[INFO] fetching crate pixtra 0.2.5...
[INFO] testing pixtra-0.2.5 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pixtra 0.2.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pixtra 0.2.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixtra 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixtra 0.2.5
[INFO] tweaked toml for crates.io crate pixtra 0.2.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pixtra 0.2.5 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4aa6866f4dbb77180b5768e1f9f21b75d751242a238ce30aa79d5a9f511b8e6
[INFO] running `Command { std: "docker" "start" "-a" "b4aa6866f4dbb77180b5768e1f9f21b75d751242a238ce30aa79d5a9f511b8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4aa6866f4dbb77180b5768e1f9f21b75d751242a238ce30aa79d5a9f511b8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4aa6866f4dbb77180b5768e1f9f21b75d751242a238ce30aa79d5a9f511b8e6", kill_on_drop: false }`
[INFO] [stdout] b4aa6866f4dbb77180b5768e1f9f21b75d751242a238ce30aa79d5a9f511b8e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 388a6af6c8e50d77ab4d75e538fd3b82325c83e976cc2e09e308cc3e71f11b00
[INFO] running `Command { std: "docker" "start" "-a" "388a6af6c8e50d77ab4d75e538fd3b82325c83e976cc2e09e308cc3e71f11b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling simd-adler32 v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling zune-inflate v0.2.50
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.13.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.5.3
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling pixtra v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identify` is never used
[INFO] [stdout]   --> src/bin/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn identify(p: &Path) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "388a6af6c8e50d77ab4d75e538fd3b82325c83e976cc2e09e308cc3e71f11b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388a6af6c8e50d77ab4d75e538fd3b82325c83e976cc2e09e308cc3e71f11b00", kill_on_drop: false }`
[INFO] [stdout] 388a6af6c8e50d77ab4d75e538fd3b82325c83e976cc2e09e308cc3e71f11b00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0885552828d4ede22f7792996302c054bf8449b92e6dab19cf902fd34bb6b765
[INFO] running `Command { std: "docker" "start" "-a" "0885552828d4ede22f7792996302c054bf8449b92e6dab19cf902fd34bb6b765", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pixtra v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `count_colors`, `counted_colors_to_html`
[INFO] [stdout]  --> examples/advanced-filters.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility::{to_grey_lumiosity, count_colors, counted_colors_to_html};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::utility`
[INFO] [stdout]  --> examples/filling.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identify` is never used
[INFO] [stdout]   --> src/bin/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn identify(p: &Path) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `islands_with_size`
[INFO] [stdout]    --> examples/advanced-filters.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let islands_with_size: Vec<Island> = islands.iter().filter(|x| x.points.len() > 40000).map(|x| x.clone()).collect();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands_with_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> examples/draw-on-flamingo.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility::{diff_debug, error};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::pixels::PixelBuilder`
[INFO] [stdout]  --> examples/pixel-builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pixtra::pixels::PixelBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> examples/flipping-and-flopping.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::utility::count_colors`
[INFO] [stdout]   --> examples/flipping-and-flopping.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use pixtra::utility::count_colors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "0885552828d4ede22f7792996302c054bf8449b92e6dab19cf902fd34bb6b765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0885552828d4ede22f7792996302c054bf8449b92e6dab19cf902fd34bb6b765", kill_on_drop: false }`
[INFO] [stdout] 0885552828d4ede22f7792996302c054bf8449b92e6dab19cf902fd34bb6b765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e33a2e3b7eb0797bbccb557b1395168488f1d3d70f3169f20a35d4e17f80a85a
[INFO] running `Command { std: "docker" "start" "-a" "e33a2e3b7eb0797bbccb557b1395168488f1d3d70f3169f20a35d4e17f80a85a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/pixels.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]    --> src/utility.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]    --> src/utility.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: `pixtra` (lib) generated 3 warnings (run `cargo fix --lib -p pixtra` to apply 3 suggestions)
[INFO] [stderr] warning: `pixtra` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> examples/draw-on-flamingo.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility::{diff_debug, error};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `identify` is never used
[INFO] [stderr]   --> src/bin/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn identify(p: &Path) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> examples/flipping-and-flopping.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pixtra::utility::count_colors`
[INFO] [stderr]   --> examples/flipping-and-flopping.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use pixtra::utility::count_colors;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pixtra::utility`
[INFO] [stderr]  --> examples/filling.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pixtra::pixels::PixelBuilder`
[INFO] [stderr]  --> examples/pixel-builder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use pixtra::pixels::PixelBuilder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `count_colors`, `counted_colors_to_html`
[INFO] [stderr]  --> examples/advanced-filters.rs:3:42
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility::{to_grey_lumiosity, count_colors, counted_colors_to_html};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `islands_with_size`
[INFO] [stderr]    --> examples/advanced-filters.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let islands_with_size: Vec<Island> = islands.iter().filter(|x| x.points.len() > 40000).map(|x| x.clone()).collect();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands_with_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pixtra` (example "draw-on-flamingo" test) generated 1 warning (run `cargo fix --example "draw-on-flamingo" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pixtra` (bin "pixtra" test) generated 1 warning
[INFO] [stderr] warning: `pixtra` (example "flipping-and-flopping" test) generated 2 warnings (run `cargo fix --example "flipping-and-flopping" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `pixtra` (example "filling" test) generated 1 warning (run `cargo fix --example "filling" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pixtra` (example "pixel-builder" test) generated 1 warning (run `cargo fix --example "pixel-builder" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pixtra` (example "advanced-filters" test) generated 2 warnings (run `cargo fix --example "advanced-filters" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pixtra-3f5efe179bc579c4)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test canvas::tests::clean_canvas ... ok
[INFO] [stdout] test canvas::tests::clean_canvas_with_background ... ok
[INFO] [stdout] test pixels::tests::pixel_builder_simple ... ok
[INFO] [stdout] test pixels::tests::pixel_equality_works ... ok
[INFO] [stdout] test canvas::tests::test_find_with_predicate ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators_out_of_border_x ... ok
[INFO] [stdout] test pixels::tests::pixel_setters ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators ... ok
[INFO] [stdout] test pixels::tests::pixel_it_works ... ok
[INFO] [stdout] test pixels::tests::pixel_show_display ... ok
[INFO] [stdout] test pixels::tests::test_add ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators_out_of_border_y ... ok
[INFO] [stdout] test pixels::tests::pixel_mut_setters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/pixtra-0f82d80c0a766192)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/advanced-filters.rs (/opt/rustwide/target/debug/examples/advanced_filters-3894acd3bdd34c99)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/count-and-replace.rs (/opt/rustwide/target/debug/examples/count_and_replace-ea225031cabe9eb1)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/create-image.rs (/opt/rustwide/target/debug/examples/create_image-870f86cea310e450)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/draw-on-flamingo.rs (/opt/rustwide/target/debug/examples/draw_on_flamingo-5fcff1f9f6cd7c70)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_blending_on_known_image ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_blending_on_known_image stdout ----
[INFO] [stdout] thread 'tests::test_blending_on_known_image' panicked at examples/draw-on-flamingo.rs:39:74:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError("No such file or directory (os error 2)")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f6e99954ac - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55f6e99954ac - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f6e99954ac - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f6e99954ac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f6e99c0e30 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55f6e99c0e30 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55f6e9992c4f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55f6e9995294 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f6e9995294 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f6e9996f57 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55f6e9996c43 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55f6e95b50e7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55f6e95b50e7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55f6e9997568 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55f6e9997568 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55f6e99972be - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55f6e9995976 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55f6e9997022 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55f6e95801c5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55f6e9580793 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55f6e9580f7c - core::result::Result<T,E>::unwrap::h28ecbffe58bfaa0b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55f6e9581404 - draw_on_flamingo::tests::test_blending_on_known_image::h2e32b37ae0e4356f
[INFO] [stdout]                                at /opt/rustwide/workdir/examples/draw-on-flamingo.rs:39:26
[INFO] [stdout]   22:     0x55f6e95813a7 - draw_on_flamingo::tests::test_blending_on_known_image::{{closure}}::h0c5e92d2dd6663a1
[INFO] [stdout]                                at /opt/rustwide/workdir/examples/draw-on-flamingo.rs:38:38
[INFO] [stdout]   23:     0x55f6e9580e06 - core::ops::function::FnOnce::call_once::hf5813ebffc8656e4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55f6e95ba73f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55f6e95ba73f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55f6e95b9755 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55f6e95b9755 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55f6e95b9755 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55f6e95b9755 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55f6e95b9755 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55f6e95b9755 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55f6e95b9755 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55f6e9581a16 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55f6e9581a16 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55f6e9586ac7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55f6e9586ac7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55f6e9586ac7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55f6e9586ac7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55f6e9586ac7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55f6e9586ac7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55f6e9586ac7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55f6e999c105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55f6e999c105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55f6e999c105 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f7fb49e8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f7fb4a79bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_blending_on_known_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--example draw-on-flamingo`
[INFO] running `Command { std: "docker" "inspect" "e33a2e3b7eb0797bbccb557b1395168488f1d3d70f3169f20a35d4e17f80a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33a2e3b7eb0797bbccb557b1395168488f1d3d70f3169f20a35d4e17f80a85a", kill_on_drop: false }`
[INFO] [stdout] e33a2e3b7eb0797bbccb557b1395168488f1d3d70f3169f20a35d4e17f80a85a
[INFO] testing pixtra-0.2.5 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate pixtra 0.2.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pixtra 0.2.5 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixtra 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixtra 0.2.5
[INFO] tweaked toml for crates.io crate pixtra 0.2.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate pixtra 0.2.5 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f981f004a246ed4baa83a1eeca4fa6f15aaf6dbb20797bd28ce3c0de5183f3d9
[INFO] running `Command { std: "docker" "start" "-a" "f981f004a246ed4baa83a1eeca4fa6f15aaf6dbb20797bd28ce3c0de5183f3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f981f004a246ed4baa83a1eeca4fa6f15aaf6dbb20797bd28ce3c0de5183f3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f981f004a246ed4baa83a1eeca4fa6f15aaf6dbb20797bd28ce3c0de5183f3d9", kill_on_drop: false }`
[INFO] [stdout] f981f004a246ed4baa83a1eeca4fa6f15aaf6dbb20797bd28ce3c0de5183f3d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed28aacb74c776c11706e6bf665d0a830703511b2aa1a3e991da6eeba0aa3f3
[INFO] running `Command { std: "docker" "start" "-a" "7ed28aacb74c776c11706e6bf665d0a830703511b2aa1a3e991da6eeba0aa3f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling simd-adler32 v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling zune-inflate v0.2.50
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.13.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.5.3
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling pixtra v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identify` is never used
[INFO] [stdout]   --> src/bin/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn identify(p: &Path) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "7ed28aacb74c776c11706e6bf665d0a830703511b2aa1a3e991da6eeba0aa3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed28aacb74c776c11706e6bf665d0a830703511b2aa1a3e991da6eeba0aa3f3", kill_on_drop: false }`
[INFO] [stdout] 7ed28aacb74c776c11706e6bf665d0a830703511b2aa1a3e991da6eeba0aa3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36973cbe3dc2e7ccec1e824ed39c4fae945b8004b2578a407ab79fb568c850ff
[INFO] running `Command { std: "docker" "start" "-a" "36973cbe3dc2e7ccec1e824ed39c4fae945b8004b2578a407ab79fb568c850ff", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pixtra v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> examples/draw-on-flamingo.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility::{diff_debug, error};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `count_colors`, `counted_colors_to_html`
[INFO] [stdout]  --> examples/advanced-filters.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility::{to_grey_lumiosity, count_colors, counted_colors_to_html};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> examples/flipping-and-flopping.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::utility::count_colors`
[INFO] [stdout]   --> examples/flipping-and-flopping.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use pixtra::utility::count_colors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/pixels.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identify` is never used
[INFO] [stdout]   --> src/bin/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn identify(p: &Path) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::pixels::PixelBuilder`
[INFO] [stdout]  --> examples/pixel-builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pixtra::pixels::PixelBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `islands_with_size`
[INFO] [stdout]    --> examples/advanced-filters.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let islands_with_size: Vec<Island> = islands.iter().filter(|x| x.points.len() > 40000).map(|x| x.clone()).collect();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands_with_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/utility.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/utility.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pixtra::utility`
[INFO] [stdout]  --> examples/filling.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pixtra::utility;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "36973cbe3dc2e7ccec1e824ed39c4fae945b8004b2578a407ab79fb568c850ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36973cbe3dc2e7ccec1e824ed39c4fae945b8004b2578a407ab79fb568c850ff", kill_on_drop: false }`
[INFO] [stdout] 36973cbe3dc2e7ccec1e824ed39c4fae945b8004b2578a407ab79fb568c850ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac893ca68904f124369687a98574f4fb27e73db786c6ef5e7edcc5ba39ba12dd
[INFO] running `Command { std: "docker" "start" "-a" "ac893ca68904f124369687a98574f4fb27e73db786c6ef5e7edcc5ba39ba12dd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/pixels.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]    --> src/utility.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]    --> src/utility.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn diff(c1: &Canvas, c2: &Canvas) -> Canvas {
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: `pixtra` (lib) generated 3 warnings (run `cargo fix --lib -p pixtra` to apply 3 suggestions)
[INFO] [stderr] warning: `pixtra` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `pixtra::utility`
[INFO] [stderr]  --> examples/filling.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> examples/flipping-and-flopping.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pixtra::utility::count_colors`
[INFO] [stderr]   --> examples/flipping-and-flopping.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use pixtra::utility::count_colors;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pixtra` (example "filling" test) generated 1 warning (run `cargo fix --example "filling" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pixtra` (example "flipping-and-flopping" test) generated 2 warnings (run `cargo fix --example "flipping-and-flopping" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `count_colors`, `counted_colors_to_html`
[INFO] [stderr]  --> examples/advanced-filters.rs:3:42
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility::{to_grey_lumiosity, count_colors, counted_colors_to_html};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `islands_with_size`
[INFO] [stderr]    --> examples/advanced-filters.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let islands_with_size: Vec<Island> = islands.iter().filter(|x| x.points.len() > 40000).map(|x| x.clone()).collect();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands_with_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `identify` is never used
[INFO] [stderr]   --> src/bin/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn identify(p: &Path) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> examples/draw-on-flamingo.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pixtra::utility::{diff_debug, error};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pixtra::pixels::PixelBuilder`
[INFO] [stderr]  --> examples/pixel-builder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use pixtra::pixels::PixelBuilder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pixtra` (example "advanced-filters" test) generated 2 warnings (run `cargo fix --example "advanced-filters" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `pixtra` (bin "pixtra" test) generated 1 warning
[INFO] [stderr] warning: `pixtra` (example "draw-on-flamingo" test) generated 1 warning (run `cargo fix --example "draw-on-flamingo" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pixtra` (example "pixel-builder" test) generated 1 warning (run `cargo fix --example "pixel-builder" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pixtra-3479abfe4d058ffa)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test canvas::tests::clean_canvas ... ok
[INFO] [stdout] test canvas::tests::clean_canvas_with_background ... ok
[INFO] [stdout] test pixels::tests::pixel_builder_simple ... ok
[INFO] [stdout] test pixels::tests::pixel_it_works ... ok
[INFO] [stdout] test canvas::tests::test_find_with_predicate ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators ... ok
[INFO] [stdout] test pixels::tests::pixel_equality_works ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators_out_of_border_y ... ok
[INFO] [stdout] test canvas::tests::testing_new_iterators_out_of_border_x ... ok
[INFO] [stdout] test pixels::tests::pixel_setters ... ok
[INFO] [stdout] test pixels::tests::pixel_show_display ... ok
[INFO] [stdout] test pixels::tests::pixel_mut_setters ... ok
[INFO] [stdout] test pixels::tests::test_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/pixtra-c016c307519dafcb)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/advanced-filters.rs (/opt/rustwide/target/debug/examples/advanced_filters-637dccf6975068ea)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/count-and-replace.rs (/opt/rustwide/target/debug/examples/count_and_replace-b6fc6e6db5c0cb88)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/create-image.rs (/opt/rustwide/target/debug/examples/create_image-9006225ee617ced2)
[INFO] [stdout] 
[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] [stderr]      Running unittests examples/draw-on-flamingo.rs (/opt/rustwide/target/debug/examples/draw_on_flamingo-d69e1b9a7dee4bd2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_blending_on_known_image ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_blending_on_known_image stdout ----
[INFO] [stdout] thread 'tests::test_blending_on_known_image' panicked at examples/draw-on-flamingo.rs:39:74:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError("No such file or directory (os error 2)")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d050a658b6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d050a658b6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d050a658b6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d050a658b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d050a90530 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d050a90530 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d050a6310f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55d050a65694 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d050a65694 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d050a67407 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55d050a670ed - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55d050687077 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55d050687077 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55d050a67a26 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55d050a67a26 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55d050a67772 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55d050a65db6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d050a674d0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55d0506511a5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d050651783 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55d050651f6c - core::result::Result<T,E>::unwrap::hd07d65898314d255
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55d0506523f4 - draw_on_flamingo::tests::test_blending_on_known_image::h52d2bc2f9b041734
[INFO] [stdout]                                at /opt/rustwide/workdir/examples/draw-on-flamingo.rs:39:26
[INFO] [stdout]   22:     0x55d050652397 - draw_on_flamingo::tests::test_blending_on_known_image::{{closure}}::hcf0f99a799c9382f
[INFO] [stdout]                                at /opt/rustwide/workdir/examples/draw-on-flamingo.rs:38:38
[INFO] [stdout]   23:     0x55d050651df6 - core::ops::function::FnOnce::call_once::hf111adf24865333f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d05068c94f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d05068c94f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55d05068b6d1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55d05068b6d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d05068b6d1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55d05068b6d1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55d05068b6d1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55d05068b6d1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55d05068b6d1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55d050652a06 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55d050652a06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55d050657a67 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55d050657a67 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d050657a67 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55d050657a67 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55d050657a67 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55d050657a67 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55d050657a67 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d050a6c5e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55d050a6c5e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55d050a6c5e5 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f65154c2ac3 - <unknown>
[INFO] [stdout]   46:     0x7f6515553bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_blending_on_known_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--example draw-on-flamingo`
[INFO] running `Command { std: "docker" "inspect" "ac893ca68904f124369687a98574f4fb27e73db786c6ef5e7edcc5ba39ba12dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac893ca68904f124369687a98574f4fb27e73db786c6ef5e7edcc5ba39ba12dd", kill_on_drop: false }`
[INFO] [stdout] ac893ca68904f124369687a98574f4fb27e73db786c6ef5e7edcc5ba39ba12dd
