[INFO] cloning repository https://github.com/mimamulhassankhan/rust_leet_code_practices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimamulhassankhan/rust_leet_code_practices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimamulhassankhan%2Frust_leet_code_practices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimamulhassankhan%2Frust_leet_code_practices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f398526854d8abf08db7baaa00726d28bf896d6a
[INFO] checking mimamulhassankhan/rust_leet_code_practices against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimamulhassankhan%2Frust_leet_code_practices" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimamulhassankhan/rust_leet_code_practices on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mimamulhassankhan/rust_leet_code_practices
[INFO] finished tweaking git repo https://github.com/mimamulhassankhan/rust_leet_code_practices
[INFO] tweaked toml for git repo https://github.com/mimamulhassankhan/rust_leet_code_practices written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mimamulhassankhan/rust_leet_code_practices 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da8395e13e280b2cc70e578cf2fd1f637adfdc6d61269969d921aa2d94a97b9
[INFO] running `Command { std: "docker" "start" "-a" "5da8395e13e280b2cc70e578cf2fd1f637adfdc6d61269969d921aa2d94a97b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da8395e13e280b2cc70e578cf2fd1f637adfdc6d61269969d921aa2d94a97b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da8395e13e280b2cc70e578cf2fd1f637adfdc6d61269969d921aa2d94a97b9", kill_on_drop: false }`
[INFO] [stdout] 5da8395e13e280b2cc70e578cf2fd1f637adfdc6d61269969d921aa2d94a97b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cb508d633378df26e4a70271c7c71ff40b30563f940ea05ff4e0b4a45989bb
[INFO] running `Command { std: "docker" "start" "-a" "d7cb508d633378df26e4a70271c7c71ff40b30563f940ea05ff4e0b4a45989bb", kill_on_drop: false }`
[INFO] [stderr]     Checking leet_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "d7cb508d633378df26e4a70271c7c71ff40b30563f940ea05ff4e0b4a45989bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cb508d633378df26e4a70271c7c71ff40b30563f940ea05ff4e0b4a45989bb", kill_on_drop: false }`
[INFO] [stdout] d7cb508d633378df26e4a70271c7c71ff40b30563f940ea05ff4e0b4a45989bb