[INFO] cloning repository https://github.com/mingchiuli/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingchiuli/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingchiuli%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingchiuli%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c60104c73be0891c925007372bbb8b9f03282131
[INFO] checking mingchiuli/algorithm against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingchiuli%2Falgorithm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mingchiuli/algorithm
[INFO] finished tweaking git repo https://github.com/mingchiuli/algorithm
[INFO] tweaked toml for git repo https://github.com/mingchiuli/algorithm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mingchiuli/algorithm on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mingchiuli/algorithm 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mingchiuli/algorithm against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingchiuli%2Falgorithm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mingchiuli/algorithm
[INFO] finished tweaking git repo https://github.com/mingchiuli/algorithm
[INFO] tweaked toml for git repo https://github.com/mingchiuli/algorithm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mingchiuli/algorithm on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mingchiuli/algorithm 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cacc46277c780d339472bf972b1d5ff8947b9d684c5b9b484fcf8effdbb6c247
[INFO] running `Command { std: "docker" "start" "-a" "cacc46277c780d339472bf972b1d5ff8947b9d684c5b9b484fcf8effdbb6c247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cacc46277c780d339472bf972b1d5ff8947b9d684c5b9b484fcf8effdbb6c247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cacc46277c780d339472bf972b1d5ff8947b9d684c5b9b484fcf8effdbb6c247", kill_on_drop: false }`
[INFO] [stdout] cacc46277c780d339472bf972b1d5ff8947b9d684c5b9b484fcf8effdbb6c247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27f7d0dc02b50cf7b339b07bd1892ab0183f1cb3b357d85c2300ba02158af70a
[INFO] running `Command { std: "docker" "start" "-a" "27f7d0dc02b50cf7b339b07bd1892ab0183f1cb3b357d85c2300ba02158af70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking leetcode_27_lib v0.1.0 (/opt/rustwide/workdir/leetcode_27_lib)
[INFO] [stderr]     Checking leetcode_88_lib v0.1.0 (/opt/rustwide/workdir/leetcode_88_lib)
[INFO] [stderr]     Checking leetcode_169 v0.1.0 (/opt/rustwide/workdir/leetcode_169)
[INFO] [stderr]     Checking leetcode_189 v0.1.0 (/opt/rustwide/workdir/leetcode_189)
[INFO] [stderr]     Checking lc_45 v0.1.0 (/opt/rustwide/workdir/lc_45)
[INFO] [stderr]     Checking lc_274 v0.1.0 (/opt/rustwide/workdir/lc_274)
[INFO] [stderr]     Checking leetcode_26 v0.1.0 (/opt/rustwide/workdir/leetcode_26)
[INFO] [stderr]     Checking lc_55 v0.1.0 (/opt/rustwide/workdir/lc_55)
[INFO] [stderr]     Checking leetcode_122 v0.1.0 (/opt/rustwide/workdir/leetcode_122)
[INFO] [stderr]     Checking leetcode_88 v0.1.0 (/opt/rustwide/workdir/leetcode_88)
[INFO] [stderr]     Checking leetcode_27 v0.1.0 (/opt/rustwide/workdir/leetcode_27)
[INFO] [stderr]     Checking leetcode_80 v0.1.0 (/opt/rustwide/workdir/leetcode_80)
[INFO] [stderr]     Checking leetcode_121 v0.1.0 (/opt/rustwide/workdir/leetcode_121)
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lc_380 v0.1.0 (/opt/rustwide/workdir/lc_380)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "27f7d0dc02b50cf7b339b07bd1892ab0183f1cb3b357d85c2300ba02158af70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f7d0dc02b50cf7b339b07bd1892ab0183f1cb3b357d85c2300ba02158af70a", kill_on_drop: false }`
[INFO] [stdout] 27f7d0dc02b50cf7b339b07bd1892ab0183f1cb3b357d85c2300ba02158af70a