Dec 17 18:39:46.366 INFO checking nlsnightmare/grockets-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:39:46.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nlsnightmare/grockets-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 18:39:46.750 INFO [stdout] ffc3376170939eb0de038dd92fa10c1d85613a4d0cc58c10a1e5ccc173f2a0f6
Dec 17 18:39:46.754 INFO running `"docker" "start" "-a" "ffc3376170939eb0de038dd92fa10c1d85613a4d0cc58c10a1e5ccc173f2a0f6"`
Dec 17 18:39:47.692 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 17 18:39:47.694 INFO [stderr]     Checking rusttype v0.4.3
Dec 17 18:39:47.695 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 17 18:39:47.698 INFO [stderr]     Checking smithay-client-toolkit v0.3.0
Dec 17 18:39:48.298 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 17 18:39:48.810 INFO [stderr]     Checking rayon-core v1.4.1
Dec 17 18:39:48.831 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 17 18:39:49.612 INFO [stderr]     Checking rayon v1.0.2
Dec 17 18:39:49.908 INFO [stderr]     Checking winit v0.17.2
Dec 17 18:39:51.468 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 17 18:39:52.220 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 17 18:39:52.873 INFO [stderr]     Checking piston v0.37.0
Dec 17 18:39:53.793 INFO [stderr]     Checking glutin v0.18.0
Dec 17 18:39:53.960 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 17 18:39:55.678 INFO [stderr]     Checking image v0.20.0
Dec 17 18:39:56.076 INFO [stderr]     Checking pistoncore-glutin_window v0.48.0
Dec 17 18:40:01.090 INFO [stderr]     Checking piston2d-opengl_graphics v0.54.0
Dec 17 18:40:01.826 INFO [stderr]     Checking grockets-rs v0.1.0 (/opt/crater/workdir)
Dec 17 18:40:02.568 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 17 18:40:02.568 INFO [stderr]   --> src/main.rs:22:5
Dec 17 18:40:02.568 INFO [stderr]    |
Dec 17 18:40:02.568 INFO [stderr] 22 | use rocket::Rocket;
Dec 17 18:40:02.568 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:40:02.568 INFO [stderr]    |
Dec 17 18:40:02.568 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:40:02.568 INFO [stderr] 
Dec 17 18:40:02.730 INFO [stderr] warning: unused variable: `dna2`
Dec 17 18:40:02.730 INFO [stderr]   --> src/rocket.rs:55:13
Dec 17 18:40:02.730 INFO [stderr]    |
Dec 17 18:40:02.730 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 17 18:40:02.730 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 17 18:40:02.730 INFO [stderr]    |
Dec 17 18:40:02.730 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:40:02.730 INFO [stderr] 
Dec 17 18:40:02.752 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 17 18:40:02.752 INFO [stderr]   --> src/rocket.rs:69:9
Dec 17 18:40:02.752 INFO [stderr]    |
Dec 17 18:40:02.753 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 17 18:40:02.753 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 17 18:40:02.753 INFO [stderr] 
Dec 17 18:40:02.753 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:40:02.754 INFO [stderr]   --> src/rocket.rs:56:13
Dec 17 18:40:02.754 INFO [stderr]    |
Dec 17 18:40:02.754 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 17 18:40:02.754 INFO [stderr]    |             ----^^^^^^^^^^
Dec 17 18:40:02.754 INFO [stderr]    |             |
Dec 17 18:40:02.754 INFO [stderr]    |             help: remove this `mut`
Dec 17 18:40:02.754 INFO [stderr]    |
Dec 17 18:40:02.755 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:40:02.755 INFO [stderr] 
Dec 17 18:40:02.773 INFO [stderr] error: aborting due to previous error
Dec 17 18:40:02.773 INFO [stderr] 
Dec 17 18:40:02.774 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 17 18:40:02.792 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 17 18:40:02.792 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 18:40:02.847 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 17 18:40:02.847 INFO [stderr]   --> src/main.rs:22:5
Dec 17 18:40:02.847 INFO [stderr]    |
Dec 17 18:40:02.847 INFO [stderr] 22 | use rocket::Rocket;
Dec 17 18:40:02.847 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:40:02.847 INFO [stderr]    |
Dec 17 18:40:02.848 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:40:02.848 INFO [stderr] 
Dec 17 18:40:02.992 INFO [stderr] warning: unused variable: `dna2`
Dec 17 18:40:02.993 INFO [stderr]   --> src/rocket.rs:55:13
Dec 17 18:40:02.993 INFO [stderr]    |
Dec 17 18:40:02.993 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 17 18:40:02.993 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 17 18:40:02.993 INFO [stderr]    |
Dec 17 18:40:02.993 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:40:02.993 INFO [stderr] 
Dec 17 18:40:03.009 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 17 18:40:03.009 INFO [stderr]   --> src/rocket.rs:69:9
Dec 17 18:40:03.009 INFO [stderr]    |
Dec 17 18:40:03.009 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 17 18:40:03.009 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 17 18:40:03.009 INFO [stderr] 
Dec 17 18:40:03.009 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:40:03.009 INFO [stderr]   --> src/rocket.rs:56:13
Dec 17 18:40:03.009 INFO [stderr]    |
Dec 17 18:40:03.009 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 17 18:40:03.009 INFO [stderr]    |             ----^^^^^^^^^^
Dec 17 18:40:03.009 INFO [stderr]    |             |
Dec 17 18:40:03.009 INFO [stderr]    |             help: remove this `mut`
Dec 17 18:40:03.009 INFO [stderr]    |
Dec 17 18:40:03.009 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:40:03.009 INFO [stderr] 
Dec 17 18:40:03.020 INFO [stderr] error: aborting due to previous error
Dec 17 18:40:03.020 INFO [stderr] 
Dec 17 18:40:03.020 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 17 18:40:03.048 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 17 18:40:03.048 INFO [stderr] 
Dec 17 18:40:03.048 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 18:40:03.659 INFO running `"docker" "inspect" "ffc3376170939eb0de038dd92fa10c1d85613a4d0cc58c10a1e5ccc173f2a0f6"`
Dec 17 18:40:03.832 INFO running `"docker" "rm" "-f" "ffc3376170939eb0de038dd92fa10c1d85613a4d0cc58c10a1e5ccc173f2a0f6"`
Dec 17 18:40:04.005 INFO [stdout] ffc3376170939eb0de038dd92fa10c1d85613a4d0cc58c10a1e5ccc173f2a0f6