[INFO] cloning repository https://github.com/nestorivan/rust-borrowing-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nestorivan/rust-borrowing-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnestorivan%2Frust-borrowing-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnestorivan%2Frust-borrowing-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62979893e09433569e61353b416383660006b456
[INFO] checking nestorivan/rust-borrowing-exercises against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnestorivan%2Frust-borrowing-exercises" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nestorivan/rust-borrowing-exercises
[INFO] finished tweaking git repo https://github.com/nestorivan/rust-borrowing-exercises
[INFO] tweaked toml for git repo https://github.com/nestorivan/rust-borrowing-exercises written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nestorivan/rust-borrowing-exercises on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nestorivan/rust-borrowing-exercises 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51e88ffc4f6c5a9391e152dbae8fc98e3bd2502fcf0e68cac33e8684039a9c4e
[INFO] running `Command { std: "docker" "start" "-a" "51e88ffc4f6c5a9391e152dbae8fc98e3bd2502fcf0e68cac33e8684039a9c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e88ffc4f6c5a9391e152dbae8fc98e3bd2502fcf0e68cac33e8684039a9c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e88ffc4f6c5a9391e152dbae8fc98e3bd2502fcf0e68cac33e8684039a9c4e", kill_on_drop: false }`
[INFO] [stdout] 51e88ffc4f6c5a9391e152dbae8fc98e3bd2502fcf0e68cac33e8684039a9c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7cbe88584c4e312ce288b0b3f39129fa56365679032f85e37d86f222f1972e
[INFO] running `Command { std: "docker" "start" "-a" "aa7cbe88584c4e312ce288b0b3f39129fa56365679032f85e37d86f222f1972e", kill_on_drop: false }`
[INFO] [stderr]     Checking borrowing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "aa7cbe88584c4e312ce288b0b3f39129fa56365679032f85e37d86f222f1972e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7cbe88584c4e312ce288b0b3f39129fa56365679032f85e37d86f222f1972e", kill_on_drop: false }`
[INFO] [stdout] aa7cbe88584c4e312ce288b0b3f39129fa56365679032f85e37d86f222f1972e