Dec 14 20:37:19.928 INFO testing semaphore-0.4.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 20:37:19.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 20:37:20.136 INFO [stdout] f3fb62f406b0a98a64b7bfc9d8a2a770597d54810edd1d0254cf8f834f3c0b8e
Dec 14 20:37:20.137 INFO running `"docker" "start" "-a" "f3fb62f406b0a98a64b7bfc9d8a2a770597d54810edd1d0254cf8f834f3c0b8e"`
Dec 14 20:37:20.711 INFO [stderr] usermod: no changes
Dec 14 20:37:20.799 INFO [stderr]    Compiling semaphore v0.4.0 (/source)
Dec 14 20:37:21.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 14 20:37:21.928 INFO [stderr] su: No module specific data is present
Dec 14 20:37:22.432 INFO running `"docker" "inspect" "f3fb62f406b0a98a64b7bfc9d8a2a770597d54810edd1d0254cf8f834f3c0b8e"`
Dec 14 20:37:22.674 INFO running `"docker" "rm" "-f" "f3fb62f406b0a98a64b7bfc9d8a2a770597d54810edd1d0254cf8f834f3c0b8e"`
Dec 14 20:37:22.834 INFO [stdout] f3fb62f406b0a98a64b7bfc9d8a2a770597d54810edd1d0254cf8f834f3c0b8e
Dec 14 20:37:22.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 20:37:23.208 INFO [stdout] 580767b72249491246b1133e4bc5b632f7ad9f3a3ab9d05337a939d1e900cd6d
Dec 14 20:37:23.210 INFO running `"docker" "start" "-a" "580767b72249491246b1133e4bc5b632f7ad9f3a3ab9d05337a939d1e900cd6d"`
Dec 14 20:37:24.535 INFO [stderr] usermod: no changes
Dec 14 20:37:24.595 INFO [stderr]    Compiling semaphore v0.4.0 (/source)
Dec 14 20:37:26.470 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Dec 14 20:37:26.471 INFO [stderr] su: No module specific data is present
Dec 14 20:37:27.082 INFO running `"docker" "inspect" "580767b72249491246b1133e4bc5b632f7ad9f3a3ab9d05337a939d1e900cd6d"`
Dec 14 20:37:27.271 INFO running `"docker" "rm" "-f" "580767b72249491246b1133e4bc5b632f7ad9f3a3ab9d05337a939d1e900cd6d"`
Dec 14 20:37:27.449 INFO [stdout] 580767b72249491246b1133e4bc5b632f7ad9f3a3ab9d05337a939d1e900cd6d
Dec 14 20:37:27.452 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 20:37:27.847 INFO [stdout] cab8c928bd83441afec3e7bc7b6850dab25005a041d4d68aceab236a24d010c5
Dec 14 20:37:27.849 INFO running `"docker" "start" "-a" "cab8c928bd83441afec3e7bc7b6850dab25005a041d4d68aceab236a24d010c5"`
Dec 14 20:37:28.738 INFO [stderr] usermod: no changes
Dec 14 20:37:28.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 20:37:28.855 INFO [stderr]      Running /target/debug/deps/semaphore-2d5e79cc76bf2e21
Dec 14 20:37:28.863 INFO [stdout] 
Dec 14 20:37:28.863 INFO [stdout] running 7 tests
Dec 14 20:37:28.863 INFO [stdout] test tests::succeeds_to_acquire_when_empty ... ok
Dec 14 20:37:28.863 INFO [stdout] test tests::shutdown_complete_when_guard_drops ... ok
Dec 14 20:37:28.863 INFO [stdout] test tests::shutdown_complete_when_empty ... ok
Dec 14 20:37:28.863 INFO [stdout] test tests::fails_to_acquire_when_shut_down ... ok
Dec 14 20:37:28.863 INFO [stdout] test tests::fails_to_acquire_when_full ... ok
Dec 14 20:37:28.863 INFO [stdout] test tests::dropping_guard_frees_capacity ... ok
Dec 14 20:37:28.869 INFO [stdout] test tests::first_shutdown_can_extract_resource ... ok
Dec 14 20:37:28.869 INFO [stdout] 
Dec 14 20:37:28.869 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:37:28.869 INFO [stdout] 
Dec 14 20:37:28.871 INFO [stderr]    Doc-tests semaphore
Dec 14 20:37:30.723 INFO [stdout] 
Dec 14 20:37:30.723 INFO [stdout] running 0 tests
Dec 14 20:37:30.723 INFO [stdout] 
Dec 14 20:37:30.723 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:37:30.723 INFO [stdout] 
Dec 14 20:37:30.732 INFO [stderr] su: No module specific data is present
Dec 14 20:37:31.776 INFO running `"docker" "inspect" "cab8c928bd83441afec3e7bc7b6850dab25005a041d4d68aceab236a24d010c5"`
Dec 14 20:37:32.061 INFO running `"docker" "rm" "-f" "cab8c928bd83441afec3e7bc7b6850dab25005a041d4d68aceab236a24d010c5"`
Dec 14 20:37:32.376 INFO [stdout] cab8c928bd83441afec3e7bc7b6850dab25005a041d4d68aceab236a24d010c5