[INFO] cloning repository https://github.com/tspython/imagepro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tspython/imagepro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftspython%2Fimagepro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftspython%2Fimagepro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f16462117253ea5952cf449b1c46ea318aeb226f
[INFO] checking tspython/imagepro against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftspython%2Fimagepro" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tspython/imagepro
[INFO] finished tweaking git repo https://github.com/tspython/imagepro
[INFO] tweaked toml for git repo https://github.com/tspython/imagepro written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tspython/imagepro on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tspython/imagepro 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded zune-inflate v0.2.51
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded clap_derive v4.1.8
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded clap v4.1.8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 717f17203ca01ba56a016dc6baa9ccad3a5c65d5ba405891857934db8e95b79b
[INFO] running `Command { std: "docker" "start" "-a" "717f17203ca01ba56a016dc6baa9ccad3a5c65d5ba405891857934db8e95b79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717f17203ca01ba56a016dc6baa9ccad3a5c65d5ba405891857934db8e95b79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717f17203ca01ba56a016dc6baa9ccad3a5c65d5ba405891857934db8e95b79b", kill_on_drop: false }`
[INFO] [stdout] 717f17203ca01ba56a016dc6baa9ccad3a5c65d5ba405891857934db8e95b79b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8fc32b89adb216f350c6b4b1d295bc56107455ab0f0f8be0aae47c4f6a9cd7a
[INFO] running `Command { std: "docker" "start" "-a" "e8fc32b89adb216f350c6b4b1d295bc56107455ab0f0f8be0aae47c4f6a9cd7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking zune-inflate v0.2.51
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking wide v0.7.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling clap_derive v4.1.8
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.6.3
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stderr]     Checking cli-image-processing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clap::Parser`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Parser;
[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: `PathBuf`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args`, `Parser`, `Subcommand`, and `arg`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     arg,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     Args,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Parser,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Subcommand, 
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::TypeId`, `ffi::OsString`, and `path::PathBuf`
[INFO] [stdout]   --> src/cli.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     any::TypeId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     ffi::OsString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FilterType`, `ImageFormat`, `RgbaImage`, `Rgba`, `open`, and `overlay`
[INFO] [stdout]   --> src/processing.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     Rgba, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  4 |     GenericImageView, 
[INFO] [stdout]  5 |     ImageFormat,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]  6 |     ImageBuffer,
[INFO] [stdout]  7 |     imageops::{resize,FilterType, overlay},
[INFO] [stdout]    |                       ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]  8 |     open,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     DynamicImage,
[INFO] [stdout] 10 |     RgbaImage, GenericImage,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rect::Rect`
[INFO] [stdout]   --> src/processing.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     rect::Rect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]   --> src/processing.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::thread`
[INFO] [stdout]   --> src/processing.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crossbeam::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::Parser`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Parser;
[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: `crate::errors::ImageProcessingError`
[INFO] [stdout]   --> src/processing.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::errors::ImageProcessingError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]   --> src/processing.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::thread::spawn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args`, `Parser`, `Subcommand`, and `arg`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     arg,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     Args,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Parser,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Subcommand, 
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::TypeId`, `ffi::OsString`, and `path::PathBuf`
[INFO] [stdout]   --> src/cli.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     any::TypeId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     ffi::OsString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FilterType`, `ImageFormat`, `RgbaImage`, `Rgba`, `open`, and `overlay`
[INFO] [stdout]   --> src/processing.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     Rgba, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  4 |     GenericImageView, 
[INFO] [stdout]  5 |     ImageFormat,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]  6 |     ImageBuffer,
[INFO] [stdout]  7 |     imageops::{resize,FilterType, overlay},
[INFO] [stdout]    |                       ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]  8 |     open,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     DynamicImage,
[INFO] [stdout] 10 |     RgbaImage, GenericImage,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rect::Rect`
[INFO] [stdout]   --> src/processing.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     rect::Rect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]   --> src/processing.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::thread`
[INFO] [stdout]   --> src/processing.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crossbeam::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::ImageProcessingError`
[INFO] [stdout]   --> src/processing.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::errors::ImageProcessingError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]   --> src/processing.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::thread::spawn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collage_width`
[INFO] [stdout]   --> src/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let collage_width = sub_matches.get_one::<u32>("width").unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collage_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collage_height`
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let collage_height = sub_matches.get_one::<u32>("height").unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collage_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collage_width`
[INFO] [stdout]   --> src/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let collage_width = sub_matches.get_one::<u32>("width").unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collage_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collage_height`
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let collage_height = sub_matches.get_one::<u32>("height").unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collage_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             collage.save(dest_path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let _ = collage.save(dest_path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             collage.save(dest_path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let _ = collage.save(dest_path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.55s
[INFO] running `Command { std: "docker" "inspect" "e8fc32b89adb216f350c6b4b1d295bc56107455ab0f0f8be0aae47c4f6a9cd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fc32b89adb216f350c6b4b1d295bc56107455ab0f0f8be0aae47c4f6a9cd7a", kill_on_drop: false }`
[INFO] [stdout] e8fc32b89adb216f350c6b4b1d295bc56107455ab0f0f8be0aae47c4f6a9cd7a
