51] Build completed unsuccessfully in 0:19:46
[01:06:51] Makefile:58: recipe for target 'check' failed
[01:06:51] make: *** [check] Error 1

The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:1687cd8b
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[nikomatsakis]

@bors r+

[bors]

📌 Commit 6152144 has been approved by nikomatsakis

[pietroalbini]

@bors rollup