[INFO] fetching crate one-shot-mutex 0.2.1...
[INFO] testing one-shot-mutex-0.2.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate one-shot-mutex 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate one-shot-mutex 0.2.1
[INFO] finished tweaking crates.io crate one-shot-mutex 0.2.1
[INFO] tweaked toml for crates.io crate one-shot-mutex 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate one-shot-mutex 0.2.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate one-shot-mutex 0.2.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7655cc02a0dbc34f3106206bf50dd31807ccfd0e4f135272b12ae640f5d96939
[INFO] running `Command { std: "docker" "start" "-a" "7655cc02a0dbc34f3106206bf50dd31807ccfd0e4f135272b12ae640f5d96939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7655cc02a0dbc34f3106206bf50dd31807ccfd0e4f135272b12ae640f5d96939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7655cc02a0dbc34f3106206bf50dd31807ccfd0e4f135272b12ae640f5d96939", kill_on_drop: false }`
[INFO] [stdout] 7655cc02a0dbc34f3106206bf50dd31807ccfd0e4f135272b12ae640f5d96939
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df22437f6a130b0a6b2fef095edf525946ea4d9ae6a8ae319baf9a1915cf3d4
[INFO] running `Command { std: "docker" "start" "-a" "5df22437f6a130b0a6b2fef095edf525946ea4d9ae6a8ae319baf9a1915cf3d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling one-shot-mutex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "5df22437f6a130b0a6b2fef095edf525946ea4d9ae6a8ae319baf9a1915cf3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df22437f6a130b0a6b2fef095edf525946ea4d9ae6a8ae319baf9a1915cf3d4", kill_on_drop: false }`
[INFO] [stdout] 5df22437f6a130b0a6b2fef095edf525946ea4d9ae6a8ae319baf9a1915cf3d4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90dc7ca51b520c8a5de4619a6da1627964e08365318acd638440d4ef180e8bd1
[INFO] running `Command { std: "docker" "start" "-a" "90dc7ca51b520c8a5de4619a6da1627964e08365318acd638440d4ef180e8bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling one-shot-mutex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "90dc7ca51b520c8a5de4619a6da1627964e08365318acd638440d4ef180e8bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dc7ca51b520c8a5de4619a6da1627964e08365318acd638440d4ef180e8bd1", kill_on_drop: false }`
[INFO] [stdout] 90dc7ca51b520c8a5de4619a6da1627964e08365318acd638440d4ef180e8bd1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f414a170af490341e961515532b6d613e5e03e691c809034d64ab96de8e6c133
[INFO] running `Command { std: "docker" "start" "-a" "f414a170af490341e961515532b6d613e5e03e691c809034d64ab96de8e6c133", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/one_shot_mutex-e6e0d277ad529531)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test sync::mutex::tests::try_lock ... ok
[INFO] [stdout] test sync::mutex::tests::lock ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_shared ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_exclusive ... ok
[INFO] [stdout] test sync::rwlock::tests::try_lock_shared ... ok
[INFO] [stdout] test unsync::mutex::tests::lock ... ok
[INFO] [stdout] test sync::rwlock::tests::try_lock_exclusive ... ok
[INFO] [stdout] test sync::rwlock::tests::try_lock_upgradable ... ok
[INFO] [stdout] test unsync::mutex::tests::try_lock ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_exclusive ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_shared ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_upgradable ... ok
[INFO] [stdout] test unsync::rwlock::tests::try_lock_exclusive ... ok
[INFO] [stdout] test unsync::rwlock::tests::try_lock_shared ... ok
[INFO] [stdout] test unsync::rwlock::tests::try_lock_upgradable ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_upgradable ... ok
[INFO] [stdout] test sync::mutex::tests::lock_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_exclusive_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_exclusive_shared_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_shared_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_upgradable_panic - should panic ... ok
[INFO] [stdout] test unsync::mutex::tests::lock_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::lock_upgradable_write_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_exclusive_shared_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_exclusive_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_upgradable_write_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_shared_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::lock_upgradable_panic - should panic ... ok
[INFO] [stdout] test sync::rwlock::tests::upgrade_panic - should panic ... ok
[INFO] [stdout] test unsync::rwlock::tests::upgrade_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests one_shot_mutex
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/unsync/rwlock.rs - unsync::rwlock::RawOneShotRwLock (line 24) ... ok
[INFO] [stdout] test src/sync/mutex.rs - sync::mutex::RawOneShotMutex (line 17) ... ok
[INFO] [stdout] test src/unsync/mutex.rs - unsync::mutex::RawOneShotMutex (line 20) ... ok
[INFO] [stdout] test src/sync/rwlock.rs - sync::rwlock::RawOneShotRwLock (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f414a170af490341e961515532b6d613e5e03e691c809034d64ab96de8e6c133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f414a170af490341e961515532b6d613e5e03e691c809034d64ab96de8e6c133", kill_on_drop: false }`
[INFO] [stdout] f414a170af490341e961515532b6d613e5e03e691c809034d64ab96de8e6c133