[INFO] cloning repository https://github.com/Curti-s/chpt_8_rust_challenge_3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Curti-s/chpt_8_rust_challenge_3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurti-s%2Fchpt_8_rust_challenge_3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurti-s%2Fchpt_8_rust_challenge_3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d49cb9fbee9f8c8ea2b697fbed2baf0356614429
[INFO] testing Curti-s/chpt_8_rust_challenge_3 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurti-s%2Fchpt_8_rust_challenge_3" "/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/Curti-s/chpt_8_rust_challenge_3 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/Curti-s/chpt_8_rust_challenge_3
[INFO] finished tweaking git repo https://github.com/Curti-s/chpt_8_rust_challenge_3
[INFO] tweaked toml for git repo https://github.com/Curti-s/chpt_8_rust_challenge_3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/Curti-s/chpt_8_rust_challenge_3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] bf69e877dc08236716b4b64cb71b38c8a51d70e1173d4396d187a283c3b76bf8
[INFO] running `Command { std: "docker" "start" "-a" "bf69e877dc08236716b4b64cb71b38c8a51d70e1173d4396d187a283c3b76bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf69e877dc08236716b4b64cb71b38c8a51d70e1173d4396d187a283c3b76bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf69e877dc08236716b4b64cb71b38c8a51d70e1173d4396d187a283c3b76bf8", kill_on_drop: false }`
[INFO] [stdout] bf69e877dc08236716b4b64cb71b38c8a51d70e1173d4396d187a283c3b76bf8
[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] 76892730cc5c0d9e8cded1f54a8872863b847ef837d024121b92c303abad42ef
[INFO] running `Command { std: "docker" "start" "-a" "76892730cc5c0d9e8cded1f54a8872863b847ef837d024121b92c303abad42ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling chpt_8_third_rust_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "76892730cc5c0d9e8cded1f54a8872863b847ef837d024121b92c303abad42ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76892730cc5c0d9e8cded1f54a8872863b847ef837d024121b92c303abad42ef", kill_on_drop: false }`
[INFO] [stdout] 76892730cc5c0d9e8cded1f54a8872863b847ef837d024121b92c303abad42ef
[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] 65bce4be7ad8c2815bb9b9298f2e150d0a5e9b7b787033d26d16c872deadf9b3
[INFO] running `Command { std: "docker" "start" "-a" "65bce4be7ad8c2815bb9b9298f2e150d0a5e9b7b787033d26d16c872deadf9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling chpt_8_third_rust_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "65bce4be7ad8c2815bb9b9298f2e150d0a5e9b7b787033d26d16c872deadf9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bce4be7ad8c2815bb9b9298f2e150d0a5e9b7b787033d26d16c872deadf9b3", kill_on_drop: false }`
[INFO] [stdout] 65bce4be7ad8c2815bb9b9298f2e150d0a5e9b7b787033d26d16c872deadf9b3
[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] e1c65875d156b83f2bda4f12476581f912fd0e020250a243697d3e15acefb92b
[INFO] running `Command { std: "docker" "start" "-a" "e1c65875d156b83f2bda4f12476581f912fd0e020250a243697d3e15acefb92b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chpt_8_third_rust_challenge-6c60ed08313deb2f)
[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" "e1c65875d156b83f2bda4f12476581f912fd0e020250a243697d3e15acefb92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c65875d156b83f2bda4f12476581f912fd0e020250a243697d3e15acefb92b", kill_on_drop: false }`
[INFO] [stdout] e1c65875d156b83f2bda4f12476581f912fd0e020250a243697d3e15acefb92b