[INFO] cloning repository https://github.com/SamuelBowman/scrunchie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamuelBowman/scrunchie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelBowman%2Fscrunchie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelBowman%2Fscrunchie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9417079ad02ff2db6c339130e9d49fb78da10c98
[INFO] linting SamuelBowman/scrunchie against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelBowman%2Fscrunchie" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SamuelBowman/scrunchie
[INFO] finished tweaking git repo https://github.com/SamuelBowman/scrunchie
[INFO] tweaked toml for git repo https://github.com/SamuelBowman/scrunchie written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SamuelBowman/scrunchie on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SamuelBowman/scrunchie 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded weezl v0.1.1
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded image v0.23.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f14ed68ec0e159ebe34d820d806a5b7f10abd86e312a2e09794f0d9867060f2
[INFO] running `Command { std: "docker" "start" "-a" "1f14ed68ec0e159ebe34d820d806a5b7f10abd86e312a2e09794f0d9867060f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f14ed68ec0e159ebe34d820d806a5b7f10abd86e312a2e09794f0d9867060f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f14ed68ec0e159ebe34d820d806a5b7f10abd86e312a2e09794f0d9867060f2", kill_on_drop: false }`
[INFO] [stdout] 1f14ed68ec0e159ebe34d820d806a5b7f10abd86e312a2e09794f0d9867060f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f86db28b592dbdffdcef10c414f8f64cb1f0656bd02cc6f5029dfb18058cea4
[INFO] running `Command { std: "docker" "start" "-a" "2f86db28b592dbdffdcef10c414f8f64cb1f0656bd02cc6f5029dfb18058cea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking scrunchie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | use gif;
[INFO] [stdout]   | ^^^^^^^^ help: remove it entirely
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]   = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image;
[INFO] [stdout]   | ^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | use gif;
[INFO] [stdout]   | ^^^^^^^^ help: remove it entirely
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]   = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image;
[INFO] [stdout]   | ^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         return neighbors;
[INFO] [stdout] 79 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         return neighbors;
[INFO] [stdout] 82 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         return neighbors;
[INFO] [stdout] 86 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn generate_bottom_up_vector(img: &RgbImage, energies: &Vec<u32>) -> Vec<Seam> {
[INFO] [stdout]    |                                                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 90 - fn generate_bottom_up_vector(img: &RgbImage, energies: &Vec<u32>) -> Vec<Seam> {
[INFO] [stdout] 90 + fn generate_bottom_up_vector(img: &RgbImage, energies: &[u32]) -> Vec<Seam> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:110:55
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a Vec<Seam>) -> &'a Seam {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 110 - fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a Vec<Seam>) -> &'a Seam {
[INFO] [stdout] 110 + fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a [Seam]) -> &'a Seam {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:115:55
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn seam_to_position_vector(img: &RgbImage, bottom_up: &Vec<Seam>, initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 115 - fn seam_to_position_vector(img: &RgbImage, bottom_up: &Vec<Seam>, initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout] 115 + fn seam_to_position_vector(img: &RgbImage, bottom_up: &[Seam], initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |             if !(old_x == posn_to_remove.0) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(old_x != posn_to_remove.0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/main.rs:132:73
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let posns_to_remove = seam_to_position_vector(&old_img, &bottom_up, &seam);
[INFO] [stdout]     |                                                                         ^^^^^ help: change this to: `seam`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         return neighbors;
[INFO] [stdout] 79 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         return neighbors;
[INFO] [stdout] 82 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         return neighbors;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         return neighbors;
[INFO] [stdout] 86 +         neighbors
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn generate_bottom_up_vector(img: &RgbImage, energies: &Vec<u32>) -> Vec<Seam> {
[INFO] [stdout]    |                                                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 90 - fn generate_bottom_up_vector(img: &RgbImage, energies: &Vec<u32>) -> Vec<Seam> {
[INFO] [stdout] 90 + fn generate_bottom_up_vector(img: &RgbImage, energies: &[u32]) -> Vec<Seam> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:110:55
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a Vec<Seam>) -> &'a Seam {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 110 - fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a Vec<Seam>) -> &'a Seam {
[INFO] [stdout] 110 + fn determine_best_seam<'a>(img: &RgbImage, bottom_up: &'a [Seam]) -> &'a Seam {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:115:55
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn seam_to_position_vector(img: &RgbImage, bottom_up: &Vec<Seam>, initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 115 - fn seam_to_position_vector(img: &RgbImage, bottom_up: &Vec<Seam>, initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout] 115 + fn seam_to_position_vector(img: &RgbImage, bottom_up: &[Seam], initial_seam: &Seam) -> Vec<Position> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |             if !(old_x == posn_to_remove.0) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(old_x != posn_to_remove.0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/main.rs:132:73
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let posns_to_remove = seam_to_position_vector(&old_img, &bottom_up, &seam);
[INFO] [stdout]     |                                                                         ^^^^^ help: change this to: `seam`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/main.rs:366:73
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let posns_to_remove = seam_to_position_vector(&img, &bottom_up, &seam);
[INFO] [stdout]     |                                                                         ^^^^^ help: change this to: `seam`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `Command { std: "docker" "inspect" "2f86db28b592dbdffdcef10c414f8f64cb1f0656bd02cc6f5029dfb18058cea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f86db28b592dbdffdcef10c414f8f64cb1f0656bd02cc6f5029dfb18058cea4", kill_on_drop: false }`
[INFO] [stdout] 2f86db28b592dbdffdcef10c414f8f64cb1f0656bd02cc6f5029dfb18058cea4