[INFO] updating cached repository https://github.com/raniejade/yahmc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 3db12f9634869d4b6d83e845b7c48d9a8d649b83
[INFO] testing raniejade/yahmc against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Franiejade%2Fyahmc" "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/raniejade/yahmc on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/raniejade/yahmc
[INFO] removed workspace from git repo https://github.com/raniejade/yahmc
[INFO] removed path dependency engine from git repo https://github.com/raniejade/yahmc
[INFO] finished tweaking git repo https://github.com/raniejade/yahmc
[INFO] tweaked toml for git repo https://github.com/raniejade/yahmc written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/raniejade/yahmc already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (engine) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (engine) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7f894a5f42df5fec92c0f9851347640b05f6ad39133c4c45b7eef0cc57bc12ce
[INFO] running `"docker" "start" "-a" "7f894a5f42df5fec92c0f9851347640b05f6ad39133c4c45b7eef0cc57bc12ce"`
[INFO] [stderr] warning: dependency (engine) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling yahmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Builder` in `engine`
[INFO] [stderr]   --> src/main.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let runner = engine::Builder::create(root.to_path_buf()).build();
[INFO] [stderr]    |                          ^^^^^^^ could not find `Builder` in `engine`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `yahmc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7f894a5f42df5fec92c0f9851347640b05f6ad39133c4c45b7eef0cc57bc12ce"`
[INFO] running `"docker" "rm" "-f" "7f894a5f42df5fec92c0f9851347640b05f6ad39133c4c45b7eef0cc57bc12ce"`
[INFO] [stdout] 7f894a5f42df5fec92c0f9851347640b05f6ad39133c4c45b7eef0cc57bc12ce