[INFO] crate specialize 0.0.3 is already in cache
[INFO] extracting crate specialize 0.0.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/specialize/0.0.3
[INFO] extracting crate specialize 0.0.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/specialize/0.0.3
[INFO] validating manifest of specialize-0.0.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of specialize-0.0.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing specialize-0.0.3
[INFO] finished frobbing specialize-0.0.3
[INFO] frobbed toml for specialize-0.0.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/specialize/0.0.3/Cargo.toml
[INFO] started frobbing specialize-0.0.3
[INFO] finished frobbing specialize-0.0.3
[INFO] frobbed toml for specialize-0.0.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/specialize/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing specialize-0.0.3 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/specialize/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 058572eff6cbd645afb5bb6d2c18562f334ac62fd6aade438d0ff451e1d670e5
[INFO] running `"docker" "start" "-a" "058572eff6cbd645afb5bb6d2c18562f334ac62fd6aade438d0ff451e1d670e5"`
[INFO] [stderr]    Compiling specialize v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "058572eff6cbd645afb5bb6d2c18562f334ac62fd6aade438d0ff451e1d670e5"`
[INFO] running `"docker" "rm" "-f" "058572eff6cbd645afb5bb6d2c18562f334ac62fd6aade438d0ff451e1d670e5"`
[INFO] [stdout] 058572eff6cbd645afb5bb6d2c18562f334ac62fd6aade438d0ff451e1d670e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/specialize/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 02a79ab3a8d8a29ed4d82ae90e206a2c028e1857e9f05f9a141db6549e260e3c
[INFO] running `"docker" "start" "-a" "02a79ab3a8d8a29ed4d82ae90e206a2c028e1857e9f05f9a141db6549e260e3c"`
[INFO] [stderr]    Compiling specialize v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]    --> src/lib.rs:594:65
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
[INFO] [stderr]     |                                                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(patterns_in_fns_without_body)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/lib.rs:594:69
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
[INFO] [stderr]     |                                                                     ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:594:65
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
[INFO] [stderr]     |                                                                 ----^
[INFO] [stderr]     |                                                                 |
[INFO] [stderr]     |                                                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "02a79ab3a8d8a29ed4d82ae90e206a2c028e1857e9f05f9a141db6549e260e3c"`
[INFO] running `"docker" "rm" "-f" "02a79ab3a8d8a29ed4d82ae90e206a2c028e1857e9f05f9a141db6549e260e3c"`
[INFO] [stdout] 02a79ab3a8d8a29ed4d82ae90e206a2c028e1857e9f05f9a141db6549e260e3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/specialize/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 058ef5fcaaa9ed6b86093f96c2b9a49afe2e9427e910e55bce4b4930f99fa4d8
[INFO] running `"docker" "start" "-a" "058ef5fcaaa9ed6b86093f96c2b9a49afe2e9427e910e55bce4b4930f99fa4d8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specialize-ba3afa4a563ac357
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::fn_bounds ... ok
[INFO] [stdout] test test::constrain_ref ... ok
[INFO] [stdout] test test::constrain_mut ... ok
[INFO] [stdout] test test::constrain_eq_value ... ok
[INFO] [stdout] test test::constrain_eq ... ok
[INFO] [stdout] test test::by_value ... ok
[INFO] [stdout] test test::by_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests specialize
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs -  (line 68) ... ok
[INFO] [stdout] test src/lib.rs -  (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "058ef5fcaaa9ed6b86093f96c2b9a49afe2e9427e910e55bce4b4930f99fa4d8"`
[INFO] running `"docker" "rm" "-f" "058ef5fcaaa9ed6b86093f96c2b9a49afe2e9427e910e55bce4b4930f99fa4d8"`
[INFO] [stdout] 058ef5fcaaa9ed6b86093f96c2b9a49afe2e9427e910e55bce4b4930f99fa4d8