[INFO] fetching crate bossy 0.2.1...
[INFO] testing bossy-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bossy 0.2.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate bossy 0.2.1 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 bossy 0.2.1
[INFO] finished tweaking crates.io crate bossy 0.2.1
[INFO] tweaked toml for crates.io crate bossy 0.2.1 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate bossy 0.2.1 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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 66bce2a8e3b2794fe8039ee6f958a33625189ed65c2ac6f7cbbfcd0ce8bc8bb0
[INFO] running `Command { std: "docker" "start" "-a" "66bce2a8e3b2794fe8039ee6f958a33625189ed65c2ac6f7cbbfcd0ce8bc8bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bce2a8e3b2794fe8039ee6f958a33625189ed65c2ac6f7cbbfcd0ce8bc8bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bce2a8e3b2794fe8039ee6f958a33625189ed65c2ac6f7cbbfcd0ce8bc8bb0", kill_on_drop: false }`
[INFO] [stdout] 66bce2a8e3b2794fe8039ee6f958a33625189ed65c2ac6f7cbbfcd0ce8bc8bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 3e287c07148097fa510db88b1866c442ab0687939ce2328a2fbab50062b42198
[INFO] running `Command { std: "docker" "start" "-a" "3e287c07148097fa510db88b1866c442ab0687939ce2328a2fbab50062b42198", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bossy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "3e287c07148097fa510db88b1866c442ab0687939ce2328a2fbab50062b42198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e287c07148097fa510db88b1866c442ab0687939ce2328a2fbab50062b42198", kill_on_drop: false }`
[INFO] [stdout] 3e287c07148097fa510db88b1866c442ab0687939ce2328a2fbab50062b42198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 3869d24777bbf1ac1fbaa18d7dcacb7801c66001c4cb4e5e87804da765796d21
[INFO] running `Command { std: "docker" "start" "-a" "3869d24777bbf1ac1fbaa18d7dcacb7801c66001c4cb4e5e87804da765796d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling bossy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "3869d24777bbf1ac1fbaa18d7dcacb7801c66001c4cb4e5e87804da765796d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3869d24777bbf1ac1fbaa18d7dcacb7801c66001c4cb4e5e87804da765796d21", kill_on_drop: false }`
[INFO] [stdout] 3869d24777bbf1ac1fbaa18d7dcacb7801c66001c4cb4e5e87804da765796d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 4bb48eb55d82565cdcd8947d1193492ed23bd2f8b146a9c11df4f338e0a79ac2
[INFO] running `Command { std: "docker" "start" "-a" "4bb48eb55d82565cdcd8947d1193492ed23bd2f8b146a9c11df4f338e0a79ac2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bossy-93ec84a93dda6b71)
[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]    Doc-tests bossy
[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" "4bb48eb55d82565cdcd8947d1193492ed23bd2f8b146a9c11df4f338e0a79ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb48eb55d82565cdcd8947d1193492ed23bd2f8b146a9c11df4f338e0a79ac2", kill_on_drop: false }`
[INFO] [stdout] 4bb48eb55d82565cdcd8947d1193492ed23bd2f8b146a9c11df4f338e0a79ac2