[INFO] cloning repository https://github.com/maxpiepenbrink/fftool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxpiepenbrink/fftool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxpiepenbrink%2Ffftool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxpiepenbrink%2Ffftool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 929023bfaf1e08b9058d30abf14e77813d6f46df
[INFO] testing maxpiepenbrink/fftool against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxpiepenbrink%2Ffftool" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxpiepenbrink/fftool 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 git repo https://github.com/maxpiepenbrink/fftool
[INFO] finished tweaking git repo https://github.com/maxpiepenbrink/fftool
[INFO] tweaked toml for git repo https://github.com/maxpiepenbrink/fftool written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/maxpiepenbrink/fftool 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 965ade04af2f2747f37545726a44ce9d61ef1243d6cea14081945d20fd70b3a8
[INFO] running `Command { std: "docker" "start" "-a" "965ade04af2f2747f37545726a44ce9d61ef1243d6cea14081945d20fd70b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965ade04af2f2747f37545726a44ce9d61ef1243d6cea14081945d20fd70b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965ade04af2f2747f37545726a44ce9d61ef1243d6cea14081945d20fd70b3a8", kill_on_drop: false }`
[INFO] [stdout] 965ade04af2f2747f37545726a44ce9d61ef1243d6cea14081945d20fd70b3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 0d7b423e81d90a0c2dacdd2034e66489f7aa4a9ea63dd5da15ab4c12cad3ca40
[INFO] running `Command { std: "docker" "start" "-a" "0d7b423e81d90a0c2dacdd2034e66489f7aa4a9ea63dd5da15ab4c12cad3ca40", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fftool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "0d7b423e81d90a0c2dacdd2034e66489f7aa4a9ea63dd5da15ab4c12cad3ca40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7b423e81d90a0c2dacdd2034e66489f7aa4a9ea63dd5da15ab4c12cad3ca40", kill_on_drop: false }`
[INFO] [stdout] 0d7b423e81d90a0c2dacdd2034e66489f7aa4a9ea63dd5da15ab4c12cad3ca40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 6943fd8aa3b31cf8488c51d687b33451a2d69160bb9a5e8de1525826f0027641
[INFO] running `Command { std: "docker" "start" "-a" "6943fd8aa3b31cf8488c51d687b33451a2d69160bb9a5e8de1525826f0027641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fftool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "6943fd8aa3b31cf8488c51d687b33451a2d69160bb9a5e8de1525826f0027641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6943fd8aa3b31cf8488c51d687b33451a2d69160bb9a5e8de1525826f0027641", kill_on_drop: false }`
[INFO] [stdout] 6943fd8aa3b31cf8488c51d687b33451a2d69160bb9a5e8de1525826f0027641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 98c44a7ffec2cf43e74b6381f766cf17e628798808e1c02b15532fb7e8597f2e
[INFO] running `Command { std: "docker" "start" "-a" "98c44a7ffec2cf43e74b6381f766cf17e628798808e1c02b15532fb7e8597f2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fftool-03bb6c15be243118)
[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" "98c44a7ffec2cf43e74b6381f766cf17e628798808e1c02b15532fb7e8597f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c44a7ffec2cf43e74b6381f766cf17e628798808e1c02b15532fb7e8597f2e", kill_on_drop: false }`
[INFO] [stdout] 98c44a7ffec2cf43e74b6381f766cf17e628798808e1c02b15532fb7e8597f2e