[INFO] fetching crate safina-sync 0.1.5...
[INFO] testing safina-sync-0.1.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate safina-sync 0.1.5 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate safina-sync 0.1.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-sync 0.1.5
[INFO] finished tweaking crates.io crate safina-sync 0.1.5
[INFO] tweaked toml for crates.io crate safina-sync 0.1.5 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12629817eff31aa79d453acb96b770b4607e86af90b8d4ba387a6a42a973efcd
[INFO] running `Command { std: "docker" "start" "-a" "12629817eff31aa79d453acb96b770b4607e86af90b8d4ba387a6a42a973efcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12629817eff31aa79d453acb96b770b4607e86af90b8d4ba387a6a42a973efcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12629817eff31aa79d453acb96b770b4607e86af90b8d4ba387a6a42a973efcd", kill_on_drop: false }`
[INFO] [stdout] 12629817eff31aa79d453acb96b770b4607e86af90b8d4ba387a6a42a973efcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5723d8a1594734fb7b8cb2a003e28eccd0b4a5d4df2e52fe0b13aa55087a47
[INFO] running `Command { std: "docker" "start" "-a" "5b5723d8a1594734fb7b8cb2a003e28eccd0b4a5d4df2e52fe0b13aa55087a47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "5b5723d8a1594734fb7b8cb2a003e28eccd0b4a5d4df2e52fe0b13aa55087a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5723d8a1594734fb7b8cb2a003e28eccd0b4a5d4df2e52fe0b13aa55087a47", kill_on_drop: false }`
[INFO] [stdout] 5b5723d8a1594734fb7b8cb2a003e28eccd0b4a5d4df2e52fe0b13aa55087a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097db35bd0d85f562fbc3af4f6f573ec062a9c2dd63cc2b36f7fc5f654247c8b
[INFO] running `Command { std: "docker" "start" "-a" "097db35bd0d85f562fbc3af4f6f573ec062a9c2dd63cc2b36f7fc5f654247c8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling safina-threadpool v0.1.3
[INFO] [stderr]    Compiling safina-sync v0.1.5
[INFO] [stderr]    Compiling safina-timer v0.1.9
[INFO] [stderr]    Compiling safina-executor v0.1.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling safina-async-test-core v0.1.1
[INFO] [stderr]    Compiling safina-async-test v0.1.9
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "097db35bd0d85f562fbc3af4f6f573ec062a9c2dd63cc2b36f7fc5f654247c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097db35bd0d85f562fbc3af4f6f573ec062a9c2dd63cc2b36f7fc5f654247c8b", kill_on_drop: false }`
[INFO] [stdout] 097db35bd0d85f562fbc3af4f6f573ec062a9c2dd63cc2b36f7fc5f654247c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb2976349625bb815b3a65bd11382088e1e0c606fb191ea48269186e1bffe27a
[INFO] running `Command { std: "docker" "start" "-a" "eb2976349625bb815b3a65bd11382088e1e0c606fb191ea48269186e1bffe27a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safina_sync-236ad0e4315848ce)
[INFO] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-b3f13af78d97549c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test should_unlock_immediately_ ... ok
[INFO] [stdout] test unlocking_wakes_waiters_ ... ok
[INFO] [stdout] test should_handle_many_waiters_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/promise.rs (/opt/rustwide/target/debug/deps/promise-2ffbfdba4f158a25)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test is_set_ ... ok
[INFO] [stdout] test test_try_set ... ok
[INFO] [stdout] test already_set_ ... ok
[INFO] [stdout] test repoll_awaits_ ... ok
[INFO] [stdout] test set_should_wake_ ... ok
[INFO] [stdout] test one_one_await_returns_ ... ok
[INFO] [stdout] test test_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina-sync
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb2976349625bb815b3a65bd11382088e1e0c606fb191ea48269186e1bffe27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2976349625bb815b3a65bd11382088e1e0c606fb191ea48269186e1bffe27a", kill_on_drop: false }`
[INFO] [stdout] eb2976349625bb815b3a65bd11382088e1e0c606fb191ea48269186e1bffe27a