[INFO] cloning repository https://github.com/shuntaroy/NLP100Ex2020r2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shuntaroy/NLP100Ex2020r2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuntaroy%2FNLP100Ex2020r2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuntaroy%2FNLP100Ex2020r2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16201ed1d4c8acfe02d5153c8b635bafa900dc17
[INFO] checking shuntaroy/NLP100Ex2020r2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuntaroy%2FNLP100Ex2020r2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shuntaroy/NLP100Ex2020r2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shuntaroy/NLP100Ex2020r2
[INFO] finished tweaking git repo https://github.com/shuntaroy/NLP100Ex2020r2
[INFO] tweaked toml for git repo https://github.com/shuntaroy/NLP100Ex2020r2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shuntaroy/NLP100Ex2020r2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef5494847f5dfd74efeccbf44e5294633416ac2e5e478f99a08d05e03c50f0cd
[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" "ef5494847f5dfd74efeccbf44e5294633416ac2e5e478f99a08d05e03c50f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5494847f5dfd74efeccbf44e5294633416ac2e5e478f99a08d05e03c50f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5494847f5dfd74efeccbf44e5294633416ac2e5e478f99a08d05e03c50f0cd", kill_on_drop: false }`
[INFO] [stdout] ef5494847f5dfd74efeccbf44e5294633416ac2e5e478f99a08d05e03c50f0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c2d45e540d268c1ba08d1534d9060a77f912703a5bad63ed6b1b0e6c4d9cc3
[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" "37c2d45e540d268c1ba08d1534d9060a77f912703a5bad63ed6b1b0e6c4d9cc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nlp100ex2020r2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "37c2d45e540d268c1ba08d1534d9060a77f912703a5bad63ed6b1b0e6c4d9cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c2d45e540d268c1ba08d1534d9060a77f912703a5bad63ed6b1b0e6c4d9cc3", kill_on_drop: false }`
[INFO] [stdout] 37c2d45e540d268c1ba08d1534d9060a77f912703a5bad63ed6b1b0e6c4d9cc3