[INFO] cloning repository https://github.com/howeih/Day-31-Z-algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-31-Z-algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-31-Z-algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-31-Z-algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fa486b383854864c1be38e93f1bbe10f97d2b2f
[INFO] testing howeih/Day-31-Z-algorithm against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-31-Z-algorithm" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-31-Z-algorithm on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-31-Z-algorithm
[INFO] finished tweaking git repo https://github.com/howeih/Day-31-Z-algorithm
[INFO] tweaked toml for git repo https://github.com/howeih/Day-31-Z-algorithm written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-31-Z-algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2912c1f6f0e236c7f197b2f33444ebb8883bcb13f57f19a78443a2b5108ef02e
[INFO] running `Command { std: "docker" "start" "-a" "2912c1f6f0e236c7f197b2f33444ebb8883bcb13f57f19a78443a2b5108ef02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2912c1f6f0e236c7f197b2f33444ebb8883bcb13f57f19a78443a2b5108ef02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2912c1f6f0e236c7f197b2f33444ebb8883bcb13f57f19a78443a2b5108ef02e", kill_on_drop: false }`
[INFO] [stdout] 2912c1f6f0e236c7f197b2f33444ebb8883bcb13f57f19a78443a2b5108ef02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0894f1c458f76a67ace7359befaface411c25a6b0d1079f324920c5c400d84a3
[INFO] running `Command { std: "docker" "start" "-a" "0894f1c458f76a67ace7359befaface411c25a6b0d1079f324920c5c400d84a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling z_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "0894f1c458f76a67ace7359befaface411c25a6b0d1079f324920c5c400d84a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0894f1c458f76a67ace7359befaface411c25a6b0d1079f324920c5c400d84a3", kill_on_drop: false }`
[INFO] [stdout] 0894f1c458f76a67ace7359befaface411c25a6b0d1079f324920c5c400d84a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feed57cf7d2299dcf95ee5817fa597edb4b0de45ea5afa95027645e7fd4f06cd
[INFO] running `Command { std: "docker" "start" "-a" "feed57cf7d2299dcf95ee5817fa597edb4b0de45ea5afa95027645e7fd4f06cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling z_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "feed57cf7d2299dcf95ee5817fa597edb4b0de45ea5afa95027645e7fd4f06cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feed57cf7d2299dcf95ee5817fa597edb4b0de45ea5afa95027645e7fd4f06cd", kill_on_drop: false }`
[INFO] [stdout] feed57cf7d2299dcf95ee5817fa597edb4b0de45ea5afa95027645e7fd4f06cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9beddbeaae528cc7555d5d2e1abd93b117d44ae443c5d6d64cdf762df69ca7dd
[INFO] running `Command { std: "docker" "start" "-a" "9beddbeaae528cc7555d5d2e1abd93b117d44ae443c5d6d64cdf762df69ca7dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/z_algo-54c4a859c9691c66)
[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" "9beddbeaae528cc7555d5d2e1abd93b117d44ae443c5d6d64cdf762df69ca7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9beddbeaae528cc7555d5d2e1abd93b117d44ae443c5d6d64cdf762df69ca7dd", kill_on_drop: false }`
[INFO] [stdout] 9beddbeaae528cc7555d5d2e1abd93b117d44ae443c5d6d64cdf762df69ca7dd