[INFO] cloning repository https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zea7ot/leetcode_solutions_rust_zea7ot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5575a0171cfed6be0922d9a6974840be6083c432
[INFO] checking zea7ot/leetcode_solutions_rust_zea7ot/5575a0171cfed6be0922d9a6974840be6083c432 against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] finished tweaking git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] tweaked toml for git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b13c5d6efc76dc6dcbe7e3914c6744488378e0dbf7cae99d0fa0aa9b182a87
[INFO] running `Command { std: "docker" "start" "-a" "71b13c5d6efc76dc6dcbe7e3914c6744488378e0dbf7cae99d0fa0aa9b182a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b13c5d6efc76dc6dcbe7e3914c6744488378e0dbf7cae99d0fa0aa9b182a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b13c5d6efc76dc6dcbe7e3914c6744488378e0dbf7cae99d0fa0aa9b182a87", kill_on_drop: false }`
[INFO] [stdout] 71b13c5d6efc76dc6dcbe7e3914c6744488378e0dbf7cae99d0fa0aa9b182a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee94e6ec09a6c3fc031d9b741e2fe0b9f54ad72cdba7ab5a8d3537e6479e64c
[INFO] running `Command { std: "docker" "start" "-a" "4ee94e6ec09a6c3fc031d9b741e2fe0b9f54ad72cdba7ab5a8d3537e6479e64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking lc_soln_rust_leon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 53s
[INFO] running `Command { std: "docker" "inspect" "4ee94e6ec09a6c3fc031d9b741e2fe0b9f54ad72cdba7ab5a8d3537e6479e64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee94e6ec09a6c3fc031d9b741e2fe0b9f54ad72cdba7ab5a8d3537e6479e64c", kill_on_drop: false }`
[INFO] [stdout] 4ee94e6ec09a6c3fc031d9b741e2fe0b9f54ad72cdba7ab5a8d3537e6479e64c