Dec 11 09:15:15.237 INFO checking snoyberg/lightsout-rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:15:15.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 09:15:15.521 INFO [stdout] bc991b0d941cb2032387db29d3b2b22d6dffbb039faa1613d8ae34029522598f
Dec 11 09:15:15.526 INFO running `"docker" "start" "-a" "bc991b0d941cb2032387db29d3b2b22d6dffbb039faa1613d8ae34029522598f"`
Dec 11 09:15:16.416 INFO [stderr] usermod: no changes
Dec 11 09:15:16.613 INFO [stderr]    Compiling stdweb-internal-runtime v0.1.2
Dec 11 09:15:16.613 INFO [stderr]    Compiling libc v0.2.44
Dec 11 09:15:16.616 INFO [stderr]    Compiling base-x v0.2.3
Dec 11 09:15:16.616 INFO [stderr]     Checking discard v1.0.4
Dec 11 09:15:16.616 INFO [stderr]    Compiling stdweb-internal-macros v0.2.2
Dec 11 09:15:16.616 INFO [stderr]    Compiling stdweb v0.4.10
Dec 11 09:15:16.616 INFO [stderr]    Compiling syn v0.15.22
Dec 11 09:15:19.684 INFO [stderr]     Checking rand v0.6.1
Dec 11 09:15:30.190 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 11 09:15:46.711 INFO [stderr]    Compiling stdweb-derive v0.5.1
Dec 11 09:16:10.964 INFO [stderr]     Checking lightsout v0.1.0 (/source)
Dec 11 09:16:12.148 INFO [stderr] warning: method is never used: `new_random`
Dec 11 09:16:12.148 INFO [stderr]    --> src/main.rs:166:5
Dec 11 09:16:12.148 INFO [stderr]     |
Dec 11 09:16:12.148 INFO [stderr] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
Dec 11 09:16:12.148 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:16:12.148 INFO [stderr]     |
Dec 11 09:16:12.148 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 09:16:12.148 INFO [stderr] 
Dec 11 09:16:12.148 INFO [stderr] warning: method is never used: `all_off`
Dec 11 09:16:12.148 INFO [stderr]    --> src/main.rs:220:5
Dec 11 09:16:12.148 INFO [stderr]     |
Dec 11 09:16:12.148 INFO [stderr] 220 |     fn all_off(&self) -> bool {
Dec 11 09:16:12.148 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:16:12.148 INFO [stderr] 
Dec 11 09:16:12.148 INFO [stderr] warning: function is never used: `read_usize`
Dec 11 09:16:12.148 INFO [stderr]    --> src/main.rs:258:1
Dec 11 09:16:12.148 INFO [stderr]     |
Dec 11 09:16:12.148 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 11 09:16:12.148 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:16:12.148 INFO [stderr] 
Dec 11 09:16:12.256 INFO [stderr] error[E0599]: no method named `clone` found for type `Game` in the current scope
Dec 11 09:16:12.256 INFO [stderr]    --> src/main.rs:346:31
Dec 11 09:16:12.256 INFO [stderr]     |
Dec 11 09:16:12.256 INFO [stderr] 147 | struct Game {
Dec 11 09:16:12.256 INFO [stderr]     | ----------- method `clone` not found for this
Dec 11 09:16:12.256 INFO [stderr] ...
Dec 11 09:16:12.256 INFO [stderr] 346 |         let mut game2 = game1.clone();
Dec 11 09:16:12.256 INFO [stderr]     |                               ^^^^^
Dec 11 09:16:12.256 INFO [stderr]     |
Dec 11 09:16:12.256 INFO [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
Dec 11 09:16:12.256 INFO [stderr]     = note: the following trait defines an item `clone`, perhaps you need to implement it:
Dec 11 09:16:12.256 INFO [stderr]             candidate #1: `std::clone::Clone`
Dec 11 09:16:12.256 INFO [stderr] 
Dec 11 09:16:12.280 INFO [stderr] error: aborting due to previous error
Dec 11 09:16:12.280 INFO [stderr] 
Dec 11 09:16:12.280 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 11 09:16:12.304 INFO [stderr] error: Could not compile `lightsout`.
Dec 11 09:16:12.304 INFO [stderr] 
Dec 11 09:16:12.304 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 09:16:12.304 INFO [stderr] su: No module specific data is present
Dec 11 09:16:13.088 INFO running `"docker" "inspect" "bc991b0d941cb2032387db29d3b2b22d6dffbb039faa1613d8ae34029522598f"`
Dec 11 09:16:13.570 INFO running `"docker" "rm" "-f" "bc991b0d941cb2032387db29d3b2b22d6dffbb039faa1613d8ae34029522598f"`
Dec 11 09:16:13.900 INFO [stdout] bc991b0d941cb2032387db29d3b2b22d6dffbb039faa1613d8ae34029522598f