[INFO] cloning repository https://github.com/JosephTLyons/serial_number_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosephTLyons/serial_number_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fserial_number_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fserial_number_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3933f21a3234f3f1fe8e302f4f9853438ec82625
[INFO] testing JosephTLyons/serial_number_generator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fserial_number_generator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/serial_number_generator 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/JosephTLyons/serial_number_generator
[INFO] finished tweaking git repo https://github.com/JosephTLyons/serial_number_generator
[INFO] tweaked toml for git repo https://github.com/JosephTLyons/serial_number_generator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephTLyons/serial_number_generator 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ece2e15a1ff89419a923d40f132f8b67398124ed2b9c34ac1da333c1acbaaba8
[INFO] running `Command { std: "docker" "start" "-a" "ece2e15a1ff89419a923d40f132f8b67398124ed2b9c34ac1da333c1acbaaba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece2e15a1ff89419a923d40f132f8b67398124ed2b9c34ac1da333c1acbaaba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece2e15a1ff89419a923d40f132f8b67398124ed2b9c34ac1da333c1acbaaba8", kill_on_drop: false }`
[INFO] [stdout] ece2e15a1ff89419a923d40f132f8b67398124ed2b9c34ac1da333c1acbaaba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2007f7f26d83b0fb2d04f5557725137c12b790131eb2d2af03a4c353cb7b70ff
[INFO] running `Command { std: "docker" "start" "-a" "2007f7f26d83b0fb2d04f5557725137c12b790131eb2d2af03a4c353cb7b70ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling andromeda v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "2007f7f26d83b0fb2d04f5557725137c12b790131eb2d2af03a4c353cb7b70ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2007f7f26d83b0fb2d04f5557725137c12b790131eb2d2af03a4c353cb7b70ff", kill_on_drop: false }`
[INFO] [stdout] 2007f7f26d83b0fb2d04f5557725137c12b790131eb2d2af03a4c353cb7b70ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 74ccab2b8dae704cbd2ce5f0b79d7bc43dd578b1130b00f77e2bd886e54dc424
[INFO] running `Command { std: "docker" "start" "-a" "74ccab2b8dae704cbd2ce5f0b79d7bc43dd578b1130b00f77e2bd886e54dc424", kill_on_drop: false }`
[INFO] [stderr]    Compiling andromeda v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "74ccab2b8dae704cbd2ce5f0b79d7bc43dd578b1130b00f77e2bd886e54dc424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ccab2b8dae704cbd2ce5f0b79d7bc43dd578b1130b00f77e2bd886e54dc424", kill_on_drop: false }`
[INFO] [stdout] 74ccab2b8dae704cbd2ce5f0b79d7bc43dd578b1130b00f77e2bd886e54dc424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 36672f2ff826875d578e84a56e64dd246dd7c9d3115d47a2a3c02fc4ab26cf9f
[INFO] running `Command { std: "docker" "start" "-a" "36672f2ff826875d578e84a56e64dd246dd7c9d3115d47a2a3c02fc4ab26cf9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/andromeda-5724bf0cd1766b37)
[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" "36672f2ff826875d578e84a56e64dd246dd7c9d3115d47a2a3c02fc4ab26cf9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36672f2ff826875d578e84a56e64dd246dd7c9d3115d47a2a3c02fc4ab26cf9f", kill_on_drop: false }`
[INFO] [stdout] 36672f2ff826875d578e84a56e64dd246dd7c9d3115d47a2a3c02fc4ab26cf9f