Dec 11 12:35:40.499 INFO checking nlsnightmare/grockets-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 12:35:40.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12:35:41.364 INFO [stdout] 60215f3fdb71afb0c9a15d1bedd5bb9e3d104be8633a325761ac81c02f1a1dc1
Dec 11 12:35:41.372 INFO running `"docker" "start" "-a" "60215f3fdb71afb0c9a15d1bedd5bb9e3d104be8633a325761ac81c02f1a1dc1"`
Dec 11 12:35:42.763 INFO [stderr] usermod: no changes
Dec 11 12:35:43.124 INFO [stderr]    Compiling glutin v0.18.0
Dec 11 12:35:43.124 INFO [stderr]     Checking rusttype v0.4.3
Dec 11 12:35:43.124 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 11 12:35:43.124 INFO [stderr]     Checking smithay-client-toolkit v0.3.0
Dec 11 12:35:43.124 INFO [stderr]     Checking image v0.20.0
Dec 11 12:35:47.621 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 11 12:35:53.693 INFO [stderr]     Checking winit v0.17.2
Dec 11 12:35:58.118 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 11 12:36:02.318 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 11 12:36:04.610 INFO [stderr]     Checking piston v0.37.0
Dec 11 12:36:05.294 INFO [stderr]     Checking piston2d-opengl_graphics v0.54.0
Dec 11 12:36:10.652 INFO [stderr]     Checking pistoncore-glutin_window v0.48.0
Dec 11 12:36:12.196 INFO [stderr]     Checking grockets-rs v0.1.0 (/source)
Dec 11 12:36:15.218 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 11 12:36:15.218 INFO [stderr]   --> src/main.rs:22:5
Dec 11 12:36:15.219 INFO [stderr]    |
Dec 11 12:36:15.219 INFO [stderr] 22 | use rocket::Rocket;
Dec 11 12:36:15.219 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 12:36:15.219 INFO [stderr]    |
Dec 11 12:36:15.219 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 12:36:15.219 INFO [stderr] 
Dec 11 12:36:15.452 INFO [stderr] warning: unused variable: `dna2`
Dec 11 12:36:15.452 INFO [stderr]   --> src/rocket.rs:55:13
Dec 11 12:36:15.452 INFO [stderr]    |
Dec 11 12:36:15.452 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 11 12:36:15.452 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 11 12:36:15.453 INFO [stderr]    |
Dec 11 12:36:15.453 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:36:15.453 INFO [stderr] 
Dec 11 12:36:15.476 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 11 12:36:15.476 INFO [stderr]   --> src/rocket.rs:69:9
Dec 11 12:36:15.476 INFO [stderr]    |
Dec 11 12:36:15.476 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 11 12:36:15.476 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 11 12:36:15.476 INFO [stderr] 
Dec 11 12:36:15.477 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:36:15.477 INFO [stderr]   --> src/rocket.rs:56:13
Dec 11 12:36:15.477 INFO [stderr]    |
Dec 11 12:36:15.477 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 11 12:36:15.477 INFO [stderr]    |             ----^^^^^^^^^^
Dec 11 12:36:15.477 INFO [stderr]    |             |
Dec 11 12:36:15.477 INFO [stderr]    |             help: remove this `mut`
Dec 11 12:36:15.478 INFO [stderr]    |
Dec 11 12:36:15.478 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:36:15.478 INFO [stderr] 
Dec 11 12:36:15.512 INFO [stderr] error: aborting due to previous error
Dec 11 12:36:15.512 INFO [stderr] 
Dec 11 12:36:15.512 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 11 12:36:15.532 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 11 12:36:15.532 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 12:36:15.628 INFO [stderr] warning: unused import: `rocket::Rocket`
Dec 11 12:36:15.628 INFO [stderr]   --> src/main.rs:22:5
Dec 11 12:36:15.628 INFO [stderr]    |
Dec 11 12:36:15.628 INFO [stderr] 22 | use rocket::Rocket;
Dec 11 12:36:15.628 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 12:36:15.628 INFO [stderr]    |
Dec 11 12:36:15.628 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 12:36:15.628 INFO [stderr] 
Dec 11 12:36:15.756 INFO [stderr] warning: unused variable: `dna2`
Dec 11 12:36:15.756 INFO [stderr]   --> src/rocket.rs:55:13
Dec 11 12:36:15.756 INFO [stderr]    |
Dec 11 12:36:15.756 INFO [stderr] 55 |         let dna2 = &r2.dna;
Dec 11 12:36:15.756 INFO [stderr]    |             ^^^^ help: consider using `_dna2` instead
Dec 11 12:36:15.756 INFO [stderr]    |
Dec 11 12:36:15.756 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:36:15.756 INFO [stderr] 
Dec 11 12:36:15.776 INFO [stderr] error[E0594]: cannot assign to field `new_rocket.dna` of immutable binding
Dec 11 12:36:15.776 INFO [stderr]   --> src/rocket.rs:69:9
Dec 11 12:36:15.776 INFO [stderr]    |
Dec 11 12:36:15.776 INFO [stderr] 69 |         new_rocket.dna = new_dna;
Dec 11 12:36:15.776 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ cannot mutably borrow field of immutable binding
Dec 11 12:36:15.776 INFO [stderr] 
Dec 11 12:36:15.776 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:36:15.776 INFO [stderr]   --> src/rocket.rs:56:13
Dec 11 12:36:15.776 INFO [stderr]    |
Dec 11 12:36:15.776 INFO [stderr] 56 |         let mut new_rocket = r1;
Dec 11 12:36:15.776 INFO [stderr]    |             ----^^^^^^^^^^
Dec 11 12:36:15.776 INFO [stderr]    |             |
Dec 11 12:36:15.776 INFO [stderr]    |             help: remove this `mut`
Dec 11 12:36:15.776 INFO [stderr]    |
Dec 11 12:36:15.776 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:36:15.776 INFO [stderr] 
Dec 11 12:36:15.788 INFO [stderr] error: aborting due to previous error
Dec 11 12:36:15.788 INFO [stderr] 
Dec 11 12:36:15.788 INFO [stderr] For more information about this error, try `rustc --explain E0594`.
Dec 11 12:36:15.809 INFO [stderr] error: Could not compile `grockets-rs`.
Dec 11 12:36:15.809 INFO [stderr] 
Dec 11 12:36:15.809 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 12:36:15.809 INFO [stderr] su: No module specific data is present
Dec 11 12:36:17.134 INFO running `"docker" "inspect" "60215f3fdb71afb0c9a15d1bedd5bb9e3d104be8633a325761ac81c02f1a1dc1"`
Dec 11 12:36:17.480 INFO running `"docker" "rm" "-f" "60215f3fdb71afb0c9a15d1bedd5bb9e3d104be8633a325761ac81c02f1a1dc1"`
Dec 11 12:36:17.742 INFO [stdout] 60215f3fdb71afb0c9a15d1bedd5bb9e3d104be8633a325761ac81c02f1a1dc1