[INFO] fetching crate futures-locks 0.6.0...
[INFO] testing futures-locks-0.6.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate futures-locks 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-locks 0.6.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 05d54afaf2e4ec083819a726409193c19973683eb548230b71b14856c45f367b
[INFO] running `Command { std: "docker" "start" "-a" "05d54afaf2e4ec083819a726409193c19973683eb548230b71b14856c45f367b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d54afaf2e4ec083819a726409193c19973683eb548230b71b14856c45f367b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d54afaf2e4ec083819a726409193c19973683eb548230b71b14856c45f367b", kill_on_drop: false }`
[INFO] [stdout] 05d54afaf2e4ec083819a726409193c19973683eb548230b71b14856c45f367b
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d91b43eb7b68f40f96f037b432a8e1fe7ebc62e523eefabd937edd1a7cd1e0
[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" "45d91b43eb7b68f40f96f037b432a8e1fe7ebc62e523eefabd937edd1a7cd1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[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 v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling futures-locks v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "45d91b43eb7b68f40f96f037b432a8e1fe7ebc62e523eefabd937edd1a7cd1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d91b43eb7b68f40f96f037b432a8e1fe7ebc62e523eefabd937edd1a7cd1e0", kill_on_drop: false }`
[INFO] [stdout] 45d91b43eb7b68f40f96f037b432a8e1fe7ebc62e523eefabd937edd1a7cd1e0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087a5169a51902c784c0d314d3a17284bed489e56a3aa8f60208f5a817a837bb
[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" "087a5169a51902c784c0d314d3a17284bed489e56a3aa8f60208f5a817a837bb", kill_on_drop: false }`
[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 4.62s
[INFO] running `Command { std: "docker" "inspect" "087a5169a51902c784c0d314d3a17284bed489e56a3aa8f60208f5a817a837bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087a5169a51902c784c0d314d3a17284bed489e56a3aa8f60208f5a817a837bb", kill_on_drop: false }`
[INFO] [stdout] 087a5169a51902c784c0d314d3a17284bed489e56a3aa8f60208f5a817a837bb
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 096d23eb6c790fce3337b8cc5c0e3f39c466d99ad3beecd1957b3b59f29a352f
[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" "096d23eb6c790fce3337b8cc5c0e3f39c466d99ad3beecd1957b3b59f29a352f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_locks-011d78635ea1fae4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mutex::t::debug ... ok
[INFO] [stdout] test rwlock::t::debug ... ok
[INFO] [stdout] test mutex::t::test_default ... ok
[INFO] [stdout] test rwlock::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-7cf072ff3a02e305)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test mutex::get_mut ... ok
[INFO] [stdout] test mutex::get_mut_cloned ... ok
[INFO] [stdout] test mutex::lock_contested ... ok
[INFO] [stdout] test mutex::drop_before_ready ... ok
[INFO] [stdout] test mutex::drop_when_ready ... ok
[INFO] [stdout] test mutex::lock_order ... ok
[INFO] [stdout] test mutex::mutex_weak_some ... ok
[INFO] [stdout] test mutex::try_lock_contested ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_false ... ok
[INFO] [stdout] test mutex::lock_uncontested ... ok
[INFO] [stdout] test mutex::with_local_ok ... ok
[INFO] [stdout] test rwlock::get_mut ... ok
[INFO] [stdout] test mutex::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test mutex::try_lock_uncontested ... ok
[INFO] [stdout] test rwlock::drop_shared_before_poll_returns_ready ... ok
[INFO] [stdout] test rwlock::get_mut_cloned ... ok
[INFO] [stdout] test mutex::mutex_weak_none ... ok
[INFO] [stdout] test rwlock::read_shared ... ok
[INFO] [stdout] test rwlock::read_uncontested ... ok
[INFO] [stdout] test rwlock::read_write_contested ... ok
[INFO] [stdout] test rwlock::try_write_contested ... ok
[INFO] [stdout] test rwlock::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test rwlock::try_write_uncontested ... ok
[INFO] [stdout] test rwlock::with_read_local_ok ... ok
[INFO] [stdout] test mutex::lock_multithreaded ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_poll_returns_ready ... ok
[INFO] [stdout] test rwlock::drop_shared_before_ready ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_ready ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_ready_2 ... ok
[INFO] [stdout] test rwlock::write_contested ... ok
[INFO] [stdout] test rwlock::write_read_contested ... ok
[INFO] [stdout] test rwlock::write_order ... ok
[INFO] [stdout] test rwlock::write_uncontested ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_true ... ok
[INFO] [stdout] test rwlock::multithreaded ... ok
[INFO] [stdout] test mutex::with_threadpool ... ok
[INFO] [stdout] test rwlock::try_read_contested ... ok
[INFO] [stdout] test rwlock::with_write_threadpool ... ok
[INFO] [stdout] test mutex::with_err ... ok
[INFO] [stdout] test rwlock::with_write_local_ok ... ok
[INFO] [stdout] test rwlock::try_read_uncontested ... ok
[INFO] [stdout] test mutex::with_ok ... ok
[INFO] [stdout] test rwlock::with_read_err ... ok
[INFO] [stdout] test rwlock::with_write_err ... ok
[INFO] [stdout] test rwlock::with_write_ok ... ok
[INFO] [stdout] test rwlock::with_read_ok ... ok
[INFO] [stderr]    Doc-tests futures-locks
[INFO] [stdout] test rwlock::with_read_threadpool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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-0d45ba4532edf014.rlib --extern futures_locks=/opt/rustwide/target/debug/deps/libfutures_locks-fe22532ad1842d89.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e23b170aa61fd69c.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-ba33b5838025bec1.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="tokio"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "096d23eb6c790fce3337b8cc5c0e3f39c466d99ad3beecd1957b3b59f29a352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096d23eb6c790fce3337b8cc5c0e3f39c466d99ad3beecd1957b3b59f29a352f", kill_on_drop: false }`
[INFO] [stdout] 096d23eb6c790fce3337b8cc5c0e3f39c466d99ad3beecd1957b3b59f29a352f