Dec 05 09:09:55.890 INFO checking picto-0.4.3 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481 Dec 05 09:09:55.890 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 09:09:56.329 INFO [stdout] 71872d177a1841381c410bdf83f9108a489affe07261fd58c6415fb8a2d2cfae Dec 05 09:09:56.337 INFO running `"docker" "start" "-a" "71872d177a1841381c410bdf83f9108a489affe07261fd58c6415fb8a2d2cfae"` Dec 05 09:09:57.675 INFO [stderr] usermod: no changes Dec 05 09:09:57.999 INFO [stderr] Checking png v0.6.2 Dec 05 09:09:57.999 INFO [stderr] Checking xyz v0.2.1 Dec 05 09:09:57.999 INFO [stderr] Checking imagefmt v4.0.0 Dec 05 09:09:57.999 INFO [stderr] Compiling palette v0.2.1 Dec 05 09:10:00.370 INFO [stderr] Checking image v0.12.4 Dec 05 09:10:07.125 INFO [stderr] Checking picto v0.4.3 (/source) Dec 05 09:10:11.764 INFO [stderr] warning: variable does not need to be mutable Dec 05 09:10:11.765 INFO [stderr] --> src/buffer/buffer.rs:514:10 Dec 05 09:10:11.765 INFO [stderr] | Dec 05 09:10:11.765 INFO [stderr] 514 | fn from(mut value: &'a mut Buffer) -> view::Write<'a, P, C> { Dec 05 09:10:11.765 INFO [stderr] | ----^^^^^ Dec 05 09:10:11.765 INFO [stderr] | | Dec 05 09:10:11.765 INFO [stderr] | help: remove this `mut` Dec 05 09:10:11.765 INFO [stderr] | Dec 05 09:10:11.765 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 05 09:10:11.765 INFO [stderr] Dec 05 09:10:11.765 INFO [stderr] warning: variable does not need to be mutable Dec 05 09:10:11.765 INFO [stderr] --> src/buffer/buffer.rs:525:10 Dec 05 09:10:11.765 INFO [stderr] | Dec 05 09:10:11.765 INFO [stderr] 525 | fn from(mut value: &'a mut Buffer) -> View<'a, P, C> { Dec 05 09:10:11.765 INFO [stderr] | ----^^^^^ Dec 05 09:10:11.765 INFO [stderr] | | Dec 05 09:10:11.765 INFO [stderr] | help: remove this `mut` Dec 05 09:10:11.765 INFO [stderr] Dec 05 09:10:12.059 INFO [stderr] warning: field is never used: `owner` Dec 05 09:10:12.059 INFO [stderr] --> src/iter/pixel/immutable.rs:27:2 Dec 05 09:10:12.059 INFO [stderr] | Dec 05 09:10:12.059 INFO [stderr] 27 | owner: Region, Dec 05 09:10:12.059 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 09:10:12.059 INFO [stderr] | Dec 05 09:10:12.060 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 09:10:12.060 INFO [stderr] Dec 05 09:10:12.060 INFO [stderr] warning: field is never used: `owner` Dec 05 09:10:12.060 INFO [stderr] --> src/iter/pixel/mutable.rs:28:2 Dec 05 09:10:12.060 INFO [stderr] | Dec 05 09:10:12.060 INFO [stderr] 28 | owner: Region, Dec 05 09:10:12.060 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 09:10:12.060 INFO [stderr] Dec 05 09:10:13.010 INFO [stderr] warning: variable does not need to be mutable Dec 05 09:10:13.010 INFO [stderr] --> src/buffer/buffer.rs:514:10 Dec 05 09:10:13.010 INFO [stderr] | Dec 05 09:10:13.010 INFO [stderr] 514 | fn from(mut value: &'a mut Buffer) -> view::Write<'a, P, C> { Dec 05 09:10:13.010 INFO [stderr] | ----^^^^^ Dec 05 09:10:13.010 INFO [stderr] | | Dec 05 09:10:13.015 INFO [stderr] | help: remove this `mut` Dec 05 09:10:13.015 INFO [stderr] | Dec 05 09:10:13.015 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 05 09:10:13.015 INFO [stderr] Dec 05 09:10:13.015 INFO [stderr] warning: variable does not need to be mutable Dec 05 09:10:13.015 INFO [stderr] --> src/buffer/buffer.rs:525:10 Dec 05 09:10:13.015 INFO [stderr] | Dec 05 09:10:13.015 INFO [stderr] 525 | fn from(mut value: &'a mut Buffer) -> View<'a, P, C> { Dec 05 09:10:13.015 INFO [stderr] | ----^^^^^ Dec 05 09:10:13.015 INFO [stderr] | | Dec 05 09:10:13.015 INFO [stderr] | help: remove this `mut` Dec 05 09:10:13.015 INFO [stderr] Dec 05 09:10:13.975 INFO [stderr] warning: field is never used: `owner` Dec 05 09:10:13.975 INFO [stderr] --> src/iter/pixel/immutable.rs:27:2 Dec 05 09:10:13.975 INFO [stderr] | Dec 05 09:10:13.975 INFO [stderr] 27 | owner: Region, Dec 05 09:10:13.975 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 09:10:13.975 INFO [stderr] | Dec 05 09:10:13.975 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 09:10:13.975 INFO [stderr] Dec 05 09:10:13.975 INFO [stderr] warning: field is never used: `owner` Dec 05 09:10:13.975 INFO [stderr] --> src/iter/pixel/mutable.rs:28:2 Dec 05 09:10:13.975 INFO [stderr] | Dec 05 09:10:13.975 INFO [stderr] 28 | owner: Region, Dec 05 09:10:13.975 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 09:10:13.975 INFO [stderr] Dec 05 09:10:21.251 INFO [stderr] warning: constant item is never used: `LOWER` Dec 05 09:10:21.251 INFO [stderr] --> examples/draw.rs:25:1 Dec 05 09:10:21.251 INFO [stderr] | Dec 05 09:10:21.251 INFO [stderr] 25 | const LOWER: char = '▄'; Dec 05 09:10:21.251 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 09:10:21.271 INFO [stderr] | Dec 05 09:10:21.271 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 09:10:21.271 INFO [stderr] Dec 05 09:10:25.599 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.89s Dec 05 09:10:25.616 INFO [stderr] su: No module specific data is present Dec 05 09:10:25.912 INFO running `"docker" "inspect" "71872d177a1841381c410bdf83f9108a489affe07261fd58c6415fb8a2d2cfae"` Dec 05 09:10:26.029 INFO running `"docker" "rm" "-f" "71872d177a1841381c410bdf83f9108a489affe07261fd58c6415fb8a2d2cfae"` Dec 05 09:10:26.096 INFO [stdout] 71872d177a1841381c410bdf83f9108a489affe07261fd58c6415fb8a2d2cfae