[INFO] fetching crate calcifer 0.0.0...
[INFO] testing calcifer-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate calcifer 0.0.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate calcifer 0.0.0 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 calcifer 0.0.0
[INFO] finished tweaking crates.io crate calcifer 0.0.0
[INFO] tweaked toml for crates.io crate calcifer 0.0.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] a54a3db96771e6ade551c02485b664e564da9d9d28ada2b6a0386ae6b3ef2f5d
[INFO] running `Command { std: "docker" "start" "-a" "a54a3db96771e6ade551c02485b664e564da9d9d28ada2b6a0386ae6b3ef2f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54a3db96771e6ade551c02485b664e564da9d9d28ada2b6a0386ae6b3ef2f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54a3db96771e6ade551c02485b664e564da9d9d28ada2b6a0386ae6b3ef2f5d", kill_on_drop: false }`
[INFO] [stdout] a54a3db96771e6ade551c02485b664e564da9d9d28ada2b6a0386ae6b3ef2f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 632158e4e143c1b1a9b6de346c83de0291deedf1a04efe19520f7d2ea01a19e0
[INFO] running `Command { std: "docker" "start" "-a" "632158e4e143c1b1a9b6de346c83de0291deedf1a04efe19520f7d2ea01a19e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calcifer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "632158e4e143c1b1a9b6de346c83de0291deedf1a04efe19520f7d2ea01a19e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632158e4e143c1b1a9b6de346c83de0291deedf1a04efe19520f7d2ea01a19e0", kill_on_drop: false }`
[INFO] [stdout] 632158e4e143c1b1a9b6de346c83de0291deedf1a04efe19520f7d2ea01a19e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 5f1b6b93b0d10d0a0920e3e6aaaf749a221a0c5cd76be0eb91477dc98f6b4b69
[INFO] running `Command { std: "docker" "start" "-a" "5f1b6b93b0d10d0a0920e3e6aaaf749a221a0c5cd76be0eb91477dc98f6b4b69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calcifer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5f1b6b93b0d10d0a0920e3e6aaaf749a221a0c5cd76be0eb91477dc98f6b4b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1b6b93b0d10d0a0920e3e6aaaf749a221a0c5cd76be0eb91477dc98f6b4b69", kill_on_drop: false }`
[INFO] [stdout] 5f1b6b93b0d10d0a0920e3e6aaaf749a221a0c5cd76be0eb91477dc98f6b4b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] be8a37234aad7ba623b498a554644387fa4034477390338e26dd87b31010fa56
[INFO] running `Command { std: "docker" "start" "-a" "be8a37234aad7ba623b498a554644387fa4034477390338e26dd87b31010fa56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calcifer-7e23adbefcec3a52)
[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" "be8a37234aad7ba623b498a554644387fa4034477390338e26dd87b31010fa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8a37234aad7ba623b498a554644387fa4034477390338e26dd87b31010fa56", kill_on_drop: false }`
[INFO] [stdout] be8a37234aad7ba623b498a554644387fa4034477390338e26dd87b31010fa56