Nov 18 03:57:44.406 INFO testing picto-0.4.3 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 03:57:44.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 03:57:44.755 INFO [stdout] a57869d725916f740266ea007fc3bce940ffa69285e497e0aa1742c3ffedaaef
Nov 18 03:57:44.761 INFO running `"docker" "start" "-a" "a57869d725916f740266ea007fc3bce940ffa69285e497e0aa1742c3ffedaaef"`
Nov 18 03:57:45.455 INFO [stderr] usermod: no changes
Nov 18 03:57:45.667 INFO [stderr]    Compiling exoquant v0.2.0
Nov 18 03:57:45.667 INFO [stderr]    Compiling palette v0.2.1
Nov 18 03:57:45.688 INFO [stderr]    Compiling png v0.6.2
Nov 18 03:57:45.689 INFO [stderr]    Compiling xyz v0.2.1
Nov 18 03:57:52.379 INFO [stderr]    Compiling picto v0.4.3 (/source)
Nov 18 03:57:55.594 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:57:55.594 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Nov 18 03:57:55.594 INFO [stderr]     |
Nov 18 03:57:55.595 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Nov 18 03:57:55.595 INFO [stderr]     |             ----^^^^^
Nov 18 03:57:55.595 INFO [stderr]     |             |
Nov 18 03:57:55.596 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:57:55.596 INFO [stderr]     |
Nov 18 03:57:55.596 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 03:57:55.596 INFO [stderr] 
Nov 18 03:57:55.597 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:57:55.597 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Nov 18 03:57:55.597 INFO [stderr]     |
Nov 18 03:57:55.598 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Nov 18 03:57:55.598 INFO [stderr]     |             ----^^^^^
Nov 18 03:57:55.598 INFO [stderr]     |             |
Nov 18 03:57:55.599 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:57:55.599 INFO [stderr] 
Nov 18 03:57:55.868 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:57:55.868 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Nov 18 03:57:55.868 INFO [stderr]    |
Nov 18 03:57:55.868 INFO [stderr] 27 |     owner: Region,
Nov 18 03:57:55.868 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:57:55.868 INFO [stderr]    |
Nov 18 03:57:55.868 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:57:55.868 INFO [stderr] 
Nov 18 03:57:55.868 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:57:55.868 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Nov 18 03:57:55.868 INFO [stderr]    |
Nov 18 03:57:55.868 INFO [stderr] 28 |     owner: Region,
Nov 18 03:57:55.868 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:57:55.868 INFO [stderr] 
Nov 18 03:57:56.209 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
Nov 18 03:57:56.227 INFO [stderr] su: No module specific data is present
Nov 18 03:57:56.515 INFO running `"docker" "inspect" "a57869d725916f740266ea007fc3bce940ffa69285e497e0aa1742c3ffedaaef"`
Nov 18 03:57:56.595 INFO running `"docker" "rm" "-f" "a57869d725916f740266ea007fc3bce940ffa69285e497e0aa1742c3ffedaaef"`
Nov 18 03:57:56.721 INFO [stdout] a57869d725916f740266ea007fc3bce940ffa69285e497e0aa1742c3ffedaaef
Nov 18 03:57:56.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 03:57:57.002 INFO [stdout] cd26b60f61fe67d665e6f751c1853c18f3f4ccf82d1c865d6a9481719e4d096e
Nov 18 03:57:57.003 INFO running `"docker" "start" "-a" "cd26b60f61fe67d665e6f751c1853c18f3f4ccf82d1c865d6a9481719e4d096e"`
Nov 18 03:57:57.385 INFO [stderr] usermod: no changes
Nov 18 03:57:57.517 INFO [stderr]    Compiling image v0.12.4
Nov 18 03:58:07.570 INFO [stderr]    Compiling picto v0.4.3 (/source)
Nov 18 03:58:14.123 INFO [stderr] warning: constant item is never used: `LOWER`
Nov 18 03:58:14.123 INFO [stderr]   --> examples/draw.rs:25:1
Nov 18 03:58:14.124 INFO [stderr]    |
Nov 18 03:58:14.124 INFO [stderr] 25 | const LOWER: char = '▄';
Nov 18 03:58:14.124 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 03:58:14.125 INFO [stderr]    |
Nov 18 03:58:14.125 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:58:14.125 INFO [stderr] 
Nov 18 03:58:18.330 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:58:18.330 INFO [stderr]    --> src/buffer/buffer.rs:514:10
Nov 18 03:58:18.330 INFO [stderr]     |
Nov 18 03:58:18.330 INFO [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Nov 18 03:58:18.330 INFO [stderr]     |             ----^^^^^
Nov 18 03:58:18.330 INFO [stderr]     |             |
Nov 18 03:58:18.330 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:58:18.330 INFO [stderr]     |
Nov 18 03:58:18.330 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 03:58:18.330 INFO [stderr] 
Nov 18 03:58:18.330 INFO [stderr] warning: variable does not need to be mutable
Nov 18 03:58:18.330 INFO [stderr]    --> src/buffer/buffer.rs:525:10
Nov 18 03:58:18.330 INFO [stderr]     |
Nov 18 03:58:18.330 INFO [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Nov 18 03:58:18.330 INFO [stderr]     |             ----^^^^^
Nov 18 03:58:18.330 INFO [stderr]     |             |
Nov 18 03:58:18.330 INFO [stderr]     |             help: remove this `mut`
Nov 18 03:58:18.330 INFO [stderr] 
Nov 18 03:58:19.319 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:58:19.319 INFO [stderr]   --> src/iter/pixel/immutable.rs:27:2
Nov 18 03:58:19.319 INFO [stderr]    |
Nov 18 03:58:19.319 INFO [stderr] 27 |     owner: Region,
Nov 18 03:58:19.319 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:58:19.319 INFO [stderr]    |
Nov 18 03:58:19.319 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 03:58:19.319 INFO [stderr] 
Nov 18 03:58:19.319 INFO [stderr] warning: field is never used: `owner`
Nov 18 03:58:19.319 INFO [stderr]   --> src/iter/pixel/mutable.rs:28:2
Nov 18 03:58:19.319 INFO [stderr]    |
Nov 18 03:58:19.319 INFO [stderr] 28 |     owner: Region,
Nov 18 03:58:19.319 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 18 03:58:19.319 INFO [stderr] 
Nov 18 03:58:28.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.65s
Nov 18 03:58:28.068 INFO [stderr] su: No module specific data is present
Nov 18 03:58:28.316 INFO running `"docker" "inspect" "cd26b60f61fe67d665e6f751c1853c18f3f4ccf82d1c865d6a9481719e4d096e"`
Nov 18 03:58:28.406 INFO running `"docker" "rm" "-f" "cd26b60f61fe67d665e6f751c1853c18f3f4ccf82d1c865d6a9481719e4d096e"`
Nov 18 03:58:28.542 INFO [stdout] cd26b60f61fe67d665e6f751c1853c18f3f4ccf82d1c865d6a9481719e4d096e