Dec 15 01:46:42.937 INFO testing picto-0.4.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 01:46:42.937 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 01:46:43.103 INFO [stdout] b5850a571d9f8ce496d982c187609e668555d61f1879b126cd72ad782e236415
Dec 15 01:46:43.108 INFO running `"docker" "start" "-a" "b5850a571d9f8ce496d982c187609e668555d61f1879b126cd72ad782e236415"`
Dec 15 01:46:43.610 INFO [stderr] usermod: no changes
Dec 15 01:46:43.727 INFO [stderr]    Compiling exoquant v0.2.0
Dec 15 01:46:43.728 INFO [stderr]    Compiling png v0.6.2
Dec 15 01:46:43.728 INFO [stderr]    Compiling xyz v0.2.1
Dec 15 01:46:43.728 INFO [stderr]    Compiling imagefmt v4.0.0
Dec 15 01:46:43.728 INFO [stderr]    Compiling palette v0.2.1
Dec 15 01:46:51.435 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 15 01:46:55.463 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:46:55.463 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 15 01:46:55.463 INFO [stderr]     |
Dec 15 01:46:55.463 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 15 01:46:55.463 INFO [stderr]     |             ----^^^^^
Dec 15 01:46:55.463 INFO [stderr]     |             |
Dec 15 01:46:55.463 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:46:55.464 INFO [stderr]     |
Dec 15 01:46:55.464 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 01:46:55.464 INFO [stderr] 
Dec 15 01:46:55.464 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:46:55.464 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 15 01:46:55.464 INFO [stderr]     |
Dec 15 01:46:55.464 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 15 01:46:55.464 INFO [stderr]     |             ----^^^^^
Dec 15 01:46:55.464 INFO [stderr]     |             |
Dec 15 01:46:55.464 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:46:55.464 INFO [stderr] 
Dec 15 01:46:55.846 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:46:55.846 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 15 01:46:55.846 INFO [stderr]    |
Dec 15 01:46:55.846 INFO [stderr] 27 |     owner: Region,
Dec 15 01:46:55.846 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:46:55.846 INFO [stderr]    |
Dec 15 01:46:55.846 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:46:55.846 INFO [stderr] 
Dec 15 01:46:55.846 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:46:55.846 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 15 01:46:55.846 INFO [stderr]    |
Dec 15 01:46:55.846 INFO [stderr] 28 |     owner: Region,
Dec 15 01:46:55.846 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:46:55.846 INFO [stderr] 
Dec 15 01:46:56.311 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.68s
Dec 15 01:46:56.321 INFO [stderr] su: No module specific data is present
Dec 15 01:46:57.025 INFO running `"docker" "inspect" "b5850a571d9f8ce496d982c187609e668555d61f1879b126cd72ad782e236415"`
Dec 15 01:46:57.177 INFO running `"docker" "rm" "-f" "b5850a571d9f8ce496d982c187609e668555d61f1879b126cd72ad782e236415"`
Dec 15 01:46:57.474 INFO [stdout] b5850a571d9f8ce496d982c187609e668555d61f1879b126cd72ad782e236415
Dec 15 01:46:57.477 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 01:46:57.865 INFO [stdout] 1e55862855b0600c81bea5369c96dda1b987d5fa4a49f4d9b0f31f24f368d17d
Dec 15 01:46:57.871 INFO running `"docker" "start" "-a" "1e55862855b0600c81bea5369c96dda1b987d5fa4a49f4d9b0f31f24f368d17d"`
Dec 15 01:46:59.159 INFO [stderr] usermod: no changes
Dec 15 01:46:59.323 INFO [stderr]    Compiling image v0.12.4
Dec 15 01:47:13.131 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 15 01:47:27.615 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:27.615 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 15 01:47:27.615 INFO [stderr]     |
Dec 15 01:47:27.615 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 15 01:47:27.615 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:27.615 INFO [stderr]     |             |
Dec 15 01:47:27.615 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:27.615 INFO [stderr]     |
Dec 15 01:47:27.615 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 01:47:27.615 INFO [stderr] 
Dec 15 01:47:27.615 INFO [stderr] warning: variable does not need to be mutable
Dec 15 01:47:27.615 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 15 01:47:27.615 INFO [stderr]     |
Dec 15 01:47:27.615 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 15 01:47:27.615 INFO [stderr]     |             ----^^^^^
Dec 15 01:47:27.615 INFO [stderr]     |             |
Dec 15 01:47:27.615 INFO [stderr]     |             help: remove this `mut`
Dec 15 01:47:27.615 INFO [stderr] 
Dec 15 01:47:30.003 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:30.003 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 15 01:47:30.003 INFO [stderr]    |
Dec 15 01:47:30.003 INFO [stderr] 27 |     owner: Region,
Dec 15 01:47:30.003 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:30.003 INFO [stderr]    |
Dec 15 01:47:30.003 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:47:30.003 INFO [stderr] 
Dec 15 01:47:30.003 INFO [stderr] warning: field is never used: `owner`
Dec 15 01:47:30.003 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 15 01:47:30.003 INFO [stderr]    |
Dec 15 01:47:30.003 INFO [stderr] 28 |     owner: Region,
Dec 15 01:47:30.003 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 15 01:47:30.003 INFO [stderr] 
Dec 15 01:47:31.479 INFO [stderr] warning: constant item is never used: `LOWER`
Dec 15 01:47:31.479 INFO [stderr]   --> examples/draw.rs:25:1
Dec 15 01:47:31.479 INFO [stderr]    |
Dec 15 01:47:31.479 INFO [stderr] 25 | const LOWER: char = '▄';
Dec 15 01:47:31.479 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 01:47:31.479 INFO [stderr]    |
Dec 15 01:47:31.479 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 01:47:31.479 INFO [stderr] 
Dec 15 01:47:46.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.11s
Dec 15 01:47:46.318 INFO [stderr] su: No module specific data is present
Dec 15 01:47:47.025 INFO running `"docker" "inspect" "1e55862855b0600c81bea5369c96dda1b987d5fa4a49f4d9b0f31f24f368d17d"`
Dec 15 01:47:47.335 INFO running `"docker" "rm" "-f" "1e55862855b0600c81bea5369c96dda1b987d5fa4a49f4d9b0f31f24f368d17d"`
Dec 15 01:47:47.667 INFO [stdout] 1e55862855b0600c81bea5369c96dda1b987d5fa4a49f4d9b0f31f24f368d17d