[INFO] cloning repository https://github.com/amm834/rust-lang-the-complete-beginner-guide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amm834/rust-lang-the-complete-beginner-guide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famm834%2Frust-lang-the-complete-beginner-guide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famm834%2Frust-lang-the-complete-beginner-guide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98b2b4122576b91f49377b1f74cab28e3d0c94e5
[INFO] checking amm834/rust-lang-the-complete-beginner-guide against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famm834%2Frust-lang-the-complete-beginner-guide" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amm834/rust-lang-the-complete-beginner-guide 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/amm834/rust-lang-the-complete-beginner-guide
[INFO] finished tweaking git repo https://github.com/amm834/rust-lang-the-complete-beginner-guide
[INFO] tweaked toml for git repo https://github.com/amm834/rust-lang-the-complete-beginner-guide written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/amm834/rust-lang-the-complete-beginner-guide 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b3ecc3ccc307a2997517bf265e73903eeae14b5404fc11f14ceb22fa34fd7a
[INFO] running `Command { std: "docker" "start" "-a" "42b3ecc3ccc307a2997517bf265e73903eeae14b5404fc11f14ceb22fa34fd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b3ecc3ccc307a2997517bf265e73903eeae14b5404fc11f14ceb22fa34fd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b3ecc3ccc307a2997517bf265e73903eeae14b5404fc11f14ceb22fa34fd7a", kill_on_drop: false }`
[INFO] [stdout] 42b3ecc3ccc307a2997517bf265e73903eeae14b5404fc11f14ceb22fa34fd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ef7f98b0a3bc70e84b24f7ddbfa9b8248d5ce6915bb628c4e62f871ef83863
[INFO] running `Command { std: "docker" "start" "-a" "92ef7f98b0a3bc70e84b24f7ddbfa9b8248d5ce6915bb628c4e62f871ef83863", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rust-lang-the-complete-beginner-guide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "92ef7f98b0a3bc70e84b24f7ddbfa9b8248d5ce6915bb628c4e62f871ef83863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ef7f98b0a3bc70e84b24f7ddbfa9b8248d5ce6915bb628c4e62f871ef83863", kill_on_drop: false }`
[INFO] [stdout] 92ef7f98b0a3bc70e84b24f7ddbfa9b8248d5ce6915bb628c4e62f871ef83863