Nov 16 18:00:01.204 INFO testing nlsnightmare/grockets-rs against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 18:00:01.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 18:00:01.620 INFO [stdout] 1ecaa2ec4c50d6b47a11ace96378c1d1c0d44df91b283e122d99d35a774e3f4d
Nov 16 18:00:01.622 INFO running `"docker" "start" "-a" "1ecaa2ec4c50d6b47a11ace96378c1d1c0d44df91b283e122d99d35a774e3f4d"`
Nov 16 18:00:03.011 INFO [stderr] usermod: no changes
Nov 16 18:00:03.327 INFO [stderr]    Compiling gl_generator v0.9.0
Nov 16 18:00:03.327 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Nov 16 18:00:03.327 INFO [stderr]    Compiling x11-dl v2.18.3
Nov 16 18:00:03.327 INFO [stderr]    Compiling shared_library v0.1.9
Nov 16 18:00:03.347 INFO [stderr]    Compiling wayland-sys v0.20.12
Nov 16 18:00:03.352 INFO [stderr]    Compiling num-derive v0.2.3
Nov 16 18:00:03.354 INFO [stderr]    Compiling png v0.12.0
Nov 16 18:00:03.354 INFO [stderr]    Compiling rusttype v0.4.3
Nov 16 18:00:10.868 INFO [stderr]    Compiling pistoncore-input v0.21.0
Nov 16 18:00:10.934 INFO [stderr]    Compiling osmesa-sys v0.1.2
Nov 16 18:00:10.955 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Nov 16 18:00:10.971 INFO [stderr]    Compiling wayland-commons v0.20.12
Nov 16 18:00:11.179 INFO [stderr]    Compiling piston2d-graphics v0.26.0
Nov 16 18:00:12.383 INFO [stderr]    Compiling wayland-client v0.20.12
Nov 16 18:00:16.466 INFO [stderr]    Compiling rayon-core v1.4.1
Nov 16 18:00:16.743 INFO [stderr]    Compiling glutin v0.18.0
Nov 16 18:00:16.743 INFO [stderr]    Compiling gl v0.10.0
Nov 16 18:00:28.579 INFO [stderr]    Compiling pistoncore-window v0.32.0
Nov 16 18:00:29.247 INFO [stderr]    Compiling rayon v1.0.2
Nov 16 18:00:30.003 INFO [stderr]    Compiling wayland-protocols v0.20.12
Nov 16 18:00:31.272 INFO [stderr]    Compiling pistoncore-event_loop v0.37.0
Nov 16 18:00:32.423 INFO [stderr]    Compiling tiff v0.2.1
Nov 16 18:00:34.023 INFO [stderr]    Compiling piston v0.37.0
Nov 16 18:00:42.603 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Nov 16 18:00:47.664 INFO [stderr]    Compiling smithay-client-toolkit v0.3.0
Nov 16 18:00:53.287 INFO [stderr]    Compiling image v0.20.0
Nov 16 18:01:03.313 INFO [stderr]    Compiling winit v0.17.2
Nov 16 18:01:21.555 INFO [stderr]    Compiling piston2d-opengl_graphics v0.54.0
Nov 16 18:01:25.169 INFO [stderr]    Compiling pistoncore-glutin_window v0.48.0
Nov 16 18:01:28.803 INFO [stderr]    Compiling grockets-rs v0.1.0 (/source)
Nov 16 18:01:30.515 INFO [stderr] warning: unused import: `rocket::Rocket`
Nov 16 18:01:30.515 INFO [stderr]   --> src/main.rs:22:5
Nov 16 18:01:30.515 INFO [stderr]    |
Nov 16 18:01:30.515 INFO [stderr] 22 | use rocket::Rocket;
Nov 16 18:01:30.515 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 16 18:01:30.515 INFO [stderr]    |
Nov 16 18:01:30.515 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 18:01:30.515 INFO [stderr] 
Nov 16 18:01:30.659 INFO [stderr] warning: unused variable: `dna2`
Nov 16 18:01:30.659 INFO [stderr]   --> src/rocket.rs:55:13
Nov 16 18:01:30.659 INFO [stderr]    |
Nov 16 18:01:30.659 INFO [stderr] 55 |         let dna2 = &r2.dna;
Nov 16 18:01:30.659 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Nov 16 18:01:30.659 INFO [stderr]    |
Nov 16 18:01:30.659 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 18:01:30.659 INFO [stderr] 
Nov 16 18:01:30.679 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Nov 16 18:01:30.679 INFO [stderr]   --> src/rocket.rs:69:9
Nov 16 18:01:30.679 INFO [stderr]    |
Nov 16 18:01:30.679 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Nov 16 18:01:30.679 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Nov 16 18:01:30.679 INFO [stderr] 
Nov 16 18:01:30.679 INFO [stderr] warning: variable does not need to be mutable
Nov 16 18:01:30.679 INFO [stderr]   --> src/rocket.rs:56:13
Nov 16 18:01:30.679 INFO [stderr]    |
Nov 16 18:01:30.679 INFO [stderr] 56 |         let mut new_rocket = r1;
Nov 16 18:01:30.679 INFO [stderr]    |             ----^^^^^^^^^^
Nov 16 18:01:30.679 INFO [stderr]    |             |
Nov 16 18:01:30.679 INFO [stderr]    |             help: remove this `mut`
Nov 16 18:01:30.679 INFO [stderr]    |
Nov 16 18:01:30.679 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 18:01:30.679 INFO [stderr] 
Nov 16 18:01:30.695 INFO [stderr] error: aborting due to previous error
Nov 16 18:01:30.695 INFO [stderr] 
Nov 16 18:01:30.695 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Nov 16 18:01:30.719 INFO [stderr] error: Could not compile `grockets-rs`.
Nov 16 18:01:30.719 INFO [stderr] 
Nov 16 18:01:30.719 INFO [stderr] To learn more, run the command again with --verbose.
Nov 16 18:01:30.719 INFO [stderr] su: No module specific data is present
Nov 16 18:01:31.450 INFO running `"docker" "inspect" "1ecaa2ec4c50d6b47a11ace96378c1d1c0d44df91b283e122d99d35a774e3f4d"`
Nov 16 18:01:31.691 INFO running `"docker" "rm" "-f" "1ecaa2ec4c50d6b47a11ace96378c1d1c0d44df91b283e122d99d35a774e3f4d"`
Nov 16 18:01:31.935 INFO [stdout] 1ecaa2ec4c50d6b47a11ace96378c1d1c0d44df91b283e122d99d35a774e3f4d