[INFO] fetching crate devpng 0.1.2...
[INFO] testing devpng-0.1.2 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate devpng 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate devpng 0.1.2
[INFO] finished tweaking crates.io crate devpng 0.1.2
[INFO] tweaked toml for crates.io crate devpng 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate devpng 0.1.2 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c2c414647eeae93f2fca838187aa34c8fdb304734ac0d3be82904271a9721b
[INFO] running `Command { std: "docker" "start" "-a" "f9c2c414647eeae93f2fca838187aa34c8fdb304734ac0d3be82904271a9721b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c2c414647eeae93f2fca838187aa34c8fdb304734ac0d3be82904271a9721b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c2c414647eeae93f2fca838187aa34c8fdb304734ac0d3be82904271a9721b", kill_on_drop: false }`
[INFO] [stdout] f9c2c414647eeae93f2fca838187aa34c8fdb304734ac0d3be82904271a9721b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3354722f037c476a306e3dfd44c792b1c701c2c368f35cfda2303c19fe011418
[INFO] running `Command { std: "docker" "start" "-a" "3354722f037c476a306e3dfd44c792b1c701c2c368f35cfda2303c19fe011418", kill_on_drop: false }`
[INFO] [stderr]    Compiling devker v0.1.6
[INFO] [stderr]    Compiling devpng v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/bkgd.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/sbit.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/trns.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<u8> {
[INFO] [stdout]    |                   ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]    |                       ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<u8> {
[INFO] [stdout]    |                         ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<u8> {
[INFO] [stdout]    |                             ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<'_, u8> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<u8> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<'_, u8> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<u8> {
[INFO] [stdout]     |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<u8> {
[INFO] [stdout]     |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:110:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<u8> {
[INFO] [stdout]     |                              ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<'_, u8> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<u8> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<u8> {
[INFO] [stdout]     |                    ^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<'_, u8> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "3354722f037c476a306e3dfd44c792b1c701c2c368f35cfda2303c19fe011418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3354722f037c476a306e3dfd44c792b1c701c2c368f35cfda2303c19fe011418", kill_on_drop: false }`
[INFO] [stdout] 3354722f037c476a306e3dfd44c792b1c701c2c368f35cfda2303c19fe011418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4f9d2f6b361b3c61a4709f2fe77a9d7436bba9a31172feac411a326395ae9f
[INFO] running `Command { std: "docker" "start" "-a" "8d4f9d2f6b361b3c61a4709f2fe77a9d7436bba9a31172feac411a326395ae9f", kill_on_drop: false }`
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/bkgd.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/sbit.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/trns.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<u8> {
[INFO] [stdout]    |                   ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]    |                       ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<u8> {
[INFO] [stdout]    |                         ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<u8> {
[INFO] [stdout]    |                             ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<'_, u8> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<u8> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<'_, u8> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<u8> {
[INFO] [stdout]     |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<u8> {
[INFO] [stdout]     |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:110:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<u8> {
[INFO] [stdout]     |                              ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<'_, u8> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<u8> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<u8> {
[INFO] [stdout]     |                    ^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<'_, u8> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling devpng v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/bkgd.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/sbit.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/trns.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<u8> {
[INFO] [stdout]    |                   ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]    |                       ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<u8> {
[INFO] [stdout]    |                         ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<'_, u8> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<u8> {
[INFO] [stdout]    |                             ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<'_, u8> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<u8> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<'_, u8> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<u8> {
[INFO] [stdout]     |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<u8> {
[INFO] [stdout]     |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<'_, u8> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:110:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<u8> {
[INFO] [stdout]     |                              ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<'_, u8> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<u8> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn rows(&self) -> std::slice::Chunks<'_, u8> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<u8> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<u8> {
[INFO] [stdout]     |                    ^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<'_, u8> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image {
[INFO] [stdout]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/png.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "8d4f9d2f6b361b3c61a4709f2fe77a9d7436bba9a31172feac411a326395ae9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f9d2f6b361b3c61a4709f2fe77a9d7436bba9a31172feac411a326395ae9f", kill_on_drop: false }`
[INFO] [stdout] 8d4f9d2f6b361b3c61a4709f2fe77a9d7436bba9a31172feac411a326395ae9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7257026a6d62798b0232bdc2092760391936cd7110b6a730e1dae47d9ba059d
[INFO] running `Command { std: "docker" "start" "-a" "c7257026a6d62798b0232bdc2092760391936cd7110b6a730e1dae47d9ba059d", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]  --> src/chunk/bkgd.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stderr]   |            -------                   ^^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]  --> src/chunk/sbit.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stderr]   |            -------                   ^^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]  --> src/chunk/trns.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stderr]   |            -------                   ^^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/cache.rs:88:18
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn image(&mut self) -> Image {
[INFO] [stderr]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stderr]    |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/cache.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn filter(&mut self) -> Image {
[INFO] [stderr]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/image.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<u8> {
[INFO] [stderr]    |                   ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn chunks(&self, chunk_size: usize) -> std::slice::Chunks<'_, u8> {
[INFO] [stderr]    |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/image.rs:92:23
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<u8> {
[INFO] [stderr]    |                       ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn chunks_mut(&mut self, chunk_size: usize) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stderr]    |                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/image.rs:95:25
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<u8> {
[INFO] [stderr]    |                         ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn chunks_exact(&self, chunk_size: usize) -> std::slice::ChunksExact<'_, u8> {
[INFO] [stderr]    |                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/image.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<u8> {
[INFO] [stderr]    |                             ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::ChunksExactMut<'_, u8> {
[INFO] [stderr]    |                                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:101:20
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<u8> {
[INFO] [stderr]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn rchunks(&self, chunk_size: usize) -> std::slice::RChunks<'_, u8> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:104:24
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<u8> {
[INFO] [stderr]     |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn rchunks_mut(&mut self, chunk_size: usize) -> std::slice::RChunksMut<'_, u8> {
[INFO] [stderr]     |                                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:107:26
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<u8> {
[INFO] [stderr]     |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn rchunks_exact(&self, chunk_size: usize) -> std::slice::RChunksExact<'_, u8> {
[INFO] [stderr]     |                                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<u8> {
[INFO] [stderr]     |                              ^^^^^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> std::slice::RChunksExactMut<'_, u8> {
[INFO] [stderr]     |                                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn rows(&self) -> std::slice::Chunks<u8> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn rows(&self) -> std::slice::Chunks<'_, u8> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<u8> {
[INFO] [stderr]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn rows_mut(&mut self) -> std::slice::ChunksMut<'_, u8> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/image.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<u8> {
[INFO] [stderr]     |                    ^^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn windows(&self, size: usize) -> std::slice::Windows<'_, u8> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/png.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn image(&mut self) -> Image {
[INFO] [stderr]    |                  ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn image(&mut self) -> Image<'_> {
[INFO] [stderr]    |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/png.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn filter(&mut self) -> Image {
[INFO] [stderr]    |                   ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn filter(&mut self) -> Image<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `devpng` (lib) generated 18 warnings (run `cargo fix --lib -p devpng` to apply 15 suggestions)
[INFO] [stderr] warning: `devpng` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/devpng-f3e88e0bbf3c25fe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devpng
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 28) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 57) stdout ----
[INFO] [stdout] error[E0596]: cannot borrow `img` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/lib.rs:72:14
[INFO] [stdout]    |
[INFO] [stdout] 72 |     for x in img.iter_mut() {
[INFO] [stdout]    |              ^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut img = cache.image();
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0596]: cannot borrow `img` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for x in img.iter_mut() {
[INFO] [stdout]    |              ^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut img = png.image();
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: "Read-only file system (os error 30)"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 28)
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout]     src/lib.rs - (line 57)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c7257026a6d62798b0232bdc2092760391936cd7110b6a730e1dae47d9ba059d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7257026a6d62798b0232bdc2092760391936cd7110b6a730e1dae47d9ba059d", kill_on_drop: false }`
[INFO] [stdout] c7257026a6d62798b0232bdc2092760391936cd7110b6a730e1dae47d9ba059d
