[INFO] fetching crate futures-locks 0.6.0...
[INFO] testing futures-locks-0.6.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate futures-locks 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-locks 0.6.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-locks 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate futures-locks 0.6.0
[INFO] tweaked toml for crates.io crate futures-locks 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.4.3
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a9fe4a391273089a5024f6852fb7f08af2eb7db3bf21f434e8d050805077050
[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" "6a9fe4a391273089a5024f6852fb7f08af2eb7db3bf21f434e8d050805077050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a9fe4a391273089a5024f6852fb7f08af2eb7db3bf21f434e8d050805077050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9fe4a391273089a5024f6852fb7f08af2eb7db3bf21f434e8d050805077050", kill_on_drop: false }`
[INFO] [stdout] 6a9fe4a391273089a5024f6852fb7f08af2eb7db3bf21f434e8d050805077050
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] b14cf0a7f9592506f235d16651f610d5a5ca54d8d00238ad22fab67969d79d48
[INFO] running `Command { std: "docker" "start" "-a" "b14cf0a7f9592506f235d16651f610d5a5ca54d8d00238ad22fab67969d79d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling futures-locks v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.91s
[INFO] running `Command { std: "docker" "inspect" "b14cf0a7f9592506f235d16651f610d5a5ca54d8d00238ad22fab67969d79d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14cf0a7f9592506f235d16651f610d5a5ca54d8d00238ad22fab67969d79d48", kill_on_drop: false }`
[INFO] [stdout] b14cf0a7f9592506f235d16651f610d5a5ca54d8d00238ad22fab67969d79d48
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 708f965081d5e881a86b5b3d309d2f7d9cea98cdeea6fc35be8167818dbf7ec4
[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" "708f965081d5e881a86b5b3d309d2f7d9cea98cdeea6fc35be8167818dbf7ec4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling futures-locks v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "708f965081d5e881a86b5b3d309d2f7d9cea98cdeea6fc35be8167818dbf7ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708f965081d5e881a86b5b3d309d2f7d9cea98cdeea6fc35be8167818dbf7ec4", kill_on_drop: false }`
[INFO] [stdout] 708f965081d5e881a86b5b3d309d2f7d9cea98cdeea6fc35be8167818dbf7ec4
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e953cf2365fd1673af6391030b2667bc52f399d3f1e713393901efae4399fcb5
[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" "e953cf2365fd1673af6391030b2667bc52f399d3f1e713393901efae4399fcb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_locks-e67f589037d69311)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mutex::t::debug ... ok
[INFO] [stdout] test rwlock::t::debug ... ok
[INFO] [stdout] test rwlock::t::test_default ... ok
[INFO] [stdout] test mutex::t::test_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/functional-7b85bf521410fe99)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test mutex::get_mut_cloned ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_true ... ok
[INFO] [stdout] test mutex::mutex_weak_none ... ok
[INFO] [stdout] test mutex::get_mut ... ok
[INFO] [stdout] test mutex::lock_order ... ok
[INFO] [stdout] test mutex::mutex_weak_some ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_false ... ok
[INFO] [stdout] test mutex::lock_contested ... ok
[INFO] [stdout] test mutex::lock_uncontested ... ok
[INFO] [stdout] test mutex::try_lock_contested ... ok
[INFO] [stdout] test mutex::drop_when_ready ... ok
[INFO] [stdout] test mutex::try_lock_uncontested ... ok
[INFO] [stdout] test mutex::lock_multithreaded ... ok
[INFO] [stdout] test mutex::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test mutex::drop_before_ready ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_poll_returns_ready ... ok
[INFO] [stdout] test rwlock::get_mut_cloned ... ok
[INFO] [stdout] test rwlock::read_uncontested ... ok
[INFO] [stdout] test rwlock::read_shared ... ok
[INFO] [stdout] test rwlock::try_write_uncontested ... ok
[INFO] [stdout] test mutex::with_local_ok ... ok
[INFO] [stdout] test rwlock::drop_shared_before_ready ... ok
[INFO] [stdout] test rwlock::read_write_contested ... ok
[INFO] [stdout] test rwlock::with_read_local_ok ... ok
[INFO] [stdout] test rwlock::try_read_uncontested ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_ready_2 ... ok
[INFO] [stdout] test rwlock::drop_shared_before_poll_returns_ready ... ok
[INFO] [stdout] test rwlock::get_mut ... ok
[INFO] [stdout] test rwlock::try_write_contested ... ok
[INFO] [stdout] test rwlock::try_read_contested ... ok
[INFO] [stdout] test rwlock::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test rwlock::write_read_contested ... ok
[INFO] [stdout] test mutex::with_err ... ok
[INFO] [stdout] test rwlock::with_write_ok ... ok
[INFO] [stdout] test rwlock::write_order ... ok
[INFO] [stdout] test rwlock::write_uncontested ... ok
[INFO] [stdout] test rwlock::write_contested ... ok
[INFO] [stdout] test rwlock::multithreaded ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_ready ... ok
[INFO] [stdout] test rwlock::with_read_threadpool ... ok
[INFO] [stdout] test rwlock::with_write_local_ok ... ok
[INFO] [stdout] test rwlock::with_read_err ... ok
[INFO] [stdout] test rwlock::with_write_err ... ok
[INFO] [stdout] test mutex::with_threadpool ... ok
[INFO] [stdout] test mutex::with_ok ... ok
[INFO] [stderr]    Doc-tests futures-locks
[INFO] [stdout] test rwlock::with_read_ok ... ok
[INFO] [stdout] test rwlock::with_write_threadpool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 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 futures_locks --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-9fe82132aca3dc8b.rlib --extern futures_locks=/opt/rustwide/target/debug/deps/libfutures_locks-af4e0f4af0fd9cb3.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-669f24ce902124d2.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-879f57118cac95d8.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="tokio"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e953cf2365fd1673af6391030b2667bc52f399d3f1e713393901efae4399fcb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e953cf2365fd1673af6391030b2667bc52f399d3f1e713393901efae4399fcb5", kill_on_drop: false }`
[INFO] [stdout] e953cf2365fd1673af6391030b2667bc52f399d3f1e713393901efae4399fcb5