Sep 19 23:09:27.318 INFO checking lewton-0.5.2 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346 Sep 19 23:09:27.318 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets Sep 19 23:09:27.319 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 19 23:09:27.540 INFO blam! 27dd9c047291e38dfad128c91ef2fc77250d80f0d474b9c17c9b5d45597de863 Sep 19 23:09:27.545 INFO running `"docker" "start" "-a" "27dd9c047291e38dfad128c91ef2fc77250d80f0d474b9c17c9b5d45597de863"` Sep 19 23:09:28.362 INFO kablam! usermod: no changes Sep 19 23:09:28.476 INFO kablam! Compiling procedural-masquerade v0.1.5 Sep 19 23:09:28.478 INFO kablam! Checking stable_deref_trait v1.1.1 Sep 19 23:09:28.480 INFO kablam! Compiling syn v0.11.11 Sep 19 23:09:28.484 INFO kablam! Checking lewton v0.5.2 (/source) Sep 19 23:09:30.800 INFO kablam! warning: variable does not need to be mutable Sep 19 23:09:30.800 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 19 23:09:30.800 INFO kablam! | Sep 19 23:09:30.800 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 19 23:09:30.800 INFO kablam! | ----^^^^ Sep 19 23:09:30.800 INFO kablam! | | Sep 19 23:09:30.800 INFO kablam! | help: remove this `mut` Sep 19 23:09:30.800 INFO kablam! | Sep 19 23:09:30.800 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 19 23:09:30.800 INFO kablam! Sep 19 23:09:30.845 INFO kablam! warning: variable does not need to be mutable Sep 19 23:09:30.845 INFO kablam! --> src/imdct.rs:379:7 Sep 19 23:09:30.845 INFO kablam! | Sep 19 23:09:30.845 INFO kablam! 379 | let mut u = &mut *buffer; Sep 19 23:09:30.845 INFO kablam! | ----^ Sep 19 23:09:30.845 INFO kablam! | | Sep 19 23:09:30.845 INFO kablam! | help: remove this `mut` Sep 19 23:09:30.845 INFO kablam! Sep 19 23:09:30.845 INFO kablam! warning: variable does not need to be mutable Sep 19 23:09:30.845 INFO kablam! --> src/imdct.rs:380:7 Sep 19 23:09:30.845 INFO kablam! | Sep 19 23:09:30.845 INFO kablam! 380 | let mut v = &mut *buf2; Sep 19 23:09:30.845 INFO kablam! | ----^ Sep 19 23:09:30.845 INFO kablam! | | Sep 19 23:09:30.845 INFO kablam! | help: remove this `mut` Sep 19 23:09:30.845 INFO kablam! Sep 19 23:09:36.324 INFO kablam! Compiling rental-impl v0.4.15 Sep 19 23:09:44.370 INFO kablam! Checking rental v0.4.16 Sep 19 23:09:45.137 INFO kablam! Checking al-sys v0.4.1 Sep 19 23:09:46.578 INFO kablam! Checking alto v1.1.4 Sep 19 23:09:52.627 INFO kablam! warning: unused `std::result::Result` which must be used Sep 19 23:09:52.627 INFO kablam! --> examples/player.rs:66:3 Sep 19 23:09:52.627 INFO kablam! | Sep 19 23:09:52.627 INFO kablam! 66 | str_src.queue_buffer(buf); Sep 19 23:09:52.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 19 23:09:52.627 INFO kablam! | Sep 19 23:09:52.627 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 19 23:09:52.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 19 23:09:52.627 INFO kablam! Sep 19 23:09:54.099 INFO kablam! error: variable does not need to be mutable Sep 19 23:09:54.099 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 19 23:09:54.099 INFO kablam! | Sep 19 23:09:54.099 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 19 23:09:54.099 INFO kablam! | ----^^^^ Sep 19 23:09:54.099 INFO kablam! | | Sep 19 23:09:54.099 INFO kablam! | help: remove this `mut` Sep 19 23:09:54.099 INFO kablam! | Sep 19 23:09:54.099 INFO kablam! note: lint level defined here Sep 19 23:09:54.099 INFO kablam! --> src/lib.rs:10:24 Sep 19 23:09:54.099 INFO kablam! | Sep 19 23:09:54.099 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))] Sep 19 23:09:54.099 INFO kablam! | ^^^^^^^^ Sep 19 23:09:54.099 INFO kablam! = note: #[deny(unused_mut)] implied by #[deny(warnings)] Sep 19 23:09:54.099 INFO kablam! Sep 19 23:09:54.127 INFO kablam! error: variable does not need to be mutable Sep 19 23:09:54.127 INFO kablam! --> src/imdct.rs:379:7 Sep 19 23:09:54.127 INFO kablam! | Sep 19 23:09:54.127 INFO kablam! 379 | let mut u = &mut *buffer; Sep 19 23:09:54.127 INFO kablam! | ----^ Sep 19 23:09:54.127 INFO kablam! | | Sep 19 23:09:54.127 INFO kablam! | help: remove this `mut` Sep 19 23:09:54.127 INFO kablam! Sep 19 23:09:54.127 INFO kablam! error: variable does not need to be mutable Sep 19 23:09:54.127 INFO kablam! --> src/imdct.rs:380:7 Sep 19 23:09:54.127 INFO kablam! | Sep 19 23:09:54.127 INFO kablam! 380 | let mut v = &mut *buf2; Sep 19 23:09:54.127 INFO kablam! | ----^ Sep 19 23:09:54.127 INFO kablam! | | Sep 19 23:09:54.127 INFO kablam! | help: remove this `mut` Sep 19 23:09:54.128 INFO kablam! Sep 19 23:09:54.391 INFO kablam! error: aborting due to 3 previous errors Sep 19 23:09:54.391 INFO kablam! Sep 19 23:09:54.399 INFO kablam! error: Could not compile `lewton`. Sep 19 23:09:54.399 INFO kablam! Sep 19 23:09:54.399 INFO kablam! To learn more, run the command again with --verbose. Sep 19 23:09:54.403 INFO kablam! su: No module specific data is present Sep 19 23:09:55.258 INFO running `"docker" "rm" "-f" "27dd9c047291e38dfad128c91ef2fc77250d80f0d474b9c17c9b5d45597de863"` Sep 19 23:09:55.401 INFO blam! 27dd9c047291e38dfad128c91ef2fc77250d80f0d474b9c17c9b5d45597de863