[INFO] cloning repository https://github.com/jgergo/rust_by_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgergo/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgergo%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgergo%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 039a3863379aa35c1841bd7d52cd518fda9d03fa
[INFO] checking jgergo/rust_by_example against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgergo%2Frust_by_example" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgergo/rust_by_example on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgergo/rust_by_example
[INFO] finished tweaking git repo https://github.com/jgergo/rust_by_example
[INFO] tweaked toml for git repo https://github.com/jgergo/rust_by_example written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/jgergo/rust_by_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc211eae2899758ddfc67b4d73455562956d2ed5ec231a21d28d5f21bcfb861
[INFO] running `Command { std: "docker" "start" "-a" "bdc211eae2899758ddfc67b4d73455562956d2ed5ec231a21d28d5f21bcfb861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc211eae2899758ddfc67b4d73455562956d2ed5ec231a21d28d5f21bcfb861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc211eae2899758ddfc67b4d73455562956d2ed5ec231a21d28d5f21bcfb861", kill_on_drop: false }`
[INFO] [stdout] bdc211eae2899758ddfc67b4d73455562956d2ed5ec231a21d28d5f21bcfb861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0145ed6d210f73b5b24a7daa016c9fe1e733e0add94e8ae49090b357c8a749d1
[INFO] running `Command { std: "docker" "start" "-a" "0145ed6d210f73b5b24a7daa016c9fe1e733e0add94e8ae49090b357c8a749d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "0145ed6d210f73b5b24a7daa016c9fe1e733e0add94e8ae49090b357c8a749d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0145ed6d210f73b5b24a7daa016c9fe1e733e0add94e8ae49090b357c8a749d1", kill_on_drop: false }`
[INFO] [stdout] 0145ed6d210f73b5b24a7daa016c9fe1e733e0add94e8ae49090b357c8a749d1