Sep 21 07:50:35.354 INFO checking lewton-0.5.2 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394 Sep 21 07:50:35.354 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets Sep 21 07:50:35.354 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 21 07:50:35.558 INFO blam! b0daf1bd17a9362cd077975f0cf5a520ab3f2f120b3f22a42b8ee360c28534a4 Sep 21 07:50:35.560 INFO running `"docker" "start" "-a" "b0daf1bd17a9362cd077975f0cf5a520ab3f2f120b3f22a42b8ee360c28534a4"` Sep 21 07:50:36.251 INFO kablam! usermod: no changes Sep 21 07:50:36.350 INFO kablam! Compiling procedural-masquerade v0.1.5 Sep 21 07:50:36.351 INFO kablam! Checking stable_deref_trait v1.1.1 Sep 21 07:50:36.351 INFO kablam! Checking ogg v0.4.1 Sep 21 07:50:36.352 INFO kablam! Checking libloading v0.4.3 Sep 21 07:50:37.034 INFO kablam! Compiling rental-impl v0.4.15 Sep 21 07:50:37.110 INFO kablam! Checking lewton v0.5.2 (/source) Sep 21 07:50:39.306 INFO kablam! warning: variable does not need to be mutable Sep 21 07:50:39.306 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 21 07:50:39.306 INFO kablam! | Sep 21 07:50:39.306 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 21 07:50:39.306 INFO kablam! | ----^^^^ Sep 21 07:50:39.306 INFO kablam! | | Sep 21 07:50:39.306 INFO kablam! | help: remove this `mut` Sep 21 07:50:39.306 INFO kablam! | Sep 21 07:50:39.306 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 21 07:50:39.306 INFO kablam! Sep 21 07:50:39.374 INFO kablam! warning: variable does not need to be mutable Sep 21 07:50:39.374 INFO kablam! --> src/imdct.rs:379:7 Sep 21 07:50:39.374 INFO kablam! | Sep 21 07:50:39.374 INFO kablam! 379 | let mut u = &mut *buffer; Sep 21 07:50:39.374 INFO kablam! | ----^ Sep 21 07:50:39.374 INFO kablam! | | Sep 21 07:50:39.374 INFO kablam! | help: remove this `mut` Sep 21 07:50:39.374 INFO kablam! Sep 21 07:50:39.374 INFO kablam! warning: variable does not need to be mutable Sep 21 07:50:39.374 INFO kablam! --> src/imdct.rs:380:7 Sep 21 07:50:39.374 INFO kablam! | Sep 21 07:50:39.374 INFO kablam! 380 | let mut v = &mut *buf2; Sep 21 07:50:39.374 INFO kablam! | ----^ Sep 21 07:50:39.374 INFO kablam! | | Sep 21 07:50:39.374 INFO kablam! | help: remove this `mut` Sep 21 07:50:39.374 INFO kablam! Sep 21 07:50:45.676 INFO kablam! Checking rental v0.4.16 Sep 21 07:50:46.163 INFO kablam! Checking al-sys v0.4.1 Sep 21 07:50:47.107 INFO kablam! Checking alto v1.1.4 Sep 21 07:50:53.149 INFO kablam! warning: unused `std::result::Result` which must be used Sep 21 07:50:53.149 INFO kablam! --> examples/player.rs:66:3 Sep 21 07:50:53.149 INFO kablam! | Sep 21 07:50:53.149 INFO kablam! 66 | str_src.queue_buffer(buf); Sep 21 07:50:53.149 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 21 07:50:53.149 INFO kablam! | Sep 21 07:50:53.149 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 21 07:50:53.149 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 21 07:50:53.149 INFO kablam! Sep 21 07:50:54.150 INFO kablam! error: variable does not need to be mutable Sep 21 07:50:54.150 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 21 07:50:54.150 INFO kablam! | Sep 21 07:50:54.150 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 21 07:50:54.150 INFO kablam! | ----^^^^ Sep 21 07:50:54.150 INFO kablam! | | Sep 21 07:50:54.150 INFO kablam! | help: remove this `mut` Sep 21 07:50:54.150 INFO kablam! | Sep 21 07:50:54.150 INFO kablam! note: lint level defined here Sep 21 07:50:54.150 INFO kablam! --> src/lib.rs:10:24 Sep 21 07:50:54.150 INFO kablam! | Sep 21 07:50:54.150 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))] Sep 21 07:50:54.150 INFO kablam! | ^^^^^^^^ Sep 21 07:50:54.150 INFO kablam! = note: #[deny(unused_mut)] implied by #[deny(warnings)] Sep 21 07:50:54.150 INFO kablam! Sep 21 07:50:54.186 INFO kablam! error: variable does not need to be mutable Sep 21 07:50:54.186 INFO kablam! --> src/imdct.rs:379:7 Sep 21 07:50:54.186 INFO kablam! | Sep 21 07:50:54.186 INFO kablam! 379 | let mut u = &mut *buffer; Sep 21 07:50:54.186 INFO kablam! | ----^ Sep 21 07:50:54.186 INFO kablam! | | Sep 21 07:50:54.186 INFO kablam! | help: remove this `mut` Sep 21 07:50:54.186 INFO kablam! Sep 21 07:50:54.186 INFO kablam! error: variable does not need to be mutable Sep 21 07:50:54.186 INFO kablam! --> src/imdct.rs:380:7 Sep 21 07:50:54.186 INFO kablam! | Sep 21 07:50:54.186 INFO kablam! 380 | let mut v = &mut *buf2; Sep 21 07:50:54.186 INFO kablam! | ----^ Sep 21 07:50:54.186 INFO kablam! | | Sep 21 07:50:54.186 INFO kablam! | help: remove this `mut` Sep 21 07:50:54.186 INFO kablam! Sep 21 07:50:54.430 INFO kablam! error: aborting due to 3 previous errors Sep 21 07:50:54.430 INFO kablam! Sep 21 07:50:54.436 INFO kablam! error: Could not compile `lewton`. Sep 21 07:50:54.437 INFO kablam! Sep 21 07:50:54.437 INFO kablam! To learn more, run the command again with --verbose. Sep 21 07:50:54.438 INFO kablam! su: No module specific data is present Sep 21 07:50:55.290 INFO running `"docker" "rm" "-f" "b0daf1bd17a9362cd077975f0cf5a520ab3f2f120b3f22a42b8ee360c28534a4"` Sep 21 07:50:55.389 INFO blam! b0daf1bd17a9362cd077975f0cf5a520ab3f2f120b3f22a42b8ee360c28534a4