[INFO] cloning repository https://github.com/NavyD/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NavyD/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cd31fea05f740c312966178d258a544d62eae2d
[INFO] checking NavyD/leetcode-rust against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust" "/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/NavyD/leetcode-rust on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] finished tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/NavyD/leetcode-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded leetcode_test v0.1.2
[INFO] [stderr]   Downloaded leetcode_prelude v0.2.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 317a6c988dd67174c3d6eea28f53e3849d6dafccc52a6560bfe1a3ede5bde8b0
[INFO] running `Command { std: "docker" "start" "-a" "317a6c988dd67174c3d6eea28f53e3849d6dafccc52a6560bfe1a3ede5bde8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317a6c988dd67174c3d6eea28f53e3849d6dafccc52a6560bfe1a3ede5bde8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317a6c988dd67174c3d6eea28f53e3849d6dafccc52a6560bfe1a3ede5bde8b0", kill_on_drop: false }`
[INFO] [stdout] 317a6c988dd67174c3d6eea28f53e3849d6dafccc52a6560bfe1a3ede5bde8b0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41feca48290e8f71490fb567e192b80c3b2da250e14c6fd56ea46cd26b537e34
[INFO] running `Command { std: "docker" "start" "-a" "41feca48290e8f71490fb567e192b80c3b2da250e14c6fd56ea46cd26b537e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling leetcode_test v0.1.2
[INFO] [stderr]     Checking leetcode_prelude v0.2.3
[INFO] [stderr]     Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "41feca48290e8f71490fb567e192b80c3b2da250e14c6fd56ea46cd26b537e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41feca48290e8f71490fb567e192b80c3b2da250e14c6fd56ea46cd26b537e34", kill_on_drop: false }`
[INFO] [stdout] 41feca48290e8f71490fb567e192b80c3b2da250e14c6fd56ea46cd26b537e34