[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] checking tanakakz/DailyCodingProblem against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanakakz%2FDailyCodingProblem" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tanakakz/DailyCodingProblem on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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-4/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.4.1
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa46d427f198a21c37d41ca6e265b7c81326ef6b56019e1014c71cbbf5ef168
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4aa46d427f198a21c37d41ca6e265b7c81326ef6b56019e1014c71cbbf5ef168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa46d427f198a21c37d41ca6e265b7c81326ef6b56019e1014c71cbbf5ef168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa46d427f198a21c37d41ca6e265b7c81326ef6b56019e1014c71cbbf5ef168", kill_on_drop: false }`
[INFO] [stdout] 4aa46d427f198a21c37d41ca6e265b7c81326ef6b56019e1014c71cbbf5ef168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c5702de5061d899161046f4ae47e0f17dd2c4499142020447d20ca35ec8f00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77c5702de5061d899161046f4ae47e0f17dd2c4499142020447d20ca35ec8f00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking proconio v0.4.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking daily_coding_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "77c5702de5061d899161046f4ae47e0f17dd2c4499142020447d20ca35ec8f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c5702de5061d899161046f4ae47e0f17dd2c4499142020447d20ca35ec8f00", kill_on_drop: false }`
[INFO] [stdout] 77c5702de5061d899161046f4ae47e0f17dd2c4499142020447d20ca35ec8f00