Nov 18 03:57:43.455 INFO testing picto-0.4.3 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 03:57:43.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 03:57:43.641 INFO [stdout] 87fa6a62678ae0bb2dfea171aa26b8eaaf628a1188e22c0ecf78d0e0bd0a5eeb
Nov 18 03:57:43.644 INFO running `"docker" "start" "-a" "87fa6a62678ae0bb2dfea171aa26b8eaaf628a1188e22c0ecf78d0e0bd0a5eeb"`
Nov 18 03:57:44.107 INFO [stderr] usermod: no changes
Nov 18 03:57:44.325 INFO [stderr]    Compiling exoquant v0.2.0
Nov 18 03:57:44.328 INFO [stderr]    Compiling palette v0.2.1
Nov 18 03:57:44.329 INFO [stderr]    Compiling png v0.6.2
Nov 18 03:57:44.330 INFO [stderr]    Compiling imagefmt v4.0.0
Nov 18 03:57:44.330 INFO [stderr]    Compiling xyz v0.2.1
Nov 18 03:57:51.227 INFO [stderr]    Compiling picto v0.4.3 (/source)
Nov 18 03:57:54.700 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:57:54.700 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Nov 18 03:57:54.700 INFO [stderr]     |
Nov 18 03:57:54.700 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Nov 18 03:57:54.700 INFO [stderr]     |             ----^^^^^
Nov 18 03:57:54.700 INFO [stderr]     |             |
Nov 18 03:57:54.700 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:57:54.700 INFO [stderr]     |
Nov 18 03:57:54.700 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 03:57:54.700 INFO [stderr] 
Nov 18 03:57:54.700 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:57:54.700 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Nov 18 03:57:54.700 INFO [stderr]     |
Nov 18 03:57:54.700 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Nov 18 03:57:54.700 INFO [stderr]     |             ----^^^^^
Nov 18 03:57:54.700 INFO [stderr]     |             |
Nov 18 03:57:54.700 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:57:54.700 INFO [stderr] 
Nov 18 03:57:54.982 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:57:54.982 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Nov 18 03:57:54.982 INFO [stderr]    |
Nov 18 03:57:54.982 INFO [stderr] 27 |     owner: Region,
Nov 18 03:57:54.982 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:57:54.982 INFO [stderr]    |
Nov 18 03:57:54.982 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:57:54.982 INFO [stderr] 
Nov 18 03:57:54.982 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:57:54.982 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Nov 18 03:57:54.983 INFO [stderr]    |
Nov 18 03:57:54.983 INFO [stderr] 28 |     owner: Region,
Nov 18 03:57:54.983 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:57:54.983 INFO [stderr] 
Nov 18 03:57:55.410 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.27s
Nov 18 03:57:55.415 INFO [stderr] su: No module specific data is present
Nov 18 03:57:55.909 INFO running `"docker" "inspect" "87fa6a62678ae0bb2dfea171aa26b8eaaf628a1188e22c0ecf78d0e0bd0a5eeb"`
Nov 18 03:57:56.092 INFO running `"docker" "rm" "-f" "87fa6a62678ae0bb2dfea171aa26b8eaaf628a1188e22c0ecf78d0e0bd0a5eeb"`
Nov 18 03:57:56.266 INFO [stdout] 87fa6a62678ae0bb2dfea171aa26b8eaaf628a1188e22c0ecf78d0e0bd0a5eeb
Nov 18 03:57:56.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 03:57:56.509 INFO [stdout] 3528127d021f95fa6c42f34f05206c6f9c392cfca862e66bd37956f42359a98e
Nov 18 03:57:56.510 INFO running `"docker" "start" "-a" "3528127d021f95fa6c42f34f05206c6f9c392cfca862e66bd37956f42359a98e"`
Nov 18 03:57:57.012 INFO [stderr] usermod: no changes
Nov 18 03:57:57.163 INFO [stderr]    Compiling image v0.12.4
Nov 18 03:58:06.962 INFO [stderr]    Compiling picto v0.4.3 (/source)
Nov 18 03:58:12.503 INFO [stderr] warning: constant item is never used: `LOWER`
Nov 18 03:58:12.503 INFO [stderr]   --> examples/draw.rs:25:1
Nov 18 03:58:12.503 INFO [stderr]    |
Nov 18 03:58:12.503 INFO [stderr] 25 | const LOWER: char = '▄';
Nov 18 03:58:12.503 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 03:58:12.503 INFO [stderr]    |
Nov 18 03:58:12.503 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:58:12.503 INFO [stderr] 
Nov 18 03:58:17.225 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:58:17.225 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Nov 18 03:58:17.226 INFO [stderr]     |
Nov 18 03:58:17.226 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Nov 18 03:58:17.226 INFO [stderr]     |             ----^^^^^
Nov 18 03:58:17.227 INFO [stderr]     |             |
Nov 18 03:58:17.227 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:58:17.227 INFO [stderr]     |
Nov 18 03:58:17.228 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 03:58:17.228 INFO [stderr] 
Nov 18 03:58:17.228 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:58:17.229 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Nov 18 03:58:17.229 INFO [stderr]     |
Nov 18 03:58:17.229 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Nov 18 03:58:17.230 INFO [stderr]     |             ----^^^^^
Nov 18 03:58:17.230 INFO [stderr]     |             |
Nov 18 03:58:17.230 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:58:17.230 INFO [stderr] 
Nov 18 03:58:17.935 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:58:17.935 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Nov 18 03:58:17.935 INFO [stderr]    |
Nov 18 03:58:17.935 INFO [stderr] 27 |     owner: Region,
Nov 18 03:58:17.935 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:58:17.935 INFO [stderr]    |
Nov 18 03:58:17.935 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:58:17.935 INFO [stderr] 
Nov 18 03:58:17.935 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:58:17.935 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Nov 18 03:58:17.935 INFO [stderr]    |
Nov 18 03:58:17.935 INFO [stderr] 28 |     owner: Region,
Nov 18 03:58:17.935 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:58:17.935 INFO [stderr] 
Nov 18 03:58:27.438 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.39s
Nov 18 03:58:27.439 INFO [stderr] su: No module specific data is present
Nov 18 03:58:27.764 INFO running `"docker" "inspect" "3528127d021f95fa6c42f34f05206c6f9c392cfca862e66bd37956f42359a98e"`
Nov 18 03:58:27.827 INFO running `"docker" "rm" "-f" "3528127d021f95fa6c42f34f05206c6f9c392cfca862e66bd37956f42359a98e"`
Nov 18 03:58:27.916 INFO [stdout] 3528127d021f95fa6c42f34f05206c6f9c392cfca862e66bd37956f42359a98e