[INFO] fetching crate waitlist 0.1.0...
[INFO] testing waitlist-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate waitlist 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate waitlist 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waitlist 0.1.0
[INFO] finished tweaking crates.io crate waitlist 0.1.0
[INFO] tweaked toml for crates.io crate waitlist 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1270474fd7340817f260acc3151132f53964c5d1fe87ff82f66c4c8d0ff2ba32
[INFO] running `Command { std: "docker" "start" "-a" "1270474fd7340817f260acc3151132f53964c5d1fe87ff82f66c4c8d0ff2ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1270474fd7340817f260acc3151132f53964c5d1fe87ff82f66c4c8d0ff2ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1270474fd7340817f260acc3151132f53964c5d1fe87ff82f66c4c8d0ff2ba32", kill_on_drop: false }`
[INFO] [stdout] 1270474fd7340817f260acc3151132f53964c5d1fe87ff82f66c4c8d0ff2ba32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bccef46066979d179fb8a2b39843dafdccacf03c7c92d5704935a2ea759cc2f9
[INFO] running `Command { std: "docker" "start" "-a" "bccef46066979d179fb8a2b39843dafdccacf03c7c92d5704935a2ea759cc2f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bccef46066979d179fb8a2b39843dafdccacf03c7c92d5704935a2ea759cc2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bccef46066979d179fb8a2b39843dafdccacf03c7c92d5704935a2ea759cc2f9", kill_on_drop: false }`
[INFO] [stdout] bccef46066979d179fb8a2b39843dafdccacf03c7c92d5704935a2ea759cc2f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ce150d6f29a73e7a0a97fc77ade8dd42cc4273b10344e9af38bc3b1fa0c310
[INFO] running `Command { std: "docker" "start" "-a" "03ce150d6f29a73e7a0a97fc77ade8dd42cc4273b10344e9af38bc3b1fa0c310", 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]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "03ce150d6f29a73e7a0a97fc77ade8dd42cc4273b10344e9af38bc3b1fa0c310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ce150d6f29a73e7a0a97fc77ade8dd42cc4273b10344e9af38bc3b1fa0c310", kill_on_drop: false }`
[INFO] [stdout] 03ce150d6f29a73e7a0a97fc77ade8dd42cc4273b10344e9af38bc3b1fa0c310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87ed54b528bb5ec602e46544660ef1300aa3f8f0d2d766e7f65712935eef3a5a
[INFO] running `Command { std: "docker" "start" "-a" "87ed54b528bb5ec602e46544660ef1300aa3f8f0d2d766e7f65712935eef3a5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/waitlist-fc4800b350c39bf0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/waitlist.rs (/opt/rustwide/target/debug/deps/waitlist-6bcf34528484a13a)
[INFO] [stdout] test test::wraparound ... 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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cancel_notifies_next ... ok
[INFO] [stdout] test notify_all ... ok
[INFO] [stdout] test try_finish_works ... ok
[INFO] [stdout] test update ... ok
[INFO] [stdout] test notify_after_clearing ... ok
[INFO] [stdout] test notify_any ... ok
[INFO] [stdout] test fifo_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waitlist
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - WaitHandle::try_finish (line 168) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87ed54b528bb5ec602e46544660ef1300aa3f8f0d2d766e7f65712935eef3a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ed54b528bb5ec602e46544660ef1300aa3f8f0d2d766e7f65712935eef3a5a", kill_on_drop: false }`
[INFO] [stdout] 87ed54b528bb5ec602e46544660ef1300aa3f8f0d2d766e7f65712935eef3a5a