[INFO] updating cached repository https://github.com/nosfex/room_generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/nosfex/room_generator
[INFO] [stderr]    367fb40..91dd96b  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91dd96b0d9c6d9d326be8447d49956eccc212263
[INFO] checking nosfex/room_generator against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosfex%2Froom_generator" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nosfex/room_generator on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nosfex/room_generator
[INFO] finished tweaking git repo https://github.com/nosfex/room_generator
[INFO] tweaked toml for git repo https://github.com/nosfex/room_generator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nosfex/room_generator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02778816ee1b2859e296b7241d4c945a2f465e9a9b84a1ed6a68f0de8f0afb22
[INFO] running `"docker" "start" "-a" "02778816ee1b2859e296b7241d4c945a2f465e9a9b84a1ed6a68f0de8f0afb22"`
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[INFO] [stderr]     Checking room_build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Container`, `Settings`
[INFO] [stderr]  --> src/iced_defines.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 |      Element, Sandbox, Container, Settings, Text, Image};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `Settings`
[INFO] [stderr]  --> src/iced_defines.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 |      Element, Sandbox, Container, Settings, Text, Image};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let matches = App::new("Dungeon")
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `seed`
[INFO] [stderr]   --> src/iced_defines.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     seed: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rng`
[INFO] [stderr]   --> src/iced_defines.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     rng: StdRng,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AlgoSelectionState`
[INFO] [stderr]   --> src/iced_defines.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct AlgoSelectionState {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let matches = App::new("Dungeon")
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `seed`
[INFO] [stderr]   --> src/iced_defines.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     seed: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rng`
[INFO] [stderr]   --> src/iced_defines.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     rng: StdRng,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AlgoSelectionState`
[INFO] [stderr]   --> src/iced_defines.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct AlgoSelectionState {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 37s
[INFO] running `"docker" "inspect" "02778816ee1b2859e296b7241d4c945a2f465e9a9b84a1ed6a68f0de8f0afb22"`
[INFO] running `"docker" "rm" "-f" "02778816ee1b2859e296b7241d4c945a2f465e9a9b84a1ed6a68f0de8f0afb22"`
[INFO] [stdout] 02778816ee1b2859e296b7241d4c945a2f465e9a9b84a1ed6a68f0de8f0afb22