[INFO] fetching crate waitlist 0.1.0...
[INFO] testing waitlist-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate waitlist 0.1.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate waitlist 0.1.0 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 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-64/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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 021ce4c536ab8506d1de5c05b23d76dc76ba08fbc0fcd5b8fabf950057a894db
[INFO] running `Command { std: "docker" "start" "-a" "021ce4c536ab8506d1de5c05b23d76dc76ba08fbc0fcd5b8fabf950057a894db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021ce4c536ab8506d1de5c05b23d76dc76ba08fbc0fcd5b8fabf950057a894db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021ce4c536ab8506d1de5c05b23d76dc76ba08fbc0fcd5b8fabf950057a894db", kill_on_drop: false }`
[INFO] [stdout] 021ce4c536ab8506d1de5c05b23d76dc76ba08fbc0fcd5b8fabf950057a894db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 46a514c78cfc66d02cb55b37af61515704cb3dcbef1bf4c7eeefa372d7c64f4c
[INFO] running `Command { std: "docker" "start" "-a" "46a514c78cfc66d02cb55b37af61515704cb3dcbef1bf4c7eeefa372d7c64f4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "46a514c78cfc66d02cb55b37af61515704cb3dcbef1bf4c7eeefa372d7c64f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a514c78cfc66d02cb55b37af61515704cb3dcbef1bf4c7eeefa372d7c64f4c", kill_on_drop: false }`
[INFO] [stdout] 46a514c78cfc66d02cb55b37af61515704cb3dcbef1bf4c7eeefa372d7c64f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 14d66dab0d48d4d70f7eaf6c31720c579bd426d57dace1e457823a3b3a224481
[INFO] running `Command { std: "docker" "start" "-a" "14d66dab0d48d4d70f7eaf6c31720c579bd426d57dace1e457823a3b3a224481", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling waitlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "14d66dab0d48d4d70f7eaf6c31720c579bd426d57dace1e457823a3b3a224481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d66dab0d48d4d70f7eaf6c31720c579bd426d57dace1e457823a3b3a224481", kill_on_drop: false }`
[INFO] [stdout] 14d66dab0d48d4d70f7eaf6c31720c579bd426d57dace1e457823a3b3a224481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 69af42236fec6cd6df87c5bad9ac0bfea3087ae588bbf078b8e5bc3db9e881b5
[INFO] running `Command { std: "docker" "start" "-a" "69af42236fec6cd6df87c5bad9ac0bfea3087ae588bbf078b8e5bc3db9e881b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/waitlist-d7c7467100293a9b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/waitlist.rs (/opt/rustwide/target/debug/deps/waitlist-5ad34f0f7911b7be)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cancel_notifies_next ... ok
[INFO] [stdout] test notify_after_clearing ... ok
[INFO] [stdout] test notify_all ... ok
[INFO] [stdout] test notify_any ... ok
[INFO] [stdout] test try_finish_works ... ok
[INFO] [stderr]    Doc-tests waitlist
[INFO] [stdout] test update ... 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 0.01s
[INFO] [stdout] 
[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 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69af42236fec6cd6df87c5bad9ac0bfea3087ae588bbf078b8e5bc3db9e881b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69af42236fec6cd6df87c5bad9ac0bfea3087ae588bbf078b8e5bc3db9e881b5", kill_on_drop: false }`
[INFO] [stdout] 69af42236fec6cd6df87c5bad9ac0bfea3087ae588bbf078b8e5bc3db9e881b5