[INFO] cloning repository https://github.com/yl4869/learnrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yl4869/learnrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyl4869%2Flearnrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyl4869%2Flearnrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1bef0c2f11d38fe3c002d7dbfff25a0a32f18ac
[INFO] checking yl4869/learnrust against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyl4869%2Flearnrust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yl4869/learnrust on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yl4869/learnrust
[INFO] finished tweaking git repo https://github.com/yl4869/learnrust
[INFO] tweaked toml for git repo https://github.com/yl4869/learnrust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yl4869/learnrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9a02bc092519b4332cf05125e64552b37e61868a350b261a13a56fdfebaf9ae
[INFO] running `Command { std: "docker" "start" "-a" "f9a02bc092519b4332cf05125e64552b37e61868a350b261a13a56fdfebaf9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a02bc092519b4332cf05125e64552b37e61868a350b261a13a56fdfebaf9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a02bc092519b4332cf05125e64552b37e61868a350b261a13a56fdfebaf9ae", kill_on_drop: false }`
[INFO] [stdout] f9a02bc092519b4332cf05125e64552b37e61868a350b261a13a56fdfebaf9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f24be6c8f806a7da4df5fbcfbed716b1efad87c3b319895efb1aa5ee2a0d64c7
[INFO] running `Command { std: "docker" "start" "-a" "f24be6c8f806a7da4df5fbcfbed716b1efad87c3b319895efb1aa5ee2a0d64c7", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f24be6c8f806a7da4df5fbcfbed716b1efad87c3b319895efb1aa5ee2a0d64c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24be6c8f806a7da4df5fbcfbed716b1efad87c3b319895efb1aa5ee2a0d64c7", kill_on_drop: false }`
[INFO] [stdout] f24be6c8f806a7da4df5fbcfbed716b1efad87c3b319895efb1aa5ee2a0d64c7