[INFO] cloning repository https://github.com/nanmu42/guess-number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanmu42/guess-number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fguess-number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fguess-number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33eab8c813c4644621745682ec08b0b1977a3415
[INFO] checking nanmu42/guess-number against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fguess-number" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nanmu42/guess-number 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/nanmu42/guess-number
[INFO] finished tweaking git repo https://github.com/nanmu42/guess-number
[INFO] tweaked toml for git repo https://github.com/nanmu42/guess-number written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/nanmu42/guess-number 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1ad6c47ecc722ed0b5f4b3d9cac2c6d46d5235fcfef393772745191ecc71cf49
[INFO] running `Command { std: "docker" "start" "-a" "1ad6c47ecc722ed0b5f4b3d9cac2c6d46d5235fcfef393772745191ecc71cf49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad6c47ecc722ed0b5f4b3d9cac2c6d46d5235fcfef393772745191ecc71cf49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad6c47ecc722ed0b5f4b3d9cac2c6d46d5235fcfef393772745191ecc71cf49", kill_on_drop: false }`
[INFO] [stdout] 1ad6c47ecc722ed0b5f4b3d9cac2c6d46d5235fcfef393772745191ecc71cf49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 57f25d2e02ca5b149ff0d11eedf4daa53b3990f72f85658d8f0ab440d4f54a59
[INFO] running `Command { std: "docker" "start" "-a" "57f25d2e02ca5b149ff0d11eedf4daa53b3990f72f85658d8f0ab440d4f54a59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking guess-number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "57f25d2e02ca5b149ff0d11eedf4daa53b3990f72f85658d8f0ab440d4f54a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f25d2e02ca5b149ff0d11eedf4daa53b3990f72f85658d8f0ab440d4f54a59", kill_on_drop: false }`
[INFO] [stdout] 57f25d2e02ca5b149ff0d11eedf4daa53b3990f72f85658d8f0ab440d4f54a59