[INFO] updating cached repository https://github.com/lonski/dungeon-generator-rs
[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] fbd6d0aa2028baa097fcca5ce124c7db0526207d
[INFO] checking lonski/dungeon-generator-rs against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonski%2Fdungeon-generator-rs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lonski/dungeon-generator-rs on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lonski/dungeon-generator-rs
[INFO] finished tweaking git repo https://github.com/lonski/dungeon-generator-rs
[INFO] tweaked toml for git repo https://github.com/lonski/dungeon-generator-rs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lonski/dungeon-generator-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d1c4e792b8bc75f36855f8114a81776b1fa305d886586218357bc80f18a1d648
[INFO] running `"docker" "start" "-a" "d1c4e792b8bc75f36855f8114a81776b1fa305d886586218357bc80f18a1d648"`
[INFO] [stderr]     Checking grid v0.1.0
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking dungeon-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0063]: missing field `vertex_offset_min` in initializer of `room_gen::RoomGenerator`
[INFO] [stderr]   --> src/main.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let room_gen = RoomGenerator {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^ missing `vertex_offset_min`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `room_gen::Room` is not an iterator
[INFO] [stderr]   --> src/main.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |         for p in room_gen.generate() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^ `room_gen::Room` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `room_gen::Room`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0277.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `dungeon-generator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d1c4e792b8bc75f36855f8114a81776b1fa305d886586218357bc80f18a1d648"`
[INFO] running `"docker" "rm" "-f" "d1c4e792b8bc75f36855f8114a81776b1fa305d886586218357bc80f18a1d648"`
[INFO] [stdout] d1c4e792b8bc75f36855f8114a81776b1fa305d886586218357bc80f18a1d648