Dec 05 09:09:56.899 INFO checking picto-0.4.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 09:09:56.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 09:09:57.382 INFO [stdout] 04ee480bdfe2247234c97a3dae3452fb807b5e71d0189a1cdc7388104eafafb8
Dec 05 09:09:57.382 INFO running `"docker" "start" "-a" "04ee480bdfe2247234c97a3dae3452fb807b5e71d0189a1cdc7388104eafafb8"`
Dec 05 09:09:58.866 INFO [stderr] usermod: no changes
Dec 05 09:09:59.055 INFO [stderr]     Checking exoquant v0.2.0
Dec 05 09:09:59.063 INFO [stderr]     Checking xyz v0.2.1
Dec 05 09:09:59.063 INFO [stderr]     Checking imagefmt v4.0.0
Dec 05 09:09:59.063 INFO [stderr]    Compiling palette v0.2.1
Dec 05 09:09:59.063 INFO [stderr]     Checking image v0.12.4
Dec 05 09:10:07.375 INFO [stderr]     Checking picto v0.4.3 (/source)
Dec 05 09:10:11.155 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:10:11.155 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 05 09:10:11.155 INFO [stderr]     |
Dec 05 09:10:11.155 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 05 09:10:11.155 INFO [stderr]     |             ----^^^^^
Dec 05 09:10:11.155 INFO [stderr]     |             |
Dec 05 09:10:11.155 INFO [stderr]     |             help: remove this `mut`
Dec 05 09:10:11.155 INFO [stderr]     |
Dec 05 09:10:11.155 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 09:10:11.155 INFO [stderr] 
Dec 05 09:10:11.155 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:10:11.155 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 05 09:10:11.155 INFO [stderr]     |
Dec 05 09:10:11.155 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 05 09:10:11.155 INFO [stderr]     |             ----^^^^^
Dec 05 09:10:11.155 INFO [stderr]     |             |
Dec 05 09:10:11.155 INFO [stderr]     |             help: remove this `mut`
Dec 05 09:10:11.155 INFO [stderr] 
Dec 05 09:10:11.475 INFO [stderr] warning: field is never used: `owner`
Dec 05 09:10:11.475 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 05 09:10:11.475 INFO [stderr]    |
Dec 05 09:10:11.475 INFO [stderr] 27 |     owner: Region,
Dec 05 09:10:11.475 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 09:10:11.475 INFO [stderr]    |
Dec 05 09:10:11.475 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 09:10:11.475 INFO [stderr] 
Dec 05 09:10:11.475 INFO [stderr] warning: field is never used: `owner`
Dec 05 09:10:11.475 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 05 09:10:11.475 INFO [stderr]    |
Dec 05 09:10:11.475 INFO [stderr] 28 |     owner: Region,
Dec 05 09:10:11.475 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 09:10:11.475 INFO [stderr] 
Dec 05 09:10:14.611 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:10:14.611 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 05 09:10:14.611 INFO [stderr]     |
Dec 05 09:10:14.611 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 05 09:10:14.611 INFO [stderr]     |             ----^^^^^
Dec 05 09:10:14.611 INFO [stderr]     |             |
Dec 05 09:10:14.611 INFO [stderr]     |             help: remove this `mut`
Dec 05 09:10:14.611 INFO [stderr]     |
Dec 05 09:10:14.611 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 09:10:14.611 INFO [stderr] 
Dec 05 09:10:14.619 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:10:14.619 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 05 09:10:14.619 INFO [stderr]     |
Dec 05 09:10:14.619 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 05 09:10:14.619 INFO [stderr]     |             ----^^^^^
Dec 05 09:10:14.619 INFO [stderr]     |             |
Dec 05 09:10:14.619 INFO [stderr]     |             help: remove this `mut`
Dec 05 09:10:14.619 INFO [stderr] 
Dec 05 09:10:15.351 INFO [stderr] warning: field is never used: `owner`
Dec 05 09:10:15.351 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 05 09:10:15.351 INFO [stderr]    |
Dec 05 09:10:15.351 INFO [stderr] 27 |     owner: Region,
Dec 05 09:10:15.351 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 09:10:15.351 INFO [stderr]    |
Dec 05 09:10:15.351 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 09:10:15.351 INFO [stderr] 
Dec 05 09:10:15.351 INFO [stderr] warning: field is never used: `owner`
Dec 05 09:10:15.351 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 05 09:10:15.351 INFO [stderr]    |
Dec 05 09:10:15.351 INFO [stderr] 28 |     owner: Region,
Dec 05 09:10:15.351 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 09:10:15.351 INFO [stderr] 
Dec 05 09:10:24.983 INFO [stderr] warning: constant item is never used: `LOWER`
Dec 05 09:10:24.983 INFO [stderr]   --> examples/draw.rs:25:1
Dec 05 09:10:24.983 INFO [stderr]    |
Dec 05 09:10:24.983 INFO [stderr] 25 | const LOWER: char = '▄';
Dec 05 09:10:24.983 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:10:24.983 INFO [stderr]    |
Dec 05 09:10:24.983 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 09:10:24.983 INFO [stderr] 
Dec 05 09:10:25.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.41s
Dec 05 09:10:25.314 INFO [stderr] su: No module specific data is present
Dec 05 09:10:25.800 INFO running `"docker" "inspect" "04ee480bdfe2247234c97a3dae3452fb807b5e71d0189a1cdc7388104eafafb8"`
Dec 05 09:10:25.948 INFO running `"docker" "rm" "-f" "04ee480bdfe2247234c97a3dae3452fb807b5e71d0189a1cdc7388104eafafb8"`
Dec 05 09:10:26.033 INFO [stdout] 04ee480bdfe2247234c97a3dae3452fb807b5e71d0189a1cdc7388104eafafb8