Dec 15 01:46:45.427 INFO testing picto-0.4.3 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 01:46:45.427 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 01:46:45.815 INFO [stdout] 3c0dcd8ca400ef80e0b74ba01d77777fa889aa45f50b51ea061a4f021922d30e
Dec 15 01:46:45.822 INFO running `"docker" "start" "-a" "3c0dcd8ca400ef80e0b74ba01d77777fa889aa45f50b51ea061a4f021922d30e"`
Dec 15 01:46:47.543 INFO [stderr] usermod: no changes
Dec 15 01:46:47.752 INFO [stderr]    Compiling exoquant v0.2.0
Dec 15 01:46:47.757 INFO [stderr]    Compiling png v0.6.2
Dec 15 01:46:47.757 INFO [stderr]    Compiling xyz v0.2.1
Dec 15 01:46:47.757 INFO [stderr]    Compiling palette v0.2.1
Dec 15 01:46:57.439 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 15 01:47:01.395 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:01.395 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 15 01:47:01.395 INFO [stderr]     |
Dec 15 01:47:01.395 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 15 01:47:01.395 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:01.395 INFO [stderr]     |             |
Dec 15 01:47:01.395 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:01.395 INFO [stderr]     |
Dec 15 01:47:01.395 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 01:47:01.395 INFO [stderr] 
Dec 15 01:47:01.395 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:01.395 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 15 01:47:01.395 INFO [stderr]     |
Dec 15 01:47:01.395 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 15 01:47:01.395 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:01.395 INFO [stderr]     |             |
Dec 15 01:47:01.395 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:01.395 INFO [stderr] 
Dec 15 01:47:01.691 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:01.691 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 15 01:47:01.691 INFO [stderr]    |
Dec 15 01:47:01.691 INFO [stderr] 27 |     owner: Region,
Dec 15 01:47:01.691 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:01.691 INFO [stderr]    |
Dec 15 01:47:01.691 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:47:01.691 INFO [stderr] 
Dec 15 01:47:01.691 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:01.691 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 15 01:47:01.691 INFO [stderr]    |
Dec 15 01:47:01.691 INFO [stderr] 28 |     owner: Region,
Dec 15 01:47:01.691 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:01.691 INFO [stderr] 
Dec 15 01:47:02.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
Dec 15 01:47:02.366 INFO [stderr] su: No module specific data is present
Dec 15 01:47:03.099 INFO running `"docker" "inspect" "3c0dcd8ca400ef80e0b74ba01d77777fa889aa45f50b51ea061a4f021922d30e"`
Dec 15 01:47:03.364 INFO running `"docker" "rm" "-f" "3c0dcd8ca400ef80e0b74ba01d77777fa889aa45f50b51ea061a4f021922d30e"`
Dec 15 01:47:03.587 INFO [stdout] 3c0dcd8ca400ef80e0b74ba01d77777fa889aa45f50b51ea061a4f021922d30e
Dec 15 01:47:03.591 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 01:47:04.025 INFO [stdout] 35c3e8fa846437dc7edeba010795b6eabea052c8596fb783fdb4d6023ac06f74
Dec 15 01:47:04.027 INFO running `"docker" "start" "-a" "35c3e8fa846437dc7edeba010795b6eabea052c8596fb783fdb4d6023ac06f74"`
Dec 15 01:47:05.540 INFO [stderr] usermod: no changes
Dec 15 01:47:05.722 INFO [stderr]    Compiling image v0.12.4
Dec 15 01:47:20.523 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 15 01:47:36.676 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:36.676 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 15 01:47:36.676 INFO [stderr]     |
Dec 15 01:47:36.676 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 15 01:47:36.677 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:36.677 INFO [stderr]     |             |
Dec 15 01:47:36.677 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:36.677 INFO [stderr]     |
Dec 15 01:47:36.677 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 01:47:36.677 INFO [stderr] 
Dec 15 01:47:36.699 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:36.699 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 15 01:47:36.699 INFO [stderr]     |
Dec 15 01:47:36.699 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 15 01:47:36.699 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:36.699 INFO [stderr]     |             |
Dec 15 01:47:36.699 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:36.699 INFO [stderr] 
Dec 15 01:47:37.883 INFO [stderr] warning: constant item is never used: `LOWER`
Dec 15 01:47:37.883 INFO [stderr]   --> examples/draw.rs:25:1
Dec 15 01:47:37.883 INFO [stderr]    |
Dec 15 01:47:37.883 INFO [stderr] 25 | const LOWER: char = '▄';
Dec 15 01:47:37.883 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 01:47:37.911 INFO [stderr]    |
Dec 15 01:47:37.911 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:47:37.911 INFO [stderr] 
Dec 15 01:47:38.915 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:38.915 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 15 01:47:38.915 INFO [stderr]    |
Dec 15 01:47:38.915 INFO [stderr] 27 |     owner: Region,
Dec 15 01:47:38.915 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:38.930 INFO [stderr]    |
Dec 15 01:47:38.930 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:47:38.930 INFO [stderr] 
Dec 15 01:47:38.930 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:38.930 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 15 01:47:38.930 INFO [stderr]    |
Dec 15 01:47:38.930 INFO [stderr] 28 |     owner: Region,
Dec 15 01:47:38.930 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:38.930 INFO [stderr] 
Dec 15 01:47:51.517 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.95s
Dec 15 01:47:51.528 INFO [stderr] su: No module specific data is present
Dec 15 01:47:51.754 INFO running `"docker" "inspect" "35c3e8fa846437dc7edeba010795b6eabea052c8596fb783fdb4d6023ac06f74"`
Dec 15 01:47:51.878 INFO running `"docker" "rm" "-f" "35c3e8fa846437dc7edeba010795b6eabea052c8596fb783fdb4d6023ac06f74"`
Dec 15 01:47:52.037 INFO [stdout] 35c3e8fa846437dc7edeba010795b6eabea052c8596fb783fdb4d6023ac06f74