[INFO] fetching crate bufferpool 0.1.7...
[INFO] testing bufferpool-0.1.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bufferpool 0.1.7 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate bufferpool 0.1.7 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 bufferpool 0.1.7
[INFO] finished tweaking crates.io crate bufferpool 0.1.7
[INFO] tweaked toml for crates.io crate bufferpool 0.1.7 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate crates.io crate bufferpool 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 7b66ca28dc23307d2787555e8e0f314a270e0770617fe032acb78adce4072509
[INFO] running `Command { std: "docker" "start" "-a" "7b66ca28dc23307d2787555e8e0f314a270e0770617fe032acb78adce4072509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b66ca28dc23307d2787555e8e0f314a270e0770617fe032acb78adce4072509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b66ca28dc23307d2787555e8e0f314a270e0770617fe032acb78adce4072509", kill_on_drop: false }`
[INFO] [stdout] 7b66ca28dc23307d2787555e8e0f314a270e0770617fe032acb78adce4072509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 604bebc827f3036c7936229263b84719fcc38675cca1246ddceee8900b405ef9
[INFO] running `Command { std: "docker" "start" "-a" "604bebc827f3036c7936229263b84719fcc38675cca1246ddceee8900b405ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bufferpool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "604bebc827f3036c7936229263b84719fcc38675cca1246ddceee8900b405ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604bebc827f3036c7936229263b84719fcc38675cca1246ddceee8900b405ef9", kill_on_drop: false }`
[INFO] [stdout] 604bebc827f3036c7936229263b84719fcc38675cca1246ddceee8900b405ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 7785f84abebd7babf81759d745f78cce2afd5ab12da6f3586fb0f7f34458e40a
[INFO] running `Command { std: "docker" "start" "-a" "7785f84abebd7babf81759d745f78cce2afd5ab12da6f3586fb0f7f34458e40a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bufferpool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "7785f84abebd7babf81759d745f78cce2afd5ab12da6f3586fb0f7f34458e40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7785f84abebd7babf81759d745f78cce2afd5ab12da6f3586fb0f7f34458e40a", kill_on_drop: false }`
[INFO] [stdout] 7785f84abebd7babf81759d745f78cce2afd5ab12da6f3586fb0f7f34458e40a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 4af3a512b4f5f2471e59676fedf2460e56426f72a6b5065bf81287ba8d0594e0
[INFO] running `Command { std: "docker" "start" "-a" "4af3a512b4f5f2471e59676fedf2460e56426f72a6b5065bf81287ba8d0594e0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bufferpool-bd663286880a0336)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::it_should_add_capacity ... ok
[INFO] [stdout] test tests::it_should_clear_space_if_explicitly_requested ... ok
[INFO] [stdout] test tests::it_should_not_default_space_when_deallocated ... ok
[INFO] [stdout] test tests::it_should_get_space_if_capacity ... ok
[INFO] [stdout] test tests::it_should_return_space_when_deallocated ... ok
[INFO] [stdout] test tests::it_should_still_work_if_parent_is_dropped ... ok
[INFO] [stdout] test tests::it_should_update_internal_buffer ... ok
[INFO] [stdout] test tests::it_should_work_with_interesting_sizes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bufferpool
[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" "4af3a512b4f5f2471e59676fedf2460e56426f72a6b5065bf81287ba8d0594e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af3a512b4f5f2471e59676fedf2460e56426f72a6b5065bf81287ba8d0594e0", kill_on_drop: false }`
[INFO] [stdout] 4af3a512b4f5f2471e59676fedf2460e56426f72a6b5065bf81287ba8d0594e0