[INFO] cloning repository https://github.com/MurphyWZhu/muLeetCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MurphyWZhu/muLeetCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurphyWZhu%2FmuLeetCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurphyWZhu%2FmuLeetCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48795672bc893a975f188de314538d75159420c6
[INFO] checking MurphyWZhu/muLeetCode against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurphyWZhu%2FmuLeetCode" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MurphyWZhu/muLeetCode on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MurphyWZhu/muLeetCode
[INFO] finished tweaking git repo https://github.com/MurphyWZhu/muLeetCode
[INFO] tweaked toml for git repo https://github.com/MurphyWZhu/muLeetCode written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/MurphyWZhu/muLeetCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad56be053df3d9a5b3fc34191fcc7810a5173a95d04c5aa73ec37170c1a23ea
[INFO] running `Command { std: "docker" "start" "-a" "3ad56be053df3d9a5b3fc34191fcc7810a5173a95d04c5aa73ec37170c1a23ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad56be053df3d9a5b3fc34191fcc7810a5173a95d04c5aa73ec37170c1a23ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad56be053df3d9a5b3fc34191fcc7810a5173a95d04c5aa73ec37170c1a23ea", kill_on_drop: false }`
[INFO] [stdout] 3ad56be053df3d9a5b3fc34191fcc7810a5173a95d04c5aa73ec37170c1a23ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41bb7e2c7b72420d6fc6392218c06424404cc38f6ec7a3462ca161ed9a59eb8
[INFO] running `Command { std: "docker" "start" "-a" "f41bb7e2c7b72420d6fc6392218c06424404cc38f6ec7a3462ca161ed9a59eb8", kill_on_drop: false }`
[INFO] [stderr]     Checking muLeetCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `muLeetCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_leet_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `muLeetCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_leet_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f41bb7e2c7b72420d6fc6392218c06424404cc38f6ec7a3462ca161ed9a59eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41bb7e2c7b72420d6fc6392218c06424404cc38f6ec7a3462ca161ed9a59eb8", kill_on_drop: false }`
[INFO] [stdout] f41bb7e2c7b72420d6fc6392218c06424404cc38f6ec7a3462ca161ed9a59eb8