[INFO] cloning repository https://github.com/JinayJain/bounce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JinayJain/bounce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJinayJain%2Fbounce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJinayJain%2Fbounce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e03dc342a987901248e838477d374c379dc5ee12
[INFO] checking JinayJain/bounce against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJinayJain%2Fbounce" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JinayJain/bounce
[INFO] finished tweaking git repo https://github.com/JinayJain/bounce
[INFO] tweaked toml for git repo https://github.com/JinayJain/bounce written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JinayJain/bounce on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JinayJain/bounce already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a91789241211581659cfec448830c3a5202e21fdfc12faf214b4496678892f06
[INFO] running `Command { std: "docker" "start" "-a" "a91789241211581659cfec448830c3a5202e21fdfc12faf214b4496678892f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91789241211581659cfec448830c3a5202e21fdfc12faf214b4496678892f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91789241211581659cfec448830c3a5202e21fdfc12faf214b4496678892f06", kill_on_drop: false }`
[INFO] [stdout] a91789241211581659cfec448830c3a5202e21fdfc12faf214b4496678892f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c60ce7ff55cfd8f8d2a3d0edab75acc975f014e4a87e26796afe96601a2784
[INFO] running `Command { std: "docker" "start" "-a" "43c60ce7ff55cfd8f8d2a3d0edab75acc975f014e4a87e26796afe96601a2784", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking bounce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Range`
[INFO] [stdout]  --> src/object/obj.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Range,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ray`
[INFO] [stdout]   --> src/object/obj.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     geometry::{Point, Ray},
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         let (first, first_t, second, second_t) = if left_t < right_t {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     (Some(left_t), None) => inner.left.bounce(r, t_range),
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 |                     (None, Some(right_t)) => inner.right.bounce(r, t_range),
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn pixels(&mut self) -> PixelIterator {
[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 pixels(&mut self) -> PixelIterator<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, path::PathBuf, sync::Arc};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BvhTree`, `Lambertian`, `Material`, `Primitive`, and `Tri`
[INFO] [stdout]   --> src/main.rs:7:16
[INFO] [stdout]    |
[INFO] [stdout]  7 |     material::{Lambertian, Material},
[INFO] [stdout]    |                ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]  8 |     object::{
[INFO] [stdout]  9 |         bvh::{BvhTree, Primitive},
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 10 |         Tri,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metal`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let metal = scene.metal_material(Color::new(1.0, 1.0, 1.0), 0.3);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_metal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glass`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let glass = scene.dielectric_material(1.5);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_glass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane_mat`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let plane_mat = scene.diffuse_material(Color::new(0.2, 0.2, 0.01));
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane_mat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let a = Point::new(0.0, 0.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let b = Point::new(1.0, 0.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let c = Point::new(0.0, 1.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_triangles` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn make_triangles(num: usize, scene: &mut Scene) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Range`
[INFO] [stdout]  --> src/object/obj.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Range,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ray`
[INFO] [stdout]   --> src/object/obj.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     geometry::{Point, Ray},
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, path::PathBuf, sync::Arc};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BvhTree`, `Lambertian`, `Material`, `Primitive`, and `Tri`
[INFO] [stdout]   --> src/main.rs:7:16
[INFO] [stdout]    |
[INFO] [stdout]  7 |     material::{Lambertian, Material},
[INFO] [stdout]    |                ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]  8 |     object::{
[INFO] [stdout]  9 |         bvh::{BvhTree, Primitive},
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 10 |         Tri,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/bench.rs:77:83
[INFO] [stdout]    |
[INFO] [stdout] 77 |         group.bench_with_input(BenchmarkId::new("list", num_tris), &num_tris, |b, i| {
[INFO] [stdout]    |                                                                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/bench.rs:67:82
[INFO] [stdout]    |
[INFO] [stdout] 67 |         group.bench_with_input(BenchmarkId::new("BVH", num_tris), &num_tris, |b, i| {
[INFO] [stdout]    |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metal`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let metal = scene.metal_material(Color::new(1.0, 1.0, 1.0), 0.3);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_metal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glass`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let glass = scene.dielectric_material(1.5);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_glass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane_mat`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let plane_mat = scene.diffuse_material(Color::new(0.2, 0.2, 0.01));
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane_mat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let a = Point::new(0.0, 0.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let b = Point::new(1.0, 0.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let c = Point::new(0.0, 1.0, 0.0);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_triangles` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn make_triangles(num: usize, scene: &mut Scene) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         let (first, first_t, second, second_t) = if left_t < right_t {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     (Some(left_t), None) => inner.left.bounce(r, t_range),
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_t`
[INFO] [stdout]    --> src/object/bvh/bvh.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 |                     (None, Some(right_t)) => inner.right.bounce(r, t_range),
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/image.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn pixels(&mut self) -> PixelIterator {
[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 pixels(&mut self) -> PixelIterator<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "43c60ce7ff55cfd8f8d2a3d0edab75acc975f014e4a87e26796afe96601a2784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c60ce7ff55cfd8f8d2a3d0edab75acc975f014e4a87e26796afe96601a2784", kill_on_drop: false }`
[INFO] [stdout] 43c60ce7ff55cfd8f8d2a3d0edab75acc975f014e4a87e26796afe96601a2784
