[INFO] updating cached repository https://github.com/dallin-r-parker/rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ac6038485fd7679b303209d7e219f22fe3b242e3 [INFO] checking dallin-r-parker/rust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdallin-r-parker%2Frust" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dallin-r-parker/rust on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dallin-r-parker/rust [INFO] finished tweaking git repo https://github.com/dallin-r-parker/rust [INFO] tweaked toml for git repo https://github.com/dallin-r-parker/rust written to work/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dallin-r-parker/rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 296f60e28581407c38bed1842fa40b5c368edb91fbff22b203f9de40820fa611 [INFO] running `"docker" "start" "-a" "296f60e28581407c38bed1842fa40b5c368edb91fbff22b203f9de40820fa611"` [INFO] [stderr] Checking practice_one v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0601]: `main` function not found in crate `practice_one` [INFO] [stderr] | [INFO] [stderr] = note: consider adding a `main` function to `src/main.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: Could not compile `practice_one`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "296f60e28581407c38bed1842fa40b5c368edb91fbff22b203f9de40820fa611"` [INFO] running `"docker" "rm" "-f" "296f60e28581407c38bed1842fa40b5c368edb91fbff22b203f9de40820fa611"` [INFO] [stdout] 296f60e28581407c38bed1842fa40b5c368edb91fbff22b203f9de40820fa611