Dec 19 11:44:29.765 INFO checking nlsnightmare/grockets-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:44:29.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:44:30.310 INFO [stdout] c5b4f38aaf86fb270a3c044df4fb56cda1ea9237ef9f29707ab6c7ca8d667d68
Dec 19 11:44:30.312 INFO running `"docker" "start" "-a" "c5b4f38aaf86fb270a3c044df4fb56cda1ea9237ef9f29707ab6c7ca8d667d68"`
Dec 19 11:44:32.318 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 11:44:32.324 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 11:44:32.324 INFO [stderr]     Checking rusttype v0.4.3
Dec 19 11:44:32.324 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 19 11:44:32.324 INFO [stderr]     Checking smithay-client-toolkit v0.3.0
Dec 19 11:44:33.494 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 11:44:34.218 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 11:44:35.068 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 19 11:44:35.887 INFO [stderr]     Checking rayon v1.0.2
Dec 19 11:44:37.041 INFO [stderr]     Checking winit v0.17.2
Dec 19 11:44:42.410 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 19 11:44:43.898 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 19 11:44:45.152 INFO [stderr]     Checking piston v0.37.0
Dec 19 11:44:46.078 INFO [stderr]     Checking glutin v0.18.0
Dec 19 11:44:46.502 INFO [stderr]     Checking tiff v0.2.1
Dec 19 11:44:47.330 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 11:44:49.217 INFO [stderr]     Checking image v0.20.0
Dec 19 11:44:49.348 INFO [stderr]     Checking pistoncore-glutin_window v0.48.0
Dec 19 11:44:54.396 INFO [stderr]     Checking piston2d-opengl_graphics v0.54.0
Dec 19 11:44:55.152 INFO [stderr]     Checking grockets-rs v0.1.0 (/opt/crater/workdir)
Dec 19 11:44:56.033 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 19 11:44:56.033 INFO [stderr]   --> src/main.rs:22:5
Dec 19 11:44:56.033 INFO [stderr]    |
Dec 19 11:44:56.033 INFO [stderr] 22 | use rocket::Rocket;
Dec 19 11:44:56.033 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 11:44:56.033 INFO [stderr]    |
Dec 19 11:44:56.033 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:44:56.033 INFO [stderr] 
Dec 19 11:44:56.036 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 19 11:44:56.036 INFO [stderr]   --> src/main.rs:22:5
Dec 19 11:44:56.036 INFO [stderr]    |
Dec 19 11:44:56.036 INFO [stderr] 22 | use rocket::Rocket;
Dec 19 11:44:56.036 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 11:44:56.036 INFO [stderr]    |
Dec 19 11:44:56.036 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:44:56.036 INFO [stderr] 
Dec 19 11:44:56.146 INFO [stderr] warning: unused variable: `dna2`
Dec 19 11:44:56.146 INFO [stderr]   --> src/rocket.rs:55:13
Dec 19 11:44:56.146 INFO [stderr]    |
Dec 19 11:44:56.146 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 19 11:44:56.146 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 19 11:44:56.146 INFO [stderr]    |
Dec 19 11:44:56.146 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:44:56.146 INFO [stderr] 
Dec 19 11:44:56.160 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 19 11:44:56.160 INFO [stderr]   --> src/rocket.rs:69:9
Dec 19 11:44:56.160 INFO [stderr]    |
Dec 19 11:44:56.160 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 19 11:44:56.160 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 19 11:44:56.160 INFO [stderr] 
Dec 19 11:44:56.160 INFO [stderr] warning: variable does not need to be mutable
Dec 19 11:44:56.160 INFO [stderr]   --> src/rocket.rs:56:13
Dec 19 11:44:56.160 INFO [stderr]    |
Dec 19 11:44:56.160 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 19 11:44:56.160 INFO [stderr]    |             ----^^^^^^^^^^
Dec 19 11:44:56.160 INFO [stderr]    |             |
Dec 19 11:44:56.160 INFO [stderr]    |             help: remove this `mut`
Dec 19 11:44:56.160 INFO [stderr]    |
Dec 19 11:44:56.160 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 11:44:56.160 INFO [stderr] 
Dec 19 11:44:56.177 INFO [stderr] error: aborting due to previous error
Dec 19 11:44:56.177 INFO [stderr] 
Dec 19 11:44:56.177 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 19 11:44:56.184 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 19 11:44:56.184 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 11:44:56.194 INFO [stderr] warning: unused variable: `dna2`
Dec 19 11:44:56.194 INFO [stderr]   --> src/rocket.rs:55:13
Dec 19 11:44:56.194 INFO [stderr]    |
Dec 19 11:44:56.194 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 19 11:44:56.194 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 19 11:44:56.194 INFO [stderr]    |
Dec 19 11:44:56.194 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:44:56.194 INFO [stderr] 
Dec 19 11:44:56.217 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 19 11:44:56.217 INFO [stderr]   --> src/rocket.rs:69:9
Dec 19 11:44:56.217 INFO [stderr]    |
Dec 19 11:44:56.217 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 19 11:44:56.217 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 19 11:44:56.217 INFO [stderr] 
Dec 19 11:44:56.217 INFO [stderr] warning: variable does not need to be mutable
Dec 19 11:44:56.217 INFO [stderr]   --> src/rocket.rs:56:13
Dec 19 11:44:56.217 INFO [stderr]    |
Dec 19 11:44:56.217 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 19 11:44:56.217 INFO [stderr]    |             ----^^^^^^^^^^
Dec 19 11:44:56.217 INFO [stderr]    |             |
Dec 19 11:44:56.217 INFO [stderr]    |             help: remove this `mut`
Dec 19 11:44:56.217 INFO [stderr]    |
Dec 19 11:44:56.217 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 11:44:56.217 INFO [stderr] 
Dec 19 11:44:56.232 INFO [stderr] error: aborting due to previous error
Dec 19 11:44:56.232 INFO [stderr] 
Dec 19 11:44:56.232 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 19 11:44:56.259 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 19 11:44:56.259 INFO [stderr] 
Dec 19 11:44:56.259 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 11:44:56.821 INFO running `"docker" "inspect" "c5b4f38aaf86fb270a3c044df4fb56cda1ea9237ef9f29707ab6c7ca8d667d68"`
Dec 19 11:44:57.013 INFO running `"docker" "rm" "-f" "c5b4f38aaf86fb270a3c044df4fb56cda1ea9237ef9f29707ab6c7ca8d667d68"`
Dec 19 11:44:57.308 INFO [stdout] c5b4f38aaf86fb270a3c044df4fb56cda1ea9237ef9f29707ab6c7ca8d667d68