[INFO] fetching crate futures-locks 0.6.0...
[INFO] testing futures-locks-0.6.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate futures-locks 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-locks 0.6.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df8f364db519b46505726b0ec95e51f47b45adc98b24a9eedc2696b138c8b545
[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" "df8f364db519b46505726b0ec95e51f47b45adc98b24a9eedc2696b138c8b545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8f364db519b46505726b0ec95e51f47b45adc98b24a9eedc2696b138c8b545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8f364db519b46505726b0ec95e51f47b45adc98b24a9eedc2696b138c8b545", kill_on_drop: false }`
[INFO] [stdout] df8f364db519b46505726b0ec95e51f47b45adc98b24a9eedc2696b138c8b545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ed49a664bf282160f5e9edf2943dc2747c157ead34d82f855e1b2b82bd2cd112
[INFO] running `Command { std: "docker" "start" "-a" "ed49a664bf282160f5e9edf2943dc2747c157ead34d82f855e1b2b82bd2cd112", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling futures-locks v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "ed49a664bf282160f5e9edf2943dc2747c157ead34d82f855e1b2b82bd2cd112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed49a664bf282160f5e9edf2943dc2747c157ead34d82f855e1b2b82bd2cd112", kill_on_drop: false }`
[INFO] [stdout] ed49a664bf282160f5e9edf2943dc2747c157ead34d82f855e1b2b82bd2cd112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 0b5f6a1b632fb771f83eb42192e249a4590c469e768f4e960897c12f2d331c9a
[INFO] running `Command { std: "docker" "start" "-a" "0b5f6a1b632fb771f83eb42192e249a4590c469e768f4e960897c12f2d331c9a", 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 8.58s
[INFO] running `Command { std: "docker" "inspect" "0b5f6a1b632fb771f83eb42192e249a4590c469e768f4e960897c12f2d331c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5f6a1b632fb771f83eb42192e249a4590c469e768f4e960897c12f2d331c9a", kill_on_drop: false }`
[INFO] [stdout] 0b5f6a1b632fb771f83eb42192e249a4590c469e768f4e960897c12f2d331c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 634c69f9df90bd56a6c7721d8e9d2ecf4007e0b3b92ad1cfd333cd4956a2156c
[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" "634c69f9df90bd56a6c7721d8e9d2ecf4007e0b3b92ad1cfd333cd4956a2156c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_locks-4a767f4dd6b363df
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mutex::t::debug ... ok
[INFO] [stdout] test rwlock::t::test_default ... ok
[INFO] [stdout] test rwlock::t::debug ... 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 /opt/rustwide/target/debug/deps/functional-fc8f5d1f69a63a05
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test mutex::lock_contested ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_true ... ok
[INFO] [stdout] test mutex::try_lock_contested ... ok
[INFO] [stdout] test mutex::mutex_weak_some ... ok
[INFO] [stdout] test mutex::lock_order ... ok
[INFO] [stdout] test mutex::mutex_weak_none ... ok
[INFO] [stdout] test mutex::lock_uncontested ... ok
[INFO] [stdout] test mutex::mutex_eq_ptr_false ... 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::drop_exclusive_before_poll_returns_ready ... ok
[INFO] [stdout] test rwlock::drop_shared_before_ready ... ok
[INFO] [stdout] test rwlock::get_mut_cloned ... ok
[INFO] [stdout] test rwlock::get_mut ... ok
[INFO] [stdout] test rwlock::read_shared ... ok
[INFO] [stdout] test mutex::drop_before_ready ... ok
[INFO] [stdout] test mutex::get_mut ... ok
[INFO] [stdout] test mutex::get_mut_cloned ... ok
[INFO] [stdout] test mutex::drop_when_ready ... ok
[INFO] [stdout] test mutex::lock_multithreaded ... ok
[INFO] [stdout] test rwlock::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test rwlock::try_read_uncontested ... ok
[INFO] [stdout] test rwlock::read_uncontested ... ok
[INFO] [stdout] test mutex::try_unwrap_multiply_referenced ... ok
[INFO] [stdout] test rwlock::try_read_contested ... ok
[INFO] [stdout] test mutex::try_lock_uncontested ... ok
[INFO] [stdout] test rwlock::drop_exclusive_before_ready ... ok
[INFO] [stdout] test mutex::with_local_ok ... ok
[INFO] [stdout] test rwlock::read_write_contested ... ok
[INFO] [stdout] test mutex::with_threadpool ... ok
[INFO] [stdout] test rwlock::with_read_local_ok ... ok
[INFO] [stdout] test rwlock::multithreaded ... ok
[INFO] [stdout] test rwlock::with_write_local_ok ... ok
[INFO] [stdout] test rwlock::try_write_uncontested ... 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::with_write_err ... ok
[INFO] [stdout] test rwlock::with_read_threadpool ... ok
[INFO] [stdout] test rwlock::with_read_ok ... ok
[INFO] [stdout] test rwlock::write_uncontested ... ok
[INFO] [stdout] test rwlock::try_write_contested ... ok
[INFO] [stdout] test mutex::with_ok ... ok
[INFO] [stdout] test rwlock::with_write_threadpool ... ok
[INFO] [stdout] test rwlock::with_read_err ... ok
[INFO] [stdout] test mutex::with_err ... ok
[INFO] [stdout] test rwlock::with_write_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-locks
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock (line 297) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 195) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexWeak (line 147) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::with_read_local (line 538) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::read (line 344) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_write (line 415) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 265) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_read (line 388) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::get_mut (line 317) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::with_local (line 399) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write (line 366) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::with (line 353) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::with_write (line 595) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::with_read (line 492) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::with_write_local (line 642) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "634c69f9df90bd56a6c7721d8e9d2ecf4007e0b3b92ad1cfd333cd4956a2156c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634c69f9df90bd56a6c7721d8e9d2ecf4007e0b3b92ad1cfd333cd4956a2156c", kill_on_drop: false }`
[INFO] [stdout] 634c69f9df90bd56a6c7721d8e9d2ecf4007e0b3b92ad1cfd333cd4956a2156c