[INFO] cloning repository https://github.com/tule24/Rust_Exercism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tule24/Rust_Exercism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftule24%2FRust_Exercism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftule24%2FRust_Exercism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48c94a9ad3c733b7d8596625bf44fb7925733a24
[INFO] checking tule24/Rust_Exercism against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftule24%2FRust_Exercism" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tule24/Rust_Exercism on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tule24/Rust_Exercism
[INFO] finished tweaking git repo https://github.com/tule24/Rust_Exercism
[INFO] tweaked toml for git repo https://github.com/tule24/Rust_Exercism written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tule24/Rust_Exercism already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8734a949c12a5c8c8adc2f6a125093b68c8abbd63994cf8a2e8c0c31032366f5
[INFO] running `Command { std: "docker" "start" "-a" "8734a949c12a5c8c8adc2f6a125093b68c8abbd63994cf8a2e8c0c31032366f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8734a949c12a5c8c8adc2f6a125093b68c8abbd63994cf8a2e8c0c31032366f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8734a949c12a5c8c8adc2f6a125093b68c8abbd63994cf8a2e8c0c31032366f5", kill_on_drop: false }`
[INFO] [stdout] 8734a949c12a5c8c8adc2f6a125093b68c8abbd63994cf8a2e8c0c31032366f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94358fb9ff161bfc1305d65901002fb6ff787792f857df685376fc22734f8dfc
[INFO] running `Command { std: "docker" "start" "-a" "94358fb9ff161bfc1305d65901002fb6ff787792f857df685376fc22734f8dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking exercism v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "94358fb9ff161bfc1305d65901002fb6ff787792f857df685376fc22734f8dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94358fb9ff161bfc1305d65901002fb6ff787792f857df685376fc22734f8dfc", kill_on_drop: false }`
[INFO] [stdout] 94358fb9ff161bfc1305d65901002fb6ff787792f857df685376fc22734f8dfc