[INFO] fetching crate umber 0.0.0...
[INFO] testing umber-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate umber 0.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate umber 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umber 0.0.0
[INFO] finished tweaking crates.io crate umber 0.0.0
[INFO] tweaked toml for crates.io crate umber 0.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2d703d43305bf5186ed7e8b5333503d5d0390fee099d0e8242faa398304e504
[INFO] running `Command { std: "docker" "start" "-a" "f2d703d43305bf5186ed7e8b5333503d5d0390fee099d0e8242faa398304e504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2d703d43305bf5186ed7e8b5333503d5d0390fee099d0e8242faa398304e504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d703d43305bf5186ed7e8b5333503d5d0390fee099d0e8242faa398304e504", kill_on_drop: false }`
[INFO] [stdout] f2d703d43305bf5186ed7e8b5333503d5d0390fee099d0e8242faa398304e504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5726a97e08f616dacba761b6088e682602389b59a8eec320173249cdf96648d9
[INFO] running `Command { std: "docker" "start" "-a" "5726a97e08f616dacba761b6088e682602389b59a8eec320173249cdf96648d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling umber v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "5726a97e08f616dacba761b6088e682602389b59a8eec320173249cdf96648d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5726a97e08f616dacba761b6088e682602389b59a8eec320173249cdf96648d9", kill_on_drop: false }`
[INFO] [stdout] 5726a97e08f616dacba761b6088e682602389b59a8eec320173249cdf96648d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38478cd70cd20b3fc8d5fd8ac28305f7167bdd197c3d8855927888c3ad04e4bb
[INFO] running `Command { std: "docker" "start" "-a" "38478cd70cd20b3fc8d5fd8ac28305f7167bdd197c3d8855927888c3ad04e4bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling umber v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "38478cd70cd20b3fc8d5fd8ac28305f7167bdd197c3d8855927888c3ad04e4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38478cd70cd20b3fc8d5fd8ac28305f7167bdd197c3d8855927888c3ad04e4bb", kill_on_drop: false }`
[INFO] [stdout] 38478cd70cd20b3fc8d5fd8ac28305f7167bdd197c3d8855927888c3ad04e4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7981b8bdd0fb042f88e756dca010af7deba0b7fdb7d2ee998d3c6415c6a37cb
[INFO] running `Command { std: "docker" "start" "-a" "c7981b8bdd0fb042f88e756dca010af7deba0b7fdb7d2ee998d3c6415c6a37cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/umber-6d4086f155ba7ef4)
[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" "c7981b8bdd0fb042f88e756dca010af7deba0b7fdb7d2ee998d3c6415c6a37cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7981b8bdd0fb042f88e756dca010af7deba0b7fdb7d2ee998d3c6415c6a37cb", kill_on_drop: false }`
[INFO] [stdout] c7981b8bdd0fb042f88e756dca010af7deba0b7fdb7d2ee998d3c6415c6a37cb