[INFO] cloning repository https://github.com/Thodin/rust-loops-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thodin/rust-loops-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThodin%2Frust-loops-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThodin%2Frust-loops-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 678af4e8b97d8f0866b34797544a6e36bc2ecfde
[INFO] checking Thodin/rust-loops-benchmark against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThodin%2Frust-loops-benchmark" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thodin/rust-loops-benchmark on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Thodin/rust-loops-benchmark
[INFO] finished tweaking git repo https://github.com/Thodin/rust-loops-benchmark
[INFO] tweaked toml for git repo https://github.com/Thodin/rust-loops-benchmark written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Thodin/rust-loops-benchmark 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Thodin/rust-loops-benchmark against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThodin%2Frust-loops-benchmark" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thodin/rust-loops-benchmark on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Thodin/rust-loops-benchmark
[INFO] finished tweaking git repo https://github.com/Thodin/rust-loops-benchmark
[INFO] tweaked toml for git repo https://github.com/Thodin/rust-loops-benchmark written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Thodin/rust-loops-benchmark 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.5.1
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77c051764962eed856d3c46b4813137f36b190fbfbe102843d0c4da76480150f
[INFO] running `Command { std: "docker" "start" "-a" "77c051764962eed856d3c46b4813137f36b190fbfbe102843d0c4da76480150f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77c051764962eed856d3c46b4813137f36b190fbfbe102843d0c4da76480150f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c051764962eed856d3c46b4813137f36b190fbfbe102843d0c4da76480150f", kill_on_drop: false }`
[INFO] [stdout] 77c051764962eed856d3c46b4813137f36b190fbfbe102843d0c4da76480150f
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 286a71204b8234e95a9b1807dcafea1bcda200c0423517db8b6894973ac2e5bd
[INFO] running `Command { std: "docker" "start" "-a" "286a71204b8234e95a9b1807dcafea1bcda200c0423517db8b6894973ac2e5bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking volatile v0.5.1
[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]     Checking guide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "286a71204b8234e95a9b1807dcafea1bcda200c0423517db8b6894973ac2e5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286a71204b8234e95a9b1807dcafea1bcda200c0423517db8b6894973ac2e5bd", kill_on_drop: false }`
[INFO] [stdout] 286a71204b8234e95a9b1807dcafea1bcda200c0423517db8b6894973ac2e5bd