[INFO] fetching crate foam-up 2.0.0...
[INFO] testing foam-up-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate foam-up 2.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate foam-up 2.0.0 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 foam-up 2.0.0
[INFO] finished tweaking crates.io crate foam-up 2.0.0
[INFO] tweaked toml for crates.io crate foam-up 2.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate foam-up 2.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55bda8c575be7556f5229a7f9772a1de2a3e70d0c0e2d541f82bf19e4199f80a
[INFO] running `Command { std: "docker" "start" "-a" "55bda8c575be7556f5229a7f9772a1de2a3e70d0c0e2d541f82bf19e4199f80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55bda8c575be7556f5229a7f9772a1de2a3e70d0c0e2d541f82bf19e4199f80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bda8c575be7556f5229a7f9772a1de2a3e70d0c0e2d541f82bf19e4199f80a", kill_on_drop: false }`
[INFO] [stdout] 55bda8c575be7556f5229a7f9772a1de2a3e70d0c0e2d541f82bf19e4199f80a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1e595f6d6f030f78b9d2ef7b49bc24c160f6208d6d08e69a2b943f0844e57fcf
[INFO] running `Command { std: "docker" "start" "-a" "1e595f6d6f030f78b9d2ef7b49bc24c160f6208d6d08e69a2b943f0844e57fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling foam-up v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.01s
[INFO] running `Command { std: "docker" "inspect" "1e595f6d6f030f78b9d2ef7b49bc24c160f6208d6d08e69a2b943f0844e57fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e595f6d6f030f78b9d2ef7b49bc24c160f6208d6d08e69a2b943f0844e57fcf", kill_on_drop: false }`
[INFO] [stdout] 1e595f6d6f030f78b9d2ef7b49bc24c160f6208d6d08e69a2b943f0844e57fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ca3a3c7a52b6f2de904e7e03f5d3d45b09822818a6d125b0b836b8c260fa44d2
[INFO] running `Command { std: "docker" "start" "-a" "ca3a3c7a52b6f2de904e7e03f5d3d45b09822818a6d125b0b836b8c260fa44d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling foam-up v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "ca3a3c7a52b6f2de904e7e03f5d3d45b09822818a6d125b0b836b8c260fa44d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3a3c7a52b6f2de904e7e03f5d3d45b09822818a6d125b0b836b8c260fa44d2", kill_on_drop: false }`
[INFO] [stdout] ca3a3c7a52b6f2de904e7e03f5d3d45b09822818a6d125b0b836b8c260fa44d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b4800c17667327a0a8f5b28a09cba16a2fd7d3251aff9ce6413d6bcd0865ba28
[INFO] running `Command { std: "docker" "start" "-a" "b4800c17667327a0a8f5b28a09cba16a2fd7d3251aff9ce6413d6bcd0865ba28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/foam_up-64fdae57c90d2389)
[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" "b4800c17667327a0a8f5b28a09cba16a2fd7d3251aff9ce6413d6bcd0865ba28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4800c17667327a0a8f5b28a09cba16a2fd7d3251aff9ce6413d6bcd0865ba28", kill_on_drop: false }`
[INFO] [stdout] b4800c17667327a0a8f5b28a09cba16a2fd7d3251aff9ce6413d6bcd0865ba28