Dec 17 15:08:27.720 INFO checking snoyberg/lightsout-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:08:27.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/snoyberg/lightsout-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:08:28.224 INFO [stdout] 471ca19b513928dd6345f95dfc4c9c5919d977df6fadf3f39783bdfb29d00b79
Dec 17 15:08:28.230 INFO running `"docker" "start" "-a" "471ca19b513928dd6345f95dfc4c9c5919d977df6fadf3f39783bdfb29d00b79"`
Dec 17 15:08:29.868 INFO [stderr]    Compiling stdweb-internal-runtime v0.1.2
Dec 17 15:08:29.868 INFO [stderr]    Compiling base-x v0.2.3
Dec 17 15:08:29.868 INFO [stderr]     Checking discard v1.0.4
Dec 17 15:08:29.896 INFO [stderr]    Compiling ryu v0.2.7
Dec 17 15:08:29.896 INFO [stderr]    Compiling stdweb-internal-macros v0.2.2
Dec 17 15:08:29.896 INFO [stderr]    Compiling stdweb v0.4.10
Dec 17 15:08:29.896 INFO [stderr]    Compiling syn v0.15.22
Dec 17 15:08:31.234 INFO [stderr]    Compiling serde_json v1.0.33
Dec 17 15:08:44.878 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 15:08:58.909 INFO [stderr]    Compiling stdweb-derive v0.5.1
Dec 17 15:09:23.890 INFO [stderr]     Checking lightsout v0.1.0 (/opt/crater/workdir)
Dec 17 15:09:24.608 INFO [stderr] error[E0599]: no method named `clone` found for type `Game` in the current scope
Dec 17 15:09:24.608 INFO [stderr]    --> src/main.rs:346:31
Dec 17 15:09:24.608 INFO [stderr]     |
Dec 17 15:09:24.608 INFO [stderr] 147 | struct Game {
Dec 17 15:09:24.608 INFO [stderr]     | ----------- method `clone` not found for this
Dec 17 15:09:24.608 INFO [stderr] ...
Dec 17 15:09:24.608 INFO [stderr] 346 |         let mut game2 = game1.clone();
Dec 17 15:09:24.608 INFO [stderr]     |                               ^^^^^
Dec 17 15:09:24.608 INFO [stderr]     |
Dec 17 15:09:24.608 INFO [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
Dec 17 15:09:24.608 INFO [stderr]     = note: the following trait defines an item `clone`, perhaps you need to implement it:
Dec 17 15:09:24.608 INFO [stderr]             candidate #1: `std::clone::Clone`
Dec 17 15:09:24.608 INFO [stderr] 
Dec 17 15:09:24.656 INFO [stderr] error: aborting due to previous error
Dec 17 15:09:24.656 INFO [stderr] 
Dec 17 15:09:24.656 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 17 15:09:24.667 INFO [stderr] error: Could not compile `lightsout`.
Dec 17 15:09:24.667 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 15:09:24.672 INFO [stderr] warning: method is never used: `new_random`
Dec 17 15:09:24.672 INFO [stderr]    --> src/main.rs:166:5
Dec 17 15:09:24.672 INFO [stderr]     |
Dec 17 15:09:24.672 INFO [stderr] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
Dec 17 15:09:24.672 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:09:24.672 INFO [stderr]     |
Dec 17 15:09:24.672 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 15:09:24.672 INFO [stderr] 
Dec 17 15:09:24.672 INFO [stderr] warning: method is never used: `all_off`
Dec 17 15:09:24.672 INFO [stderr]    --> src/main.rs:220:5
Dec 17 15:09:24.672 INFO [stderr]     |
Dec 17 15:09:24.672 INFO [stderr] 220 |     fn all_off(&self) -> bool {
Dec 17 15:09:24.672 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:09:24.672 INFO [stderr] 
Dec 17 15:09:24.672 INFO [stderr] warning: function is never used: `read_usize`
Dec 17 15:09:24.672 INFO [stderr]    --> src/main.rs:258:1
Dec 17 15:09:24.672 INFO [stderr]     |
Dec 17 15:09:24.672 INFO [stderr] 258 | fn read_usize(buffer: &mut String, stdin: &std::io::Stdin, stdout: &std::io::Stdout, label: &str) -> Result<usize, std::io::Error> {
Dec 17 15:09:24.673 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:09:24.673 INFO [stderr] 
Dec 17 15:09:24.711 INFO [stderr] error: build failed
Dec 17 15:09:25.682 INFO running `"docker" "inspect" "471ca19b513928dd6345f95dfc4c9c5919d977df6fadf3f39783bdfb29d00b79"`
Dec 17 15:09:25.905 INFO running `"docker" "rm" "-f" "471ca19b513928dd6345f95dfc4c9c5919d977df6fadf3f39783bdfb29d00b79"`
Dec 17 15:09:26.276 INFO [stdout] 471ca19b513928dd6345f95dfc4c9c5919d977df6fadf3f39783bdfb29d00b79