[INFO] cloning repository https://github.com/tanakakz/DailyCodingProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tanakakz/DailyCodingProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanakakz%2FDailyCodingProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanakakz%2FDailyCodingProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 467514537b42843af9246e7798edda1715c80749
[INFO] testing tanakakz/DailyCodingProblem against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanakakz%2FDailyCodingProblem" "/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/tanakakz/DailyCodingProblem 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/tanakakz/DailyCodingProblem
[INFO] finished tweaking git repo https://github.com/tanakakz/DailyCodingProblem
[INFO] tweaked toml for git repo https://github.com/tanakakz/DailyCodingProblem written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/tanakakz/DailyCodingProblem 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 689c44af0a9a111569b80654721d81c0cd568a321f13a62aba2fe3affc59a5cb
[INFO] running `Command { std: "docker" "start" "-a" "689c44af0a9a111569b80654721d81c0cd568a321f13a62aba2fe3affc59a5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689c44af0a9a111569b80654721d81c0cd568a321f13a62aba2fe3affc59a5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689c44af0a9a111569b80654721d81c0cd568a321f13a62aba2fe3affc59a5cb", kill_on_drop: false }`
[INFO] [stdout] 689c44af0a9a111569b80654721d81c0cd568a321f13a62aba2fe3affc59a5cb
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c24c5a48a9da6a469c75803a3c0a05082c58942bd3becdfabb1585851fb596
[INFO] running `Command { std: "docker" "start" "-a" "10c24c5a48a9da6a469c75803a3c0a05082c58942bd3becdfabb1585851fb596", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proconio v0.4.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling daily_coding_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "10c24c5a48a9da6a469c75803a3c0a05082c58942bd3becdfabb1585851fb596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c24c5a48a9da6a469c75803a3c0a05082c58942bd3becdfabb1585851fb596", kill_on_drop: false }`
[INFO] [stdout] 10c24c5a48a9da6a469c75803a3c0a05082c58942bd3becdfabb1585851fb596
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ba51f4104c8fb8267110e8ab9258ef1e8e2911b73426dd0a47288761b26919
[INFO] running `Command { std: "docker" "start" "-a" "41ba51f4104c8fb8267110e8ab9258ef1e8e2911b73426dd0a47288761b26919", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling daily_coding_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.46s
[INFO] running `Command { std: "docker" "inspect" "41ba51f4104c8fb8267110e8ab9258ef1e8e2911b73426dd0a47288761b26919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ba51f4104c8fb8267110e8ab9258ef1e8e2911b73426dd0a47288761b26919", kill_on_drop: false }`
[INFO] [stdout] 41ba51f4104c8fb8267110e8ab9258ef1e8e2911b73426dd0a47288761b26919
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0d29b5e4acdad5561ed6c52489a3394c0aaa75c12445b3e989b5a06047f560d
[INFO] running `Command { std: "docker" "start" "-a" "f0d29b5e4acdad5561ed6c52489a3394c0aaa75c12445b3e989b5a06047f560d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/daily_coding_problem-a9776bcabe605209)
[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" "f0d29b5e4acdad5561ed6c52489a3394c0aaa75c12445b3e989b5a06047f560d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d29b5e4acdad5561ed6c52489a3394c0aaa75c12445b3e989b5a06047f560d", kill_on_drop: false }`
[INFO] [stdout] f0d29b5e4acdad5561ed6c52489a3394c0aaa75c12445b3e989b5a06047f560d