[INFO] crate picto 0.4.3 is already in cache
[INFO] extracting crate picto 0.4.3 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/picto/0.4.3
[INFO] extracting crate picto 0.4.3 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/picto/0.4.3
[INFO] validating manifest of picto-0.4.3 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of picto-0.4.3 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing picto-0.4.3
[INFO] finished frobbing picto-0.4.3
[INFO] frobbed toml for picto-0.4.3 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/picto/0.4.3/Cargo.toml
[INFO] started frobbing picto-0.4.3
[INFO] finished frobbing picto-0.4.3
[INFO] frobbed toml for picto-0.4.3 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/picto/0.4.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking picto-0.4.3 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-5/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/picto/0.4.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5939422b6958029e74893dd806a704cb0ee39a6f1b496e5abbf9e32bd12f2554
[INFO] running `"docker" "start" "-a" "5939422b6958029e74893dd806a704cb0ee39a6f1b496e5abbf9e32bd12f2554"`
[INFO] [stderr]     Checking xyz v0.2.1
[INFO] [stderr]     Checking imagefmt v4.0.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking picto v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/buffer.rs:514:10
[INFO] [stderr]     |
[INFO] [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/buffer.rs:525:10
[INFO] [stderr]     |
[INFO] [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/buffer.rs:514:10
[INFO] [stderr]     |
[INFO] [stderr] 514 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> view::Write<'a, P, C> {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/buffer.rs:525:10
[INFO] [stderr]     |
[INFO] [stderr] 525 |     fn from(mut value: &'a mut Buffer<P, C, D>) -> View<'a, P, C> {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `owner`
[INFO] [stderr]   --> src/iter/pixel/immutable.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     owner: Region,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `owner`
[INFO] [stderr]   --> src/iter/pixel/mutable.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     owner: Region,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `owner`
[INFO] [stderr]   --> src/iter/pixel/immutable.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     owner: Region,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `owner`
[INFO] [stderr]   --> src/iter/pixel/mutable.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     owner: Region,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/iter.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |             for (x, y, mut px) in image.enumerate_pixels_mut() {
[INFO] [stderr]    |                        ----^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LOWER`
[INFO] [stderr]   --> examples/draw.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | const LOWER: char = '▄';
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `"docker" "inspect" "5939422b6958029e74893dd806a704cb0ee39a6f1b496e5abbf9e32bd12f2554"`
[INFO] running `"docker" "rm" "-f" "5939422b6958029e74893dd806a704cb0ee39a6f1b496e5abbf9e32bd12f2554"`
[INFO] [stdout] 5939422b6958029e74893dd806a704cb0ee39a6f1b496e5abbf9e32bd12f2554