Oct 13 10:56:35.085 INFO checking picto-0.4.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:56:35.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"`
Oct 13 10:56:35.258 INFO blam! 697602efd718b181b04753623527df14021a8c98a0d0cfd8d310d3ffb5bd3514
Oct 13 10:56:35.260 INFO running `"docker" "start" "-a" "697602efd718b181b04753623527df14021a8c98a0d0cfd8d310d3ffb5bd3514"`
Oct 13 10:56:35.776 INFO kablam! usermod: no changes
Oct 13 10:56:35.964 INFO kablam!     Checking exoquant v0.2.0
Oct 13 10:56:35.964 INFO kablam!     Checking png v0.6.2
Oct 13 10:56:35.964 INFO kablam!    Compiling palette v0.2.1
Oct 13 10:56:35.964 INFO kablam!     Checking imagefmt v4.0.0
Oct 13 10:56:35.964 INFO kablam!     Checking xyz v0.2.1
Oct 13 10:56:39.108 INFO kablam!     Checking image v0.12.4
Oct 13 10:56:46.633 INFO kablam!     Checking picto v0.4.3 (/source)
Oct 13 10:56:50.800 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:56:50.800 INFO kablam!    --> src/buffer/buffer.rs:514:10
Oct 13 10:56:50.800 INFO kablam!     |
Oct 13 10:56:50.800 INFO kablam! 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Oct 13 10:56:50.800 INFO kablam!     |             ----^^^^^
Oct 13 10:56:50.800 INFO kablam!     |             |
Oct 13 10:56:50.800 INFO kablam!     |             help: remove this `mut`
Oct 13 10:56:50.800 INFO kablam!     |
Oct 13 10:56:50.800 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 10:56:50.800 INFO kablam! 
Oct 13 10:56:50.800 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:56:50.800 INFO kablam!    --> src/buffer/buffer.rs:525:10
Oct 13 10:56:50.800 INFO kablam!     |
Oct 13 10:56:50.800 INFO kablam! 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Oct 13 10:56:50.800 INFO kablam!     |             ----^^^^^
Oct 13 10:56:50.800 INFO kablam!     |             |
Oct 13 10:56:50.800 INFO kablam!     |             help: remove this `mut`
Oct 13 10:56:50.800 INFO kablam! 
Oct 13 10:56:51.073 INFO kablam! warning: field is never used: `owner`
Oct 13 10:56:51.073 INFO kablam!   --> src/iter/pixel/immutable.rs:27:2
Oct 13 10:56:51.073 INFO kablam!    |
Oct 13 10:56:51.074 INFO kablam! 27 |     owner: Region,
Oct 13 10:56:51.074 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:56:51.074 INFO kablam!    |
Oct 13 10:56:51.074 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:56:51.075 INFO kablam! 
Oct 13 10:56:51.075 INFO kablam! warning: field is never used: `owner`
Oct 13 10:56:51.075 INFO kablam!   --> src/iter/pixel/mutable.rs:28:2
Oct 13 10:56:51.075 INFO kablam!    |
Oct 13 10:56:51.076 INFO kablam! 28 |     owner: Region,
Oct 13 10:56:51.076 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:56:51.076 INFO kablam! 
Oct 13 10:56:52.721 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:56:52.721 INFO kablam!    --> src/buffer/buffer.rs:514:10
Oct 13 10:56:52.721 INFO kablam!     |
Oct 13 10:56:52.721 INFO kablam! 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
Oct 13 10:56:52.722 INFO kablam!     |             ----^^^^^
Oct 13 10:56:52.722 INFO kablam!     |             |
Oct 13 10:56:52.722 INFO kablam!     |             help: remove this `mut`
Oct 13 10:56:52.722 INFO kablam!     |
Oct 13 10:56:52.723 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 10:56:52.723 INFO kablam! 
Oct 13 10:56:52.723 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:56:52.723 INFO kablam!    --> src/buffer/buffer.rs:525:10
Oct 13 10:56:52.724 INFO kablam!     |
Oct 13 10:56:52.724 INFO kablam! 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
Oct 13 10:56:52.724 INFO kablam!     |             ----^^^^^
Oct 13 10:56:52.724 INFO kablam!     |             |
Oct 13 10:56:52.725 INFO kablam!     |             help: remove this `mut`
Oct 13 10:56:52.725 INFO kablam! 
Oct 13 10:56:54.338 INFO kablam! warning: field is never used: `owner`
Oct 13 10:56:54.339 INFO kablam!   --> src/iter/pixel/immutable.rs:27:2
Oct 13 10:56:54.339 INFO kablam!    |
Oct 13 10:56:54.339 INFO kablam! 27 |     owner: Region,
Oct 13 10:56:54.340 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:56:54.340 INFO kablam!    |
Oct 13 10:56:54.340 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:56:54.340 INFO kablam! 
Oct 13 10:56:54.341 INFO kablam! warning: field is never used: `owner`
Oct 13 10:56:54.341 INFO kablam!   --> src/iter/pixel/mutable.rs:28:2
Oct 13 10:56:54.341 INFO kablam!    |
Oct 13 10:56:54.341 INFO kablam! 28 |     owner: Region,
Oct 13 10:56:54.342 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:56:54.342 INFO kablam! 
Oct 13 10:57:07.363 INFO kablam! warning: constant item is never used: `LOWER`
Oct 13 10:57:07.363 INFO kablam!   --> examples/draw.rs:25:1
Oct 13 10:57:07.363 INFO kablam!    |
Oct 13 10:57:07.363 INFO kablam! 25 | const LOWER: char = '▄';
Oct 13 10:57:07.363 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:57:07.363 INFO kablam!    |
Oct 13 10:57:07.363 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:57:07.363 INFO kablam! 
Oct 13 10:57:07.375 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.57s
Oct 13 10:57:07.390 INFO kablam! su: No module specific data is present
Oct 13 10:57:07.666 INFO running `"docker" "rm" "-f" "697602efd718b181b04753623527df14021a8c98a0d0cfd8d310d3ffb5bd3514"`
Oct 13 10:57:07.737 INFO blam! 697602efd718b181b04753623527df14021a8c98a0d0cfd8d310d3ffb5bd3514