[INFO] cloning repository ruscur/starroom
[INFO] running `"git" "clone" "--bare" "git://github.com/ruscur/starroom.git" "work/cache/sources/gh/ruscur/starroom"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ruscur/starroom'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/starroom" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ruscur/starroom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ruscur/starroom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/starroom" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ruscur/starroom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ruscur/starroom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d5abf83da719f0128d58d8d0ca24ecd58c9b332
[INFO] sha for GitHub repo ruscur/starroom: 7d5abf83da719f0128d58d8d0ca24ecd58c9b332
[INFO] validating manifest of ruscur/starroom on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruscur/starroom on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruscur/starroom
[INFO] finished frobbing ruscur/starroom
[INFO] frobbed toml for ruscur/starroom written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ruscur/starroom/Cargo.toml
[INFO] started frobbing ruscur/starroom
[INFO] finished frobbing ruscur/starroom
[INFO] frobbed toml for ruscur/starroom written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ruscur/starroom/Cargo.toml
[INFO] crate ruscur/starroom already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ruscur/starroom/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ruscur/starroom against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ruscur/starroom:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6bb04665ac4b9ca3fe35786f9662ac8c47638e15e12a19a3bc51eec3fb22b14
[INFO] running `"docker" "start" "-a" "d6bb04665ac4b9ca3fe35786f9662ac8c47638e15e12a19a3bc51eec3fb22b14"`
[INFO] [stderr]     Checking starroom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new_with_stars`
[INFO] [stderr]   --> src/bin/part4.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new_with_stars(length: u8, width: u8, stars: Vec<Point>) -> Room {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_star`
[INFO] [stderr]   --> src/bin/part4.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn add_star(&mut self, new_star: Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_stars`
[INFO] [stderr]   --> src/bin/part4.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new_with_stars(length: u8, width: u8, stars: Vec<Point>) -> Room {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_star`
[INFO] [stderr]   --> src/bin/part4.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn add_star(&mut self, new_star: Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "d6bb04665ac4b9ca3fe35786f9662ac8c47638e15e12a19a3bc51eec3fb22b14"`
[INFO] running `"docker" "rm" "-f" "d6bb04665ac4b9ca3fe35786f9662ac8c47638e15e12a19a3bc51eec3fb22b14"`
[INFO] [stdout] d6bb04665ac4b9ca3fe35786f9662ac8c47638e15e12a19a3bc51eec3fb22b14