[INFO] fetching crate async-barrier 1.1.0...
[INFO] testing async-barrier-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-barrier 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-barrier 1.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-barrier 1.1.0
[INFO] finished tweaking crates.io crate async-barrier 1.1.0
[INFO] tweaked toml for crates.io crate async-barrier 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf012e09c06873c4785f525212b531d1ca5f9adbc40afa7caf8035d6c1f77c50
[INFO] running `Command { std: "docker" "start" "-a" "cf012e09c06873c4785f525212b531d1ca5f9adbc40afa7caf8035d6c1f77c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf012e09c06873c4785f525212b531d1ca5f9adbc40afa7caf8035d6c1f77c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf012e09c06873c4785f525212b531d1ca5f9adbc40afa7caf8035d6c1f77c50", kill_on_drop: false }`
[INFO] [stdout] cf012e09c06873c4785f525212b531d1ca5f9adbc40afa7caf8035d6c1f77c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef9b3ef34b412c49023030e3fb37880975a4fc1d08b2b73743d726cad7a90b1
[INFO] running `Command { std: "docker" "start" "-a" "fef9b3ef34b412c49023030e3fb37880975a4fc1d08b2b73743d726cad7a90b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-barrier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "fef9b3ef34b412c49023030e3fb37880975a4fc1d08b2b73743d726cad7a90b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef9b3ef34b412c49023030e3fb37880975a4fc1d08b2b73743d726cad7a90b1", kill_on_drop: false }`
[INFO] [stdout] fef9b3ef34b412c49023030e3fb37880975a4fc1d08b2b73743d726cad7a90b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d77a0a56f4068286cefb251810b6f4e2c1adef237344c2b8b6d8b76ed25a4f9
[INFO] running `Command { std: "docker" "start" "-a" "8d77a0a56f4068286cefb251810b6f4e2c1adef237344c2b8b6d8b76ed25a4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-barrier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8d77a0a56f4068286cefb251810b6f4e2c1adef237344c2b8b6d8b76ed25a4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d77a0a56f4068286cefb251810b6f4e2c1adef237344c2b8b6d8b76ed25a4f9", kill_on_drop: false }`
[INFO] [stdout] 8d77a0a56f4068286cefb251810b6f4e2c1adef237344c2b8b6d8b76ed25a4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b98a658c250122261e5812cfc231f15cc4563a585bb7d2896ae41f8fccc6b838
[INFO] running `Command { std: "docker" "start" "-a" "b98a658c250122261e5812cfc231f15cc4563a585bb7d2896ae41f8fccc6b838", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_barrier-19d8ddfb6118b79d)
[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] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-3e5af1c3d96adfbf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-barrier
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Barrier::new (line 35) ... ok
[INFO] [stdout] test src/lib.rs - BarrierWaitResult (line 107) ... ok
[INFO] [stdout] test src/lib.rs - BarrierWaitResult::is_leader (line 125) ... ok
[INFO] [stdout] test src/lib.rs - Barrier::wait (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b98a658c250122261e5812cfc231f15cc4563a585bb7d2896ae41f8fccc6b838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98a658c250122261e5812cfc231f15cc4563a585bb7d2896ae41f8fccc6b838", kill_on_drop: false }`
[INFO] [stdout] b98a658c250122261e5812cfc231f15cc4563a585bb7d2896ae41f8fccc6b838