[INFO] cloning repository https://github.com/skrobchik/braille-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrobchik/braille-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fbraille-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fbraille-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51661be326012f788784d00610fc8676bb1a14fe
[INFO] checking skrobchik/braille-finder against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fbraille-finder" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skrobchik/braille-finder
[INFO] finished tweaking git repo https://github.com/skrobchik/braille-finder
[INFO] tweaked toml for git repo https://github.com/skrobchik/braille-finder written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skrobchik/braille-finder on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skrobchik/braille-finder 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69a2ca9c6b5458a348851207c8cacc8f786ec5f6478c62a7010c2c217d17ae3
[INFO] running `Command { std: "docker" "start" "-a" "f69a2ca9c6b5458a348851207c8cacc8f786ec5f6478c62a7010c2c217d17ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69a2ca9c6b5458a348851207c8cacc8f786ec5f6478c62a7010c2c217d17ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69a2ca9c6b5458a348851207c8cacc8f786ec5f6478c62a7010c2c217d17ae3", kill_on_drop: false }`
[INFO] [stdout] f69a2ca9c6b5458a348851207c8cacc8f786ec5f6478c62a7010c2c217d17ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81f459c5d5db8b27afa618899e878e121061c46a37461093b9b210505cb911ba
[INFO] running `Command { std: "docker" "start" "-a" "81f459c5d5db8b27afa618899e878e121061c46a37461093b9b210505cb911ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking braille-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "81f459c5d5db8b27afa618899e878e121061c46a37461093b9b210505cb911ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f459c5d5db8b27afa618899e878e121061c46a37461093b9b210505cb911ba", kill_on_drop: false }`
[INFO] [stdout] 81f459c5d5db8b27afa618899e878e121061c46a37461093b9b210505cb911ba