[INFO] cloning repository https://github.com/caijiwcl/lesson4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caijiwcl/lesson4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaijiwcl%2Flesson4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaijiwcl%2Flesson4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d42d8e74dd443a76a4aedf71b02b27437b11ce55
[INFO] testing caijiwcl/lesson4 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaijiwcl%2Flesson4" "/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/caijiwcl/lesson4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caijiwcl/lesson4
[INFO] finished tweaking git repo https://github.com/caijiwcl/lesson4
[INFO] tweaked toml for git repo https://github.com/caijiwcl/lesson4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/caijiwcl/lesson4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939e674514e622f59f4f5bcc4b90001d28e41c38b3d1b7c64c5c13116a9cf51b
[INFO] running `Command { std: "docker" "start" "-a" "939e674514e622f59f4f5bcc4b90001d28e41c38b3d1b7c64c5c13116a9cf51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939e674514e622f59f4f5bcc4b90001d28e41c38b3d1b7c64c5c13116a9cf51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939e674514e622f59f4f5bcc4b90001d28e41c38b3d1b7c64c5c13116a9cf51b", kill_on_drop: false }`
[INFO] [stdout] 939e674514e622f59f4f5bcc4b90001d28e41c38b3d1b7c64c5c13116a9cf51b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559204c8a78019098073201c3abe24e81398626e9777cebe89c0ee6cb5967a82
[INFO] running `Command { std: "docker" "start" "-a" "559204c8a78019098073201c3abe24e81398626e9777cebe89c0ee6cb5967a82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lesson4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "559204c8a78019098073201c3abe24e81398626e9777cebe89c0ee6cb5967a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559204c8a78019098073201c3abe24e81398626e9777cebe89c0ee6cb5967a82", kill_on_drop: false }`
[INFO] [stdout] 559204c8a78019098073201c3abe24e81398626e9777cebe89c0ee6cb5967a82
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac8f7a764fc0a51f0afd75ea8e8f5f9c29207960d84fad9bcde98cb1a760343
[INFO] running `Command { std: "docker" "start" "-a" "eac8f7a764fc0a51f0afd75ea8e8f5f9c29207960d84fad9bcde98cb1a760343", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "eac8f7a764fc0a51f0afd75ea8e8f5f9c29207960d84fad9bcde98cb1a760343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac8f7a764fc0a51f0afd75ea8e8f5f9c29207960d84fad9bcde98cb1a760343", kill_on_drop: false }`
[INFO] [stdout] eac8f7a764fc0a51f0afd75ea8e8f5f9c29207960d84fad9bcde98cb1a760343
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65a459a972dc115743e166985682bb857b641d1172a268c7c3b6f73c794b64fa
[INFO] running `Command { std: "docker" "start" "-a" "65a459a972dc115743e166985682bb857b641d1172a268c7c3b6f73c794b64fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lesson4-c8e1d52e1b76cef3)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lesson4-d5e1aa39bb3efef7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lesson4
[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] [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" "65a459a972dc115743e166985682bb857b641d1172a268c7c3b6f73c794b64fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a459a972dc115743e166985682bb857b641d1172a268c7c3b6f73c794b64fa", kill_on_drop: false }`
[INFO] [stdout] 65a459a972dc115743e166985682bb857b641d1172a268c7c3b6f73c794b64fa