[INFO] fetching crate errgroup 0.1.1...
[INFO] testing errgroup-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate errgroup 0.1.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate errgroup 0.1.1 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 errgroup 0.1.1
[INFO] finished tweaking crates.io crate errgroup 0.1.1
[INFO] tweaked toml for crates.io crate errgroup 0.1.1 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate errgroup 0.1.1 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] a6afb3c26266b214dd1b8842219b007e2270512191db4880762b5e2de051b6be
[INFO] running `Command { std: "docker" "start" "-a" "a6afb3c26266b214dd1b8842219b007e2270512191db4880762b5e2de051b6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6afb3c26266b214dd1b8842219b007e2270512191db4880762b5e2de051b6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6afb3c26266b214dd1b8842219b007e2270512191db4880762b5e2de051b6be", kill_on_drop: false }`
[INFO] [stdout] a6afb3c26266b214dd1b8842219b007e2270512191db4880762b5e2de051b6be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 040258d2bb5f5bff3dcad05f72d4c5e9b59bc9b852a8f4022ae186a4313d99c3
[INFO] running `Command { std: "docker" "start" "-a" "040258d2bb5f5bff3dcad05f72d4c5e9b59bc9b852a8f4022ae186a4313d99c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.2.0
[INFO] [stderr]    Compiling errgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
[INFO] running `Command { std: "docker" "inspect" "040258d2bb5f5bff3dcad05f72d4c5e9b59bc9b852a8f4022ae186a4313d99c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040258d2bb5f5bff3dcad05f72d4c5e9b59bc9b852a8f4022ae186a4313d99c3", kill_on_drop: false }`
[INFO] [stdout] 040258d2bb5f5bff3dcad05f72d4c5e9b59bc9b852a8f4022ae186a4313d99c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 4cffec5fb5cd8562e37d597fd23c8972f0643a330d339cc9cb968d176b6f1b26
[INFO] running `Command { std: "docker" "start" "-a" "4cffec5fb5cd8562e37d597fd23c8972f0643a330d339cc9cb968d176b6f1b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling errgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "4cffec5fb5cd8562e37d597fd23c8972f0643a330d339cc9cb968d176b6f1b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cffec5fb5cd8562e37d597fd23c8972f0643a330d339cc9cb968d176b6f1b26", kill_on_drop: false }`
[INFO] [stdout] 4cffec5fb5cd8562e37d597fd23c8972f0643a330d339cc9cb968d176b6f1b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 0e49f3e3ba77330c11053ce04dac380ed4d74915a4ad0fa39921d3336021565f
[INFO] running `Command { std: "docker" "start" "-a" "0e49f3e3ba77330c11053ce04dac380ed4d74915a4ad0fa39921d3336021565f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/errgroup-1c6a9786927be12e)
[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" "0e49f3e3ba77330c11053ce04dac380ed4d74915a4ad0fa39921d3336021565f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e49f3e3ba77330c11053ce04dac380ed4d74915a4ad0fa39921d3336021565f", kill_on_drop: false }`
[INFO] [stdout] 0e49f3e3ba77330c11053ce04dac380ed4d74915a4ad0fa39921d3336021565f