Dec 07 04:34:11.456 INFO testing picto-0.4.3 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 04:34:11.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 04:34:11.617 INFO [stdout] b6dc1a33c4269017ce59f7e4c79f2fe050810653f00a806c47c1e53b553baae6
Dec 07 04:34:11.618 INFO running `"docker" "start" "-a" "b6dc1a33c4269017ce59f7e4c79f2fe050810653f00a806c47c1e53b553baae6"`
Dec 07 04:34:12.647 INFO [stderr] usermod: no changes
Dec 07 04:34:12.805 INFO [stderr]    Compiling exoquant v0.2.0
Dec 07 04:34:12.813 INFO [stderr]    Compiling png v0.6.2
Dec 07 04:34:12.813 INFO [stderr]    Compiling xyz v0.2.1
Dec 07 04:34:12.813 INFO [stderr]    Compiling imagefmt v4.0.0
Dec 07 04:34:12.813 INFO [stderr]    Compiling palette v0.2.1
Dec 07 04:34:23.921 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 07 04:34:28.288 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:34:28.288 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 07 04:34:28.288 INFO [stderr]     |
Dec 07 04:34:28.288 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 07 04:34:28.288 INFO [stderr]     |             ----^^^^^
Dec 07 04:34:28.288 INFO [stderr]     |             |
Dec 07 04:34:28.288 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:34:28.288 INFO [stderr]     |
Dec 07 04:34:28.288 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 04:34:28.288 INFO [stderr] 
Dec 07 04:34:28.292 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:34:28.292 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 07 04:34:28.292 INFO [stderr]     |
Dec 07 04:34:28.292 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 07 04:34:28.292 INFO [stderr]     |             ----^^^^^
Dec 07 04:34:28.292 INFO [stderr]     |             |
Dec 07 04:34:28.292 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:34:28.292 INFO [stderr] 
Dec 07 04:34:28.584 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:34:28.584 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 07 04:34:28.584 INFO [stderr]    |
Dec 07 04:34:28.584 INFO [stderr] 27 |     owner: Region,
Dec 07 04:34:28.584 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:34:28.584 INFO [stderr]    |
Dec 07 04:34:28.584 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:34:28.584 INFO [stderr] 
Dec 07 04:34:28.584 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:34:28.584 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 07 04:34:28.584 INFO [stderr]    |
Dec 07 04:34:28.584 INFO [stderr] 28 |     owner: Region,
Dec 07 04:34:28.584 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:34:28.584 INFO [stderr] 
Dec 07 04:34:29.096 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
Dec 07 04:34:29.116 INFO [stderr] su: No module specific data is present
Dec 07 04:34:29.752 INFO running `"docker" "inspect" "b6dc1a33c4269017ce59f7e4c79f2fe050810653f00a806c47c1e53b553baae6"`
Dec 07 04:34:30.048 INFO running `"docker" "rm" "-f" "b6dc1a33c4269017ce59f7e4c79f2fe050810653f00a806c47c1e53b553baae6"`
Dec 07 04:34:30.332 INFO [stdout] b6dc1a33c4269017ce59f7e4c79f2fe050810653f00a806c47c1e53b553baae6
Dec 07 04:34:30.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 04:34:30.849 INFO [stdout] 5c7bc6e9827e1b85964c8f63cb17069bfe0f2689cf9e5425aa55cb740725f92f
Dec 07 04:34:30.851 INFO running `"docker" "start" "-a" "5c7bc6e9827e1b85964c8f63cb17069bfe0f2689cf9e5425aa55cb740725f92f"`
Dec 07 04:34:32.172 INFO [stderr] usermod: no changes
Dec 07 04:34:32.429 INFO [stderr]    Compiling image v0.12.4
Dec 07 04:34:46.432 INFO [stderr]    Compiling picto v0.4.3 (/source)
Dec 07 04:35:03.220 INFO [stderr] warning: constant item is never used: `LOWER`
Dec 07 04:35:03.220 INFO [stderr]   --> examples/draw.rs:25:1
Dec 07 04:35:03.220 INFO [stderr]    |
Dec 07 04:35:03.220 INFO [stderr] 25 | const LOWER: char = '▄';
Dec 07 04:35:03.220 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 04:35:03.220 INFO [stderr]    |
Dec 07 04:35:03.220 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:35:03.220 INFO [stderr] 
Dec 07 04:35:08.688 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:35:08.688 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Dec 07 04:35:08.688 INFO [stderr]     |
Dec 07 04:35:08.688 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Dec 07 04:35:08.688 INFO [stderr]     |             ----^^^^^
Dec 07 04:35:08.688 INFO [stderr]     |             |
Dec 07 04:35:08.688 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:35:08.704 INFO [stderr]     |
Dec 07 04:35:08.704 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 04:35:08.704 INFO [stderr] 
Dec 07 04:35:08.704 INFO [stderr] warning: variable does not need to be mutable
Dec 07 04:35:08.704 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Dec 07 04:35:08.704 INFO [stderr]     |
Dec 07 04:35:08.704 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Dec 07 04:35:08.704 INFO [stderr]     |             ----^^^^^
Dec 07 04:35:08.704 INFO [stderr]     |             |
Dec 07 04:35:08.704 INFO [stderr]     |             help: remove this `mut`
Dec 07 04:35:08.704 INFO [stderr] 
Dec 07 04:35:09.960 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:35:09.960 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Dec 07 04:35:09.960 INFO [stderr]    |
Dec 07 04:35:09.960 INFO [stderr] 27 |     owner: Region,
Dec 07 04:35:09.960 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:35:09.960 INFO [stderr]    |
Dec 07 04:35:09.960 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 04:35:09.960 INFO [stderr] 
Dec 07 04:35:09.961 INFO [stderr] warning: field is never used: `owner`
Dec 07 04:35:09.961 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Dec 07 04:35:09.961 INFO [stderr]    |
Dec 07 04:35:09.961 INFO [stderr] 28 |     owner: Region,
Dec 07 04:35:09.961 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 07 04:35:09.961 INFO [stderr] 
Dec 07 04:35:16.269 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.08s
Dec 07 04:35:16.279 INFO [stderr] su: No module specific data is present
Dec 07 04:35:16.581 INFO running `"docker" "inspect" "5c7bc6e9827e1b85964c8f63cb17069bfe0f2689cf9e5425aa55cb740725f92f"`
Dec 07 04:35:16.646 INFO running `"docker" "rm" "-f" "5c7bc6e9827e1b85964c8f63cb17069bfe0f2689cf9e5425aa55cb740725f92f"`
Dec 07 04:35:16.731 INFO [stdout] 5c7bc6e9827e1b85964c8f63cb17069bfe0f2689cf9e5425aa55cb740725f92f