[INFO] fetching crate fast-async-mutex 0.6.7...
[INFO] testing fast-async-mutex-0.6.7 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fast-async-mutex 0.6.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fast-async-mutex 0.6.7 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-async-mutex 0.6.7
[INFO] finished tweaking crates.io crate fast-async-mutex 0.6.7
[INFO] tweaked toml for crates.io crate fast-async-mutex 0.6.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 965638f4664201d7f9c200d89b5b15bc8afd1f5c21ed63b615c5c0b8b20987a8
[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" "965638f4664201d7f9c200d89b5b15bc8afd1f5c21ed63b615c5c0b8b20987a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965638f4664201d7f9c200d89b5b15bc8afd1f5c21ed63b615c5c0b8b20987a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965638f4664201d7f9c200d89b5b15bc8afd1f5c21ed63b615c5c0b8b20987a8", kill_on_drop: false }`
[INFO] [stdout] 965638f4664201d7f9c200d89b5b15bc8afd1f5c21ed63b615c5c0b8b20987a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4bd64b7257bd7d48efc03095bdca2054ded039290dd00cc5e561dcaca5848a
[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" "ca4bd64b7257bd7d48efc03095bdca2054ded039290dd00cc5e561dcaca5848a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-async-mutex v0.6.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ca4bd64b7257bd7d48efc03095bdca2054ded039290dd00cc5e561dcaca5848a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4bd64b7257bd7d48efc03095bdca2054ded039290dd00cc5e561dcaca5848a", kill_on_drop: false }`
[INFO] [stdout] ca4bd64b7257bd7d48efc03095bdca2054ded039290dd00cc5e561dcaca5848a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a9b1d49e03451fa160d5b0472d299655ab2884baf81557c0fb107fc5acf3830
[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" "1a9b1d49e03451fa160d5b0472d299655ab2884baf81557c0fb107fc5acf3830", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling fast-async-mutex v0.6.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.58s
[INFO] running `Command { std: "docker" "inspect" "1a9b1d49e03451fa160d5b0472d299655ab2884baf81557c0fb107fc5acf3830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9b1d49e03451fa160d5b0472d299655ab2884baf81557c0fb107fc5acf3830", kill_on_drop: false }`
[INFO] [stdout] 1a9b1d49e03451fa160d5b0472d299655ab2884baf81557c0fb107fc5acf3830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b592ccedc7a70eb34328f50e03426c7fb9dadd102dd5066751ee609a0bcb325
[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" "9b592ccedc7a70eb34328f50e03426c7fb9dadd102dd5066751ee609a0bcb325", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_async_mutex-475760b7f9502fb8)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test mutex_ordered::tests::test_timeout ... ok
[INFO] [stdout] test mutex_ordered::tests::test_overflow ... ok
[INFO] [stdout] test mutex::tests::test_timeout ... ok
[INFO] [stdout] test rwlock::tests::test_concurrent_reading_writing ... ok
[INFO] [stdout] test mutex::tests::multithreading_test ... ok
[INFO] [stdout] test mutex_ordered::tests::test_container ... ok
[INFO] [stdout] test mutex_ordered::tests::multithreading_test ... ok
[INFO] [stdout] test mutex::tests::test_container ... ok
[INFO] [stdout] test rwlock::tests::multithreading_test ... ok
[INFO] [stdout] test rwlock::tests::test_container ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_container ... ok
[INFO] [stdout] test rwlock::tests::test_timeout ... ok
[INFO] [stdout] test mutex_ordered::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::multithreading_test ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_concurrent_reading_writing ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_concurrent_reading ... ok
[INFO] [stdout] test rwlock::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_overflow ... ok
[INFO] [stdout] test rwlock::tests::test_concurrent_reading ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_timeout ... ok
[INFO] [stdout] test mutex_ordered::tests::test_mutex ... ok
[INFO] [stdout] test rwlock::tests::test_mutex ... ok
[INFO] [stdout] test mutex::tests::test_owned_mutex ... ok
[INFO] [stdout] test mutex::tests::test_mutex ... ok
[INFO] [stdout] test mutex::tests::test_mutex_delay ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_mutex_delay ... ok
[INFO] [stdout] test rwlock::tests::test_mutex_delay ... ok
[INFO] [stderr]    Doc-tests fast-async-mutex
[INFO] [stdout] test mutex_ordered::tests::test_mutex_delay ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.38s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fast_async_mutex --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fast_async_mutex=/opt/rustwide/target/debug/deps/libfast_async_mutex-3100b72e8027d016.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-9fe82132aca3dc8b.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6cfa49518afedfa9.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9b592ccedc7a70eb34328f50e03426c7fb9dadd102dd5066751ee609a0bcb325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b592ccedc7a70eb34328f50e03426c7fb9dadd102dd5066751ee609a0bcb325", kill_on_drop: false }`
[INFO] [stdout] 9b592ccedc7a70eb34328f50e03426c7fb9dadd102dd5066751ee609a0bcb325