[INFO] cloning repository https://github.com/lonski/dungeon-generator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lonski/dungeon-generator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonski%2Fdungeon-generator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonski%2Fdungeon-generator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbd6d0aa2028baa097fcca5ce124c7db0526207d
[INFO] testing lonski/dungeon-generator-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonski%2Fdungeon-generator-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lonski/dungeon-generator-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-0/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d999e37f996033c94f41f8f5dc5f86d2a07740fd0676498d0c205f393ad4c0b
[INFO] running `Command { std: "docker" "start" "-a" "8d999e37f996033c94f41f8f5dc5f86d2a07740fd0676498d0c205f393ad4c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d999e37f996033c94f41f8f5dc5f86d2a07740fd0676498d0c205f393ad4c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d999e37f996033c94f41f8f5dc5f86d2a07740fd0676498d0c205f393ad4c0b", kill_on_drop: false }`
[INFO] [stdout] 8d999e37f996033c94f41f8f5dc5f86d2a07740fd0676498d0c205f393ad4c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 553d333ca2aa2ce9263922ec1d3930c273a3895ba438cb7aa6fc34617f82152e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "553d333ca2aa2ce9263922ec1d3930c273a3895ba438cb7aa6fc34617f82152e", kill_on_drop: false }`
[INFO] [stderr]    Compiling grid v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.4
[INFO] [stderr]    Compiling dungeon-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "553d333ca2aa2ce9263922ec1d3930c273a3895ba438cb7aa6fc34617f82152e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553d333ca2aa2ce9263922ec1d3930c273a3895ba438cb7aa6fc34617f82152e", kill_on_drop: false }`
[INFO] [stdout] 553d333ca2aa2ce9263922ec1d3930c273a3895ba438cb7aa6fc34617f82152e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84931ed7dd13e393b6c9e3c3a6c4e4ecf7ab41336755e49f62c5a25dfe87acf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f84931ed7dd13e393b6c9e3c3a6c4e4ecf7ab41336755e49f62c5a25dfe87acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling dungeon-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `vertex_offset_min` in initializer of `room_gen::RoomGenerator`
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let room_gen = RoomGenerator {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ missing `vertex_offset_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Room` is not an iterator
[INFO] [stdout]    --> src/main.rs:64:18
[INFO] [stdout]     |
[INFO] [stdout] 64  |         for p in room_gen.generate() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ `Room` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `Room`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `Room`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dungeon-generator` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f84931ed7dd13e393b6c9e3c3a6c4e4ecf7ab41336755e49f62c5a25dfe87acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84931ed7dd13e393b6c9e3c3a6c4e4ecf7ab41336755e49f62c5a25dfe87acf", kill_on_drop: false }`
[INFO] [stdout] f84931ed7dd13e393b6c9e3c3a6c4e4ecf7ab41336755e49f62c5a25dfe87acf