Sep 17 22:09:44.573 INFO checking lewton-0.5.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033 Sep 17 22:09:44.573 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets Sep 17 22:09:44.574 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 17 22:09:44.985 INFO blam! 4d253aa11a48dfaa9a316f30fef9436bf0e60215c8e7b4bb0c305abca3023c6e Sep 17 22:09:44.988 INFO running `"docker" "start" "-a" "4d253aa11a48dfaa9a316f30fef9436bf0e60215c8e7b4bb0c305abca3023c6e"` Sep 17 22:09:45.991 INFO kablam! usermod: no changes Sep 17 22:09:46.086 INFO kablam! Compiling procedural-masquerade v0.1.5 Sep 17 22:09:46.086 INFO kablam! Checking stable_deref_trait v1.1.1 Sep 17 22:09:46.095 INFO kablam! Compiling syn v0.11.11 Sep 17 22:09:46.095 INFO kablam! Checking lewton v0.5.2 (/source) Sep 17 22:09:47.738 INFO kablam! warning: variable does not need to be mutable Sep 17 22:09:47.738 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 17 22:09:47.738 INFO kablam! | Sep 17 22:09:47.738 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 17 22:09:47.738 INFO kablam! | ----^^^^ Sep 17 22:09:47.738 INFO kablam! | | Sep 17 22:09:47.738 INFO kablam! | help: remove this `mut` Sep 17 22:09:47.738 INFO kablam! | Sep 17 22:09:47.738 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 17 22:09:47.738 INFO kablam! Sep 17 22:09:47.778 INFO kablam! warning: variable does not need to be mutable Sep 17 22:09:47.778 INFO kablam! --> src/imdct.rs:379:7 Sep 17 22:09:47.778 INFO kablam! | Sep 17 22:09:47.778 INFO kablam! 379 | let mut u = &mut *buffer; Sep 17 22:09:47.778 INFO kablam! | ----^ Sep 17 22:09:47.778 INFO kablam! | | Sep 17 22:09:47.778 INFO kablam! | help: remove this `mut` Sep 17 22:09:47.778 INFO kablam! Sep 17 22:09:47.778 INFO kablam! warning: variable does not need to be mutable Sep 17 22:09:47.778 INFO kablam! --> src/imdct.rs:380:7 Sep 17 22:09:47.778 INFO kablam! | Sep 17 22:09:47.778 INFO kablam! 380 | let mut v = &mut *buf2; Sep 17 22:09:47.778 INFO kablam! | ----^ Sep 17 22:09:47.778 INFO kablam! | | Sep 17 22:09:47.778 INFO kablam! | help: remove this `mut` Sep 17 22:09:47.779 INFO kablam! Sep 17 22:09:53.080 INFO kablam! Compiling rental-impl v0.4.15 Sep 17 22:10:01.051 INFO kablam! Checking rental v0.4.16 Sep 17 22:10:01.803 INFO kablam! Checking al-sys v0.4.1 Sep 17 22:10:03.563 INFO kablam! Checking alto v1.1.4 Sep 17 22:10:10.687 INFO kablam! warning: unused `std::result::Result` which must be used Sep 17 22:10:10.687 INFO kablam! --> examples/player.rs:66:3 Sep 17 22:10:10.687 INFO kablam! | Sep 17 22:10:10.687 INFO kablam! 66 | str_src.queue_buffer(buf); Sep 17 22:10:10.687 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 17 22:10:10.687 INFO kablam! | Sep 17 22:10:10.687 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 17 22:10:10.687 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 17 22:10:10.687 INFO kablam! Sep 17 22:10:11.743 INFO kablam! error: variable does not need to be mutable Sep 17 22:10:11.743 INFO kablam! --> src/huffman_tree.rs:96:8 Sep 17 22:10:11.743 INFO kablam! | Sep 17 22:10:11.743 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Sep 17 22:10:11.743 INFO kablam! | ----^^^^ Sep 17 22:10:11.743 INFO kablam! | | Sep 17 22:10:11.743 INFO kablam! | help: remove this `mut` Sep 17 22:10:11.743 INFO kablam! | Sep 17 22:10:11.743 INFO kablam! note: lint level defined here Sep 17 22:10:11.743 INFO kablam! --> src/lib.rs:10:24 Sep 17 22:10:11.743 INFO kablam! | Sep 17 22:10:11.743 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))] Sep 17 22:10:11.743 INFO kablam! | ^^^^^^^^ Sep 17 22:10:11.743 INFO kablam! = note: #[deny(unused_mut)] implied by #[deny(warnings)] Sep 17 22:10:11.743 INFO kablam! Sep 17 22:10:11.783 INFO kablam! error: variable does not need to be mutable Sep 17 22:10:11.783 INFO kablam! --> src/imdct.rs:379:7 Sep 17 22:10:11.783 INFO kablam! | Sep 17 22:10:11.783 INFO kablam! 379 | let mut u = &mut *buffer; Sep 17 22:10:11.783 INFO kablam! | ----^ Sep 17 22:10:11.783 INFO kablam! | | Sep 17 22:10:11.783 INFO kablam! | help: remove this `mut` Sep 17 22:10:11.783 INFO kablam! Sep 17 22:10:11.783 INFO kablam! error: variable does not need to be mutable Sep 17 22:10:11.783 INFO kablam! --> src/imdct.rs:380:7 Sep 17 22:10:11.783 INFO kablam! | Sep 17 22:10:11.783 INFO kablam! 380 | let mut v = &mut *buf2; Sep 17 22:10:11.783 INFO kablam! | ----^ Sep 17 22:10:11.783 INFO kablam! | | Sep 17 22:10:11.783 INFO kablam! | help: remove this `mut` Sep 17 22:10:11.783 INFO kablam! Sep 17 22:10:12.027 INFO kablam! error: aborting due to 3 previous errors Sep 17 22:10:12.027 INFO kablam! Sep 17 22:10:12.038 INFO kablam! error: Could not compile `lewton`. Sep 17 22:10:12.038 INFO kablam! Sep 17 22:10:12.038 INFO kablam! To learn more, run the command again with --verbose. Sep 17 22:10:12.038 INFO kablam! su: No module specific data is present Sep 17 22:10:12.745 INFO running `"docker" "rm" "-f" "4d253aa11a48dfaa9a316f30fef9436bf0e60215c8e7b4bb0c305abca3023c6e"` Sep 17 22:10:12.889 INFO blam! 4d253aa11a48dfaa9a316f30fef9436bf0e60215c8e7b4bb0c305abca3023c6e