[INFO] fetching crate split_by_discriminant_macros 0.1.6...
[INFO] testing split_by_discriminant_macros-0.1.6 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate split_by_discriminant_macros 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate split_by_discriminant_macros 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate split_by_discriminant_macros 0.1.6
[INFO] tweaked toml for crates.io crate split_by_discriminant_macros 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate split_by_discriminant_macros 0.1.6 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate split_by_discriminant_macros 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded split_by_discriminant v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d971d6c068b29dc6bf62bc0d6196cfae61d030d1095b40a620ad72f8210e5a
[INFO] running `Command { std: "docker" "start" "-a" "37d971d6c068b29dc6bf62bc0d6196cfae61d030d1095b40a620ad72f8210e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d971d6c068b29dc6bf62bc0d6196cfae61d030d1095b40a620ad72f8210e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d971d6c068b29dc6bf62bc0d6196cfae61d030d1095b40a620ad72f8210e5a", kill_on_drop: false }`
[INFO] [stdout] 37d971d6c068b29dc6bf62bc0d6196cfae61d030d1095b40a620ad72f8210e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d04d7680a4f653a453be222d500c5ae35e682ebe1f6cefe7aa77c034ad6e2d
[INFO] running `Command { std: "docker" "start" "-a" "b9d04d7680a4f653a453be222d500c5ae35e682ebe1f6cefe7aa77c034ad6e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling split_by_discriminant v0.5.6
[INFO] [stderr]    Compiling split_by_discriminant_macros v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "b9d04d7680a4f653a453be222d500c5ae35e682ebe1f6cefe7aa77c034ad6e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d04d7680a4f653a453be222d500c5ae35e682ebe1f6cefe7aa77c034ad6e2d", kill_on_drop: false }`
[INFO] [stdout] b9d04d7680a4f653a453be222d500c5ae35e682ebe1f6cefe7aa77c034ad6e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787cf42cb2001a46fee0b2fffb52244a8868f972d1a2beae82a00f3a07dd8bf2
[INFO] running `Command { std: "docker" "start" "-a" "787cf42cb2001a46fee0b2fffb52244a8868f972d1a2beae82a00f3a07dd8bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling split_by_discriminant v0.5.6
[INFO] [stderr]    Compiling split_by_discriminant_macros v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `Command { std: "docker" "inspect" "787cf42cb2001a46fee0b2fffb52244a8868f972d1a2beae82a00f3a07dd8bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787cf42cb2001a46fee0b2fffb52244a8868f972d1a2beae82a00f3a07dd8bf2", kill_on_drop: false }`
[INFO] [stdout] 787cf42cb2001a46fee0b2fffb52244a8868f972d1a2beae82a00f3a07dd8bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6902bf828dcc101a73b288a895d430ece0581fd0644115520920d235b66ac8f
[INFO] running `Command { std: "docker" "start" "-a" "d6902bf828dcc101a73b288a895d430ece0581fd0644115520920d235b66ac8f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/split_by_discriminant_macros-70f80402282fa56f)
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-a147a8cd4b5c1fe0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test derive_extract_from_custom_extractor_name ... ok
[INFO] [stdout] test derive_extract_from_formatted_enum_extractor_name ... ok
[INFO] [stdout] test derive_extract_from_formatted_extractor_name ... ok
[INFO] [stdout] test derive_extract_from_multi_field ... ok
[INFO] [stdout] test derive_extract_from_global_selector_format ... ok
[INFO] [stdout] test derive_extract_from_multiple_variants ... ok
[INFO] [stdout] test derive_extract_from_single_variant ... ok
[INFO] [stdout] test derive_extract_from_skip_empty_flag ... ok
[INFO] [stdout] test derive_extract_from_variant_selector_override ... ok
[INFO] [stdout] test proc_macro_make_extractor_auto_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests split_by_discriminant_macros
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/../README.md - (line 100) ... FAILED
[INFO] [stdout] test src/../README.md - (line 84) ... FAILED
[INFO] [stdout] test src/../README.md - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 100) stdout ----
[INFO] [stdout] error: expected `=`
[INFO] [stdout]    --> src/../README.md:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | make_extractor!(MyExtractorWrapper, MyExtractor);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `make_extractor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/../README.md:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl split_by_discriminant::VariantExtractFrom<E, i32> for MyExtractor {
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl split_by_discriminant::VariantExtractFrom<Eq, i32> for MyExtractor {
[INFO] [stdout]     |                                                 +
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl<E> split_by_discriminant::VariantExtractFrom<E, i32> for MyExtractor {
[INFO] [stdout]     |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/../README.md:106:46
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn extract_from<'a>(&self, item: &'a mut E) -> Option<&'a mut i32> { /* ... */ }
[INFO] [stdout]     |                                              ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn extract_from<'a>(&self, item: &'a mut Eq) -> Option<&'a mut i32> { /* ... */ }
[INFO] [stdout]     |                                               +
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/../README.md:106:52
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn extract_from<'a>(&self, item: &'a mut E) -> Option<&'a mut i32> { /* ... */ }
[INFO] [stdout]     |        ------------                                ^^^^^^^^^^^^^^^^^^^ expected `Option<&mut i32>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<&'a mut i32>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 84) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]   --> src/../README.md:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     enum E { A(i32), B(String), C }
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/cmp.rs:338:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 89 |     enum Eq { A(i32), B(String), C }
[INFO] [stdout]    |           +
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `E` in this scope
[INFO] [stdout]   --> src/../README.md:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     enum E { A(i32), B(String), C }
[INFO] [stdout]    |          ^ use of undeclared type `E`
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 89 |     enum Eq { A(i32), B(String), C }
[INFO] [stdout]    |           +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 100)
[INFO] [stdout]     src/../README.md - (line 84)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.89s; merged doctests compilation took 0.29s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d6902bf828dcc101a73b288a895d430ece0581fd0644115520920d235b66ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6902bf828dcc101a73b288a895d430ece0581fd0644115520920d235b66ac8f", kill_on_drop: false }`
[INFO] [stdout] d6902bf828dcc101a73b288a895d430ece0581fd0644115520920d235b66ac8f
