[INFO] cloning repository https://github.com/pgcrooks/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pgcrooks/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48efb97057892db771903e2a95efd6b8f4203c5d
[INFO] checking pgcrooks/rust_learn against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pgcrooks/rust_learn on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pgcrooks/rust_learn
[INFO] finished tweaking git repo https://github.com/pgcrooks/rust_learn
[INFO] tweaked toml for git repo https://github.com/pgcrooks/rust_learn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pgcrooks/rust_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e513aea5d64367db8d0507e281a790db2e580e1dd7f15342fc0d02091085ba1
[INFO] running `Command { std: "docker" "start" "-a" "5e513aea5d64367db8d0507e281a790db2e580e1dd7f15342fc0d02091085ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e513aea5d64367db8d0507e281a790db2e580e1dd7f15342fc0d02091085ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e513aea5d64367db8d0507e281a790db2e580e1dd7f15342fc0d02091085ba1", kill_on_drop: false }`
[INFO] [stdout] 5e513aea5d64367db8d0507e281a790db2e580e1dd7f15342fc0d02091085ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf29edf1266eb69174d32db39aa89aa399f35d52d592db894d504b51ba68a66
[INFO] running `Command { std: "docker" "start" "-a" "daf29edf1266eb69174d32db39aa89aa399f35d52d592db894d504b51ba68a66", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "daf29edf1266eb69174d32db39aa89aa399f35d52d592db894d504b51ba68a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf29edf1266eb69174d32db39aa89aa399f35d52d592db894d504b51ba68a66", kill_on_drop: false }`
[INFO] [stdout] daf29edf1266eb69174d32db39aa89aa399f35d52d592db894d504b51ba68a66