[INFO] cloning repository https://github.com/tooxo/deriche
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tooxo/deriche" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftooxo%2Fderiche", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftooxo%2Fderiche'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d98daae8f98a7d254fb306169f6f953b7c2b800
[INFO] checking tooxo/deriche against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftooxo%2Fderiche" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tooxo/deriche
[INFO] finished tweaking git repo https://github.com/tooxo/deriche
[INFO] tweaked toml for git repo https://github.com/tooxo/deriche written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tooxo/deriche on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tooxo/deriche 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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 proc-macro2 v1.0.83
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[INFO] [stderr]   Downloaded serde_derive v1.0.202
[INFO] [stderr]   Downloaded image-webp v0.1.2
[INFO] [stderr]   Downloaded toml v0.8.13
[INFO] [stderr]   Downloaded serde v1.0.202
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded num-bigint v0.4.5
[INFO] [stderr]   Downloaded syn v2.0.65
[INFO] [stderr]   Downloaded toml_edit v0.22.13
[INFO] [stderr]   Downloaded winnow v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f
[INFO] running `Command { std: "docker" "start" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
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[INFO] [stderr]    Compiling thiserror-impl v1.0.61
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[INFO] [stderr]     Checking deriche v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WrappingAdd`
[INFO] [stdout]  --> src/detector.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::{Bounded, cast, NumCast, PrimInt, WrappingAdd, Zero};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/image.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut buf = vec![T::zero(); width * height];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut buf = Vec::from(value.as_raw().as_slice());
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             unsafe { &self.zero }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deriche` is never constructed
[INFO] [stdout]   --> src/detector.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Deriche {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `g` is never used
[INFO] [stdout]   --> src/detector.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn g<T>(r: &mut [T], i: isize) -> T
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hysteresis` is never used
[INFO] [stdout]    --> src/detector.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn hysteresis() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]   --> src/image.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<T> GreyscaleImage<T>
[INFO] [stdout] 19 | |     where T: Copy + Zero + Sized
[INFO] [stdout]    | |________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |       fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WrappingAdd`
[INFO] [stdout]  --> src/detector.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::{Bounded, cast, NumCast, PrimInt, WrappingAdd, Zero};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/image.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut buf = vec![T::zero(); width * height];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut buf = Vec::from(value.as_raw().as_slice());
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             unsafe { &self.zero }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deriche` is never constructed
[INFO] [stdout]   --> src/detector.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Deriche {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `g` is never used
[INFO] [stdout]   --> src/detector.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn g<T>(r: &mut [T], i: isize) -> T
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hysteresis` is never used
[INFO] [stdout]    --> src/detector.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn hysteresis() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]   --> src/image.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<T> GreyscaleImage<T>
[INFO] [stdout] 19 | |     where T: Copy + Zero + Sized
[INFO] [stdout]    | |________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |       fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.16s
[INFO] running `Command { std: "docker" "inspect" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f", kill_on_drop: false }`
[INFO] [stdout] bcf3f4ebd528e474cde06d486119a3d06de80db95d81046532922ff40f2cc53f
