[INFO] cloning repository https://github.com/github-vanilla/the-rust-programming-language-2nd-edition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/github-vanilla/the-rust-programming-language-2nd-edition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub-vanilla%2Fthe-rust-programming-language-2nd-edition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub-vanilla%2Fthe-rust-programming-language-2nd-edition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3604a9642d8ff939278553bd1989b1cff1e4f215
[INFO] checking github-vanilla/the-rust-programming-language-2nd-edition against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub-vanilla%2Fthe-rust-programming-language-2nd-edition" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/github-vanilla/the-rust-programming-language-2nd-edition 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/github-vanilla/the-rust-programming-language-2nd-edition
[INFO] finished tweaking git repo https://github.com/github-vanilla/the-rust-programming-language-2nd-edition
[INFO] tweaked toml for git repo https://github.com/github-vanilla/the-rust-programming-language-2nd-edition written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/github-vanilla/the-rust-programming-language-2nd-edition 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5dc4a7d09737daf889d0b831af6ad5c4fe3b4ac72e4bc53fc36090f267a416e3
[INFO] running `Command { std: "docker" "start" "-a" "5dc4a7d09737daf889d0b831af6ad5c4fe3b4ac72e4bc53fc36090f267a416e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc4a7d09737daf889d0b831af6ad5c4fe3b4ac72e4bc53fc36090f267a416e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc4a7d09737daf889d0b831af6ad5c4fe3b4ac72e4bc53fc36090f267a416e3", kill_on_drop: false }`
[INFO] [stdout] 5dc4a7d09737daf889d0b831af6ad5c4fe3b4ac72e4bc53fc36090f267a416e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9737068f182db7257aeabb61429fb7ac29aae0cd439b00406fb6f8ddb735319e
[INFO] running `Command { std: "docker" "start" "-a" "9737068f182db7257aeabb61429fb7ac29aae0cd439b00406fb6f8ddb735319e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "9737068f182db7257aeabb61429fb7ac29aae0cd439b00406fb6f8ddb735319e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9737068f182db7257aeabb61429fb7ac29aae0cd439b00406fb6f8ddb735319e", kill_on_drop: false }`
[INFO] [stdout] 9737068f182db7257aeabb61429fb7ac29aae0cd439b00406fb6f8ddb735319e