Dec 13 08:46:23.404 INFO testing nlsnightmare/grockets-rs against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 08:46:23.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 08:46:23.792 INFO [stdout] 88a9debc0df2156879c87c890d259d2d0c59e73d9c56290b92846aa33826841b
Dec 13 08:46:23.794 INFO running `"docker" "start" "-a" "88a9debc0df2156879c87c890d259d2d0c59e73d9c56290b92846aa33826841b"`
Dec 13 08:46:25.275 INFO [stderr] usermod: no changes
Dec 13 08:46:25.611 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 13 08:46:25.628 INFO [stderr]    Compiling ordered-float v0.5.2
Dec 13 08:46:25.628 INFO [stderr]    Compiling num-derive v0.2.3
Dec 13 08:46:25.633 INFO [stderr]    Compiling pistoncore-input v0.21.0
Dec 13 08:46:25.633 INFO [stderr]    Compiling smithay-client-toolkit v0.3.0
Dec 13 08:46:26.623 INFO [stderr]    Compiling rusttype v0.4.3
Dec 13 08:46:27.711 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 13 08:46:29.423 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 13 08:46:31.527 INFO [stderr]    Compiling piston2d-graphics v0.26.0
Dec 13 08:46:43.300 INFO [stderr]    Compiling rayon v1.0.2
Dec 13 08:46:43.366 INFO [stderr]    Compiling winit v0.17.2
Dec 13 08:46:43.460 INFO [stderr]    Compiling pistoncore-window v0.32.0
Dec 13 08:46:46.896 INFO [stderr]    Compiling pistoncore-event_loop v0.37.0
Dec 13 08:46:47.033 INFO [stderr]    Compiling tiff v0.2.1
Dec 13 08:46:49.251 INFO [stderr]    Compiling piston v0.37.0
Dec 13 08:46:56.935 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 13 08:47:02.747 INFO [stderr]    Compiling glutin v0.18.0
Dec 13 08:47:04.571 INFO [stderr]    Compiling image v0.20.0
Dec 13 08:47:07.650 INFO [stderr]    Compiling pistoncore-glutin_window v0.48.0
Dec 13 08:47:19.277 INFO [stderr]    Compiling piston2d-opengl_graphics v0.54.0
Dec 13 08:47:21.375 INFO [stderr]    Compiling grockets-rs v0.1.0 (/source)
Dec 13 08:47:23.115 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 13 08:47:23.115 INFO [stderr]   --> src/main.rs:22:5
Dec 13 08:47:23.115 INFO [stderr]    |
Dec 13 08:47:23.115 INFO [stderr] 22 | use rocket::Rocket;
Dec 13 08:47:23.115 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 08:47:23.115 INFO [stderr]    |
Dec 13 08:47:23.115 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 08:47:23.115 INFO [stderr] 
Dec 13 08:47:23.266 INFO [stderr] warning: unused variable: `dna2`
Dec 13 08:47:23.267 INFO [stderr]   --> src/rocket.rs:55:13
Dec 13 08:47:23.267 INFO [stderr]    |
Dec 13 08:47:23.267 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 13 08:47:23.267 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 13 08:47:23.267 INFO [stderr]    |
Dec 13 08:47:23.267 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 08:47:23.267 INFO [stderr] 
Dec 13 08:47:23.267 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 13 08:47:23.267 INFO [stderr]   --> src/rocket.rs:69:9
Dec 13 08:47:23.267 INFO [stderr]    |
Dec 13 08:47:23.267 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 13 08:47:23.267 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 13 08:47:23.267 INFO [stderr] 
Dec 13 08:47:23.267 INFO [stderr] warning: variable does not need to be mutable
Dec 13 08:47:23.343 INFO [stderr]   --> src/rocket.rs:56:13
Dec 13 08:47:23.344 INFO [stderr]    |
Dec 13 08:47:23.344 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 13 08:47:23.344 INFO [stderr]    |             ----^^^^^^^^^^
Dec 13 08:47:23.344 INFO [stderr]    |             |
Dec 13 08:47:23.344 INFO [stderr]    |             help: remove this `mut`
Dec 13 08:47:23.344 INFO [stderr]    |
Dec 13 08:47:23.344 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 08:47:23.344 INFO [stderr] 
Dec 13 08:47:23.344 INFO [stderr] error: aborting due to previous error
Dec 13 08:47:23.344 INFO [stderr] 
Dec 13 08:47:23.344 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 13 08:47:23.344 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 13 08:47:23.344 INFO [stderr] 
Dec 13 08:47:23.344 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 08:47:23.344 INFO [stderr] su: No module specific data is present
Dec 13 08:47:23.650 INFO running `"docker" "inspect" "88a9debc0df2156879c87c890d259d2d0c59e73d9c56290b92846aa33826841b"`
Dec 13 08:47:23.745 INFO running `"docker" "rm" "-f" "88a9debc0df2156879c87c890d259d2d0c59e73d9c56290b92846aa33826841b"`
Dec 13 08:47:23.925 INFO [stdout] 88a9debc0df2156879c87c890d259d2d0c59e73d9c56290b92846aa33826841b