[INFO] fetching crate scrappy-threadpool 0.0.1...
[INFO] testing scrappy-threadpool-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate scrappy-threadpool 0.0.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate scrappy-threadpool 0.0.1 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 scrappy-threadpool 0.0.1
[INFO] finished tweaking crates.io crate scrappy-threadpool 0.0.1
[INFO] tweaked toml for crates.io crate scrappy-threadpool 0.0.1 written to /workspace/builds/worker-19/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] 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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 06cf1038b5bda3f4b277ca53abbe43604f0d0fe73a92a1a59a1699753dd28e73
[INFO] running `Command { std: "docker" "start" "-a" "06cf1038b5bda3f4b277ca53abbe43604f0d0fe73a92a1a59a1699753dd28e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06cf1038b5bda3f4b277ca53abbe43604f0d0fe73a92a1a59a1699753dd28e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cf1038b5bda3f4b277ca53abbe43604f0d0fe73a92a1a59a1699753dd28e73", kill_on_drop: false }`
[INFO] [stdout] 06cf1038b5bda3f4b277ca53abbe43604f0d0fe73a92a1a59a1699753dd28e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 13fb422be578505b53aba40ed16cd033b4580dee8d4d57965cf39a55c928770f
[INFO] running `Command { std: "docker" "start" "-a" "13fb422be578505b53aba40ed16cd033b4580dee8d4d57965cf39a55c928770f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling scrappy-threadpool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.76s
[INFO] running `Command { std: "docker" "inspect" "13fb422be578505b53aba40ed16cd033b4580dee8d4d57965cf39a55c928770f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fb422be578505b53aba40ed16cd033b4580dee8d4d57965cf39a55c928770f", kill_on_drop: false }`
[INFO] [stdout] 13fb422be578505b53aba40ed16cd033b4580dee8d4d57965cf39a55c928770f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] dc6f9dadb5b762576e54baa419a45f4b6fb55b0e507757e95668291f63e44b16
[INFO] running `Command { std: "docker" "start" "-a" "dc6f9dadb5b762576e54baa419a45f4b6fb55b0e507757e95668291f63e44b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling scrappy-threadpool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "dc6f9dadb5b762576e54baa419a45f4b6fb55b0e507757e95668291f63e44b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6f9dadb5b762576e54baa419a45f4b6fb55b0e507757e95668291f63e44b16", kill_on_drop: false }`
[INFO] [stdout] dc6f9dadb5b762576e54baa419a45f4b6fb55b0e507757e95668291f63e44b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d296f8451adf45cad2dd26184f888adcec7c027c3cdb4a8e556e4e80283463f3
[INFO] running `Command { std: "docker" "start" "-a" "d296f8451adf45cad2dd26184f888adcec7c027c3cdb4a8e556e4e80283463f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scrappy_threadpool-ec4054a1eaa4858f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scrappy-threadpool
[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 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] running `Command { std: "docker" "inspect" "d296f8451adf45cad2dd26184f888adcec7c027c3cdb4a8e556e4e80283463f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d296f8451adf45cad2dd26184f888adcec7c027c3cdb4a8e556e4e80283463f3", kill_on_drop: false }`
[INFO] [stdout] d296f8451adf45cad2dd26184f888adcec7c027c3cdb4a8e556e4e80283463f3