[INFO] cloning repository https://github.com/bpk-t/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpk-t/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1df7873e9a168056f85a8118ad00cb22173bc000
[INFO] testing bpk-t/rust_practice against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpk-t/rust_practice on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bpk-t/rust_practice
[INFO] finished tweaking git repo https://github.com/bpk-t/rust_practice
[INFO] tweaked toml for git repo https://github.com/bpk-t/rust_practice written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/bpk-t/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 728534d976b76110f57b8b85f4bfc33937bd3c27f6e54510336f7f216fc09a77
[INFO] running `Command { std: "docker" "start" "-a" "728534d976b76110f57b8b85f4bfc33937bd3c27f6e54510336f7f216fc09a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728534d976b76110f57b8b85f4bfc33937bd3c27f6e54510336f7f216fc09a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728534d976b76110f57b8b85f4bfc33937bd3c27f6e54510336f7f216fc09a77", kill_on_drop: false }`
[INFO] [stdout] 728534d976b76110f57b8b85f4bfc33937bd3c27f6e54510336f7f216fc09a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78bc5c2f51effbf33b08c1dc1af3488e26adb9281f8320959922ef3f68cc4217
[INFO] running `Command { std: "docker" "start" "-a" "78bc5c2f51effbf33b08c1dc1af3488e26adb9281f8320959922ef3f68cc4217", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `lang_spec`
[INFO] [stdout]    --> src/bin/lang_spec.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | / #[cfg(test)]
[INFO] [stdout] 3   | | mod lang_spec {
[INFO] [stdout] 4   | |
[INFO] [stdout] 5   | |     #[test]
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |     }
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/bin/lang_spec.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_practice` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "78bc5c2f51effbf33b08c1dc1af3488e26adb9281f8320959922ef3f68cc4217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bc5c2f51effbf33b08c1dc1af3488e26adb9281f8320959922ef3f68cc4217", kill_on_drop: false }`
[INFO] [stdout] 78bc5c2f51effbf33b08c1dc1af3488e26adb9281f8320959922ef3f68cc4217