[INFO] fetching crate mutex-extra 0.9.9...
[INFO] testing mutex-extra-0.9.9 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mutex-extra 0.9.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mutex-extra 0.9.9 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutex-extra 0.9.9
[INFO] finished tweaking crates.io crate mutex-extra 0.9.9
[INFO] tweaked toml for crates.io crate mutex-extra 0.9.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f762ce4c6f405200d37ac46dffe1b015c5cdaca9d66399fc0cbcd860e70403
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56f762ce4c6f405200d37ac46dffe1b015c5cdaca9d66399fc0cbcd860e70403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f762ce4c6f405200d37ac46dffe1b015c5cdaca9d66399fc0cbcd860e70403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f762ce4c6f405200d37ac46dffe1b015c5cdaca9d66399fc0cbcd860e70403", kill_on_drop: false }`
[INFO] [stdout] 56f762ce4c6f405200d37ac46dffe1b015c5cdaca9d66399fc0cbcd860e70403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c397498cd4a105fbe8480ef64ec25a1809c778338f5ffb2fe39febe074dc4694
[INFO] running `Command { std: "docker" "start" "-a" "c397498cd4a105fbe8480ef64ec25a1809c778338f5ffb2fe39febe074dc4694", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mutex-extra v0.9.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "c397498cd4a105fbe8480ef64ec25a1809c778338f5ffb2fe39febe074dc4694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c397498cd4a105fbe8480ef64ec25a1809c778338f5ffb2fe39febe074dc4694", kill_on_drop: false }`
[INFO] [stdout] c397498cd4a105fbe8480ef64ec25a1809c778338f5ffb2fe39febe074dc4694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f249147967c802c9f9fc43888228199e9da237658d35d4b908def4ab14de1ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f249147967c802c9f9fc43888228199e9da237658d35d4b908def4ab14de1ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex-extra v0.9.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "5f249147967c802c9f9fc43888228199e9da237658d35d4b908def4ab14de1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f249147967c802c9f9fc43888228199e9da237658d35d4b908def4ab14de1ef", kill_on_drop: false }`
[INFO] [stdout] 5f249147967c802c9f9fc43888228199e9da237658d35d4b908def4ab14de1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2516f70d23ec4962a9fcbfda6c32ffc26fc4a9ca2a37c905f31fc4d1d54122e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2516f70d23ec4962a9fcbfda6c32ffc26fc4a9ca2a37c905f31fc4d1d54122e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ref_mutex-69fd4c13c7a0ff02)
[INFO] [stdout] test tests::test_sync_guard ... ok
[INFO] [stderr]    Doc-tests ref_mutex
[INFO] [stdout] test tests2::test_sync_guard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RefMutex::into_inner (line 320) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::new (line 165) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::unlock (line 269) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::get_mut (line 344) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::lock (line 200) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::is_poisoned (line 292) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::try_lock (line 240) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2516f70d23ec4962a9fcbfda6c32ffc26fc4a9ca2a37c905f31fc4d1d54122e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2516f70d23ec4962a9fcbfda6c32ffc26fc4a9ca2a37c905f31fc4d1d54122e", kill_on_drop: false }`
[INFO] [stdout] e2516f70d23ec4962a9fcbfda6c32ffc26fc4a9ca2a37c905f31fc4d1d54122e