Dec 14 18:55:36.576 INFO testing specialize-0.0.3 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 18:55:36.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 18:55:37.040 INFO [stdout] 18a7c7c07f10ba2694648d9af6cc4d1c35bc28613d754a3b20d0f84b3d45e9c2
Dec 14 18:55:37.044 INFO running `"docker" "start" "-a" "18a7c7c07f10ba2694648d9af6cc4d1c35bc28613d754a3b20d0f84b3d45e9c2"`
Dec 14 18:55:38.214 INFO [stderr] usermod: no changes
Dec 14 18:55:38.259 INFO [stderr]    Compiling specialize v0.0.3 (/source)
Dec 14 18:55:38.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 14 18:55:38.842 INFO [stderr] su: No module specific data is present
Dec 14 18:55:39.292 INFO running `"docker" "inspect" "18a7c7c07f10ba2694648d9af6cc4d1c35bc28613d754a3b20d0f84b3d45e9c2"`
Dec 14 18:55:39.493 INFO running `"docker" "rm" "-f" "18a7c7c07f10ba2694648d9af6cc4d1c35bc28613d754a3b20d0f84b3d45e9c2"`
Dec 14 18:55:39.663 INFO [stdout] 18a7c7c07f10ba2694648d9af6cc4d1c35bc28613d754a3b20d0f84b3d45e9c2
Dec 14 18:55:39.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 18:55:39.935 INFO [stdout] d22cc0bea01418f4a0a559fc5b1da298a8ccf5b92d73f685c5afbb8b1aa94954
Dec 14 18:55:39.935 INFO running `"docker" "start" "-a" "d22cc0bea01418f4a0a559fc5b1da298a8ccf5b92d73f685c5afbb8b1aa94954"`
Dec 14 18:55:40.798 INFO [stderr] usermod: no changes
Dec 14 18:55:40.849 INFO [stderr]    Compiling specialize v0.0.3 (/source)
Dec 14 18:55:41.471 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 14 18:55:41.471 INFO [stderr]    --> src/lib.rs:594:65
Dec 14 18:55:41.471 INFO [stderr]     |
Dec 14 18:55:41.471 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 14 18:55:41.471 INFO [stderr]     |                                                                 ^^^^^
Dec 14 18:55:41.471 INFO [stderr]     |
Dec 14 18:55:41.471 INFO [stderr]     = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 14 18:55:41.471 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!
Dec 14 18:55:41.471 INFO [stderr]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 14 18:55:41.471 INFO [stderr] 
Dec 14 18:55:41.550 INFO [stderr] warning: unused variable: `w`
Dec 14 18:55:41.550 INFO [stderr]    --> src/lib.rs:594:69
Dec 14 18:55:41.550 INFO [stderr]     |
Dec 14 18:55:41.550 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 14 18:55:41.551 INFO [stderr]     |                                                                     ^ help: consider using `_w` instead
Dec 14 18:55:41.551 INFO [stderr]     |
Dec 14 18:55:41.559 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 18:55:41.559 INFO [stderr] 
Dec 14 18:55:41.559 INFO [stderr] warning: variable does not need to be mutable
Dec 14 18:55:41.559 INFO [stderr]    --> src/lib.rs:594:65
Dec 14 18:55:41.559 INFO [stderr]     |
Dec 14 18:55:41.559 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 14 18:55:41.559 INFO [stderr]     |                                                                 ----^
Dec 14 18:55:41.559 INFO [stderr]     |                                                                 |
Dec 14 18:55:41.559 INFO [stderr]     |                                                                 help: remove this `mut`
Dec 14 18:55:41.559 INFO [stderr]     |
Dec 14 18:55:41.559 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 18:55:41.559 INFO [stderr] 
Dec 14 18:55:42.231 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 14 18:55:42.238 INFO [stderr] su: No module specific data is present
Dec 14 18:55:43.055 INFO running `"docker" "inspect" "d22cc0bea01418f4a0a559fc5b1da298a8ccf5b92d73f685c5afbb8b1aa94954"`
Dec 14 18:55:43.423 INFO running `"docker" "rm" "-f" "d22cc0bea01418f4a0a559fc5b1da298a8ccf5b92d73f685c5afbb8b1aa94954"`
Dec 14 18:55:43.762 INFO [stdout] d22cc0bea01418f4a0a559fc5b1da298a8ccf5b92d73f685c5afbb8b1aa94954
Dec 14 18:55:43.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 18:55:44.159 INFO [stdout] 98c09e0872e03ec97410625d0fb6956082158d6dd73e530364c1326171f8c81a
Dec 14 18:55:44.161 INFO running `"docker" "start" "-a" "98c09e0872e03ec97410625d0fb6956082158d6dd73e530364c1326171f8c81a"`
Dec 14 18:55:45.347 INFO [stderr] usermod: no changes
Dec 14 18:55:45.405 INFO [stdout] 
Dec 14 18:55:45.405 INFO [stdout] running 7 tests
Dec 14 18:55:45.405 INFO [stdout] test test::fn_bounds ... ok
Dec 14 18:55:45.405 INFO [stdout] test test::constrain_ref ... ok
Dec 14 18:55:45.405 INFO [stdout] test test::constrain_mut ... ok
Dec 14 18:55:45.405 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 18:55:45.405 INFO [stderr]      Running /target/debug/deps/specialize-48f09d827cec4588
Dec 14 18:55:45.411 INFO [stdout] test test::by_type ... ok
Dec 14 18:55:45.411 INFO [stdout] test test::constrain_eq ... ok
Dec 14 18:55:45.411 INFO [stdout] test test::by_value ... ok
Dec 14 18:55:45.411 INFO [stdout] test test::constrain_eq_value ... ok
Dec 14 18:55:45.411 INFO [stdout] 
Dec 14 18:55:45.411 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 18:55:45.411 INFO [stdout] 
Dec 14 18:55:45.415 INFO [stderr]    Doc-tests specialize
Dec 14 18:55:46.361 INFO [stdout] 
Dec 14 18:55:46.361 INFO [stdout] running 3 tests
Dec 14 18:55:48.699 INFO [stdout] test src/lib.rs -  (line 68) ... ok
Dec 14 18:55:49.135 INFO [stdout] test src/lib.rs -  (line 48) ... ok
Dec 14 18:55:49.218 INFO [stdout] test src/lib.rs -  (line 13) ... ok
Dec 14 18:55:49.224 INFO [stdout] 
Dec 14 18:55:49.224 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 18:55:49.224 INFO [stdout] 
Dec 14 18:55:49.239 INFO [stderr] su: No module specific data is present
Dec 14 18:55:50.345 INFO running `"docker" "inspect" "98c09e0872e03ec97410625d0fb6956082158d6dd73e530364c1326171f8c81a"`
Dec 14 18:55:50.613 INFO running `"docker" "rm" "-f" "98c09e0872e03ec97410625d0fb6956082158d6dd73e530364c1326171f8c81a"`
Dec 14 18:55:50.891 INFO [stdout] 98c09e0872e03ec97410625d0fb6956082158d6dd73e530364c1326171f8c81a