Dec 07 04:34:14.523 INFO testing picto-0.4.3 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 04:34:14.523 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 07 04:34:14.904 INFO [stdout] 32efc115b58291ba942b70c33eb60512c13ad419169c8175b901efd499e7d687
Dec 07 04:34:14.906 INFO running `"docker" "start" "-a" "32efc115b58291ba942b70c33eb60512c13ad419169c8175b901efd499e7d687"`
Dec 07 04:34:15.952 INFO [stderr] usermod: no changes
Dec 07 04:34:16.240 INFO [stderr]    Compiling png v0.6.2
Dec 07 04:34:16.244 INFO [stderr]    Compiling imagefmt v4.0.0
Dec 07 04:34:16.244 INFO [stderr]    Compiling xyz v0.2.1
Dec 07 04:34:16.244 INFO [stderr]    Compiling palette v0.2.1
Dec 07 04:34:25.592 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 07 04:34:30.154 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:34:30.154 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 07 04:34:30.154 INFO [stderr]     |
Dec 07 04:34:30.154 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 07 04:34:30.154 INFO [stderr]     |             ----^^^^^
Dec 07 04:34:30.154 INFO [stderr]     |             |
Dec 07 04:34:30.154 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:34:30.154 INFO [stderr]     |
Dec 07 04:34:30.154 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 04:34:30.154 INFO [stderr] 
Dec 07 04:34:30.161 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:34:30.161 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 07 04:34:30.162 INFO [stderr]     |
Dec 07 04:34:30.162 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 07 04:34:30.162 INFO [stderr]     |             ----^^^^^
Dec 07 04:34:30.162 INFO [stderr]     |             |
Dec 07 04:34:30.162 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:34:30.162 INFO [stderr] 
Dec 07 04:34:30.449 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:34:30.449 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 07 04:34:30.449 INFO [stderr]    |
Dec 07 04:34:30.449 INFO [stderr] 27 |     owner: Region,
Dec 07 04:34:30.449 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:34:30.449 INFO [stderr]    |
Dec 07 04:34:30.452 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:34:30.452 INFO [stderr] 
Dec 07 04:34:30.452 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:34:30.452 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 07 04:34:30.452 INFO [stderr]    |
Dec 07 04:34:30.452 INFO [stderr] 28 |     owner: Region,
Dec 07 04:34:30.452 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:34:30.452 INFO [stderr] 
Dec 07 04:34:31.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
Dec 07 04:34:31.008 INFO [stderr] su: No module specific data is present
Dec 07 04:34:31.593 INFO running `"docker" "inspect" "32efc115b58291ba942b70c33eb60512c13ad419169c8175b901efd499e7d687"`
Dec 07 04:34:31.841 INFO running `"docker" "rm" "-f" "32efc115b58291ba942b70c33eb60512c13ad419169c8175b901efd499e7d687"`
Dec 07 04:34:32.072 INFO [stdout] 32efc115b58291ba942b70c33eb60512c13ad419169c8175b901efd499e7d687
Dec 07 04:34:32.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 07 04:34:32.447 INFO [stdout] 24e9604d450c65070bd43ce01984a3cecd660b2602f188cf4136a7f8f05318f1
Dec 07 04:34:32.452 INFO running `"docker" "start" "-a" "24e9604d450c65070bd43ce01984a3cecd660b2602f188cf4136a7f8f05318f1"`
Dec 07 04:34:33.563 INFO [stderr] usermod: no changes
Dec 07 04:34:33.756 INFO [stderr]    Compiling image v0.12.4
Dec 07 04:34:48.344 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 07 04:35:02.316 INFO [stderr] warning: constant item is never used: `LOWER`
Dec 07 04:35:02.316 INFO [stderr]   --> examples/draw.rs:25:1
Dec 07 04:35:02.316 INFO [stderr]    |
Dec 07 04:35:02.316 INFO [stderr] 25 | const LOWER: char = '▄';
Dec 07 04:35:02.316 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 04:35:02.316 INFO [stderr]    |
Dec 07 04:35:02.316 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:35:02.316 INFO [stderr] 
Dec 07 04:35:06.647 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:35:06.647 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 07 04:35:06.647 INFO [stderr]     |
Dec 07 04:35:06.647 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 07 04:35:06.647 INFO [stderr]     |             ----^^^^^
Dec 07 04:35:06.647 INFO [stderr]     |             |
Dec 07 04:35:06.647 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:35:06.647 INFO [stderr]     |
Dec 07 04:35:06.647 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 04:35:06.647 INFO [stderr] 
Dec 07 04:35:06.647 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:35:06.647 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 07 04:35:06.647 INFO [stderr]     |
Dec 07 04:35:06.647 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 07 04:35:06.647 INFO [stderr]     |             ----^^^^^
Dec 07 04:35:06.647 INFO [stderr]     |             |
Dec 07 04:35:06.647 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:35:06.647 INFO [stderr] 
Dec 07 04:35:08.120 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:35:08.120 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 07 04:35:08.120 INFO [stderr]    |
Dec 07 04:35:08.120 INFO [stderr] 27 |     owner: Region,
Dec 07 04:35:08.120 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:35:08.120 INFO [stderr]    |
Dec 07 04:35:08.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:35:08.120 INFO [stderr] 
Dec 07 04:35:08.120 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:35:08.120 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 07 04:35:08.120 INFO [stderr]    |
Dec 07 04:35:08.120 INFO [stderr] 28 |     owner: Region,
Dec 07 04:35:08.120 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:35:08.120 INFO [stderr] 
Dec 07 04:35:16.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.96s
Dec 07 04:35:16.556 INFO [stderr] su: No module specific data is present
Dec 07 04:35:16.810 INFO running `"docker" "inspect" "24e9604d450c65070bd43ce01984a3cecd660b2602f188cf4136a7f8f05318f1"`
Dec 07 04:35:16.922 INFO running `"docker" "rm" "-f" "24e9604d450c65070bd43ce01984a3cecd660b2602f188cf4136a7f8f05318f1"`
Dec 07 04:35:17.021 INFO [stdout] 24e9604d450c65070bd43ce01984a3cecd660b2602f188cf4136a7f8f05318f1