[INFO] cloning repository https://github.com/urvil38/swatch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urvil38/swatch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furvil38%2Fswatch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furvil38%2Fswatch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a83643a25a5f2d4f4ff0e47d95af3c09fb3e0c2
[INFO] checking urvil38/swatch-rs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furvil38%2Fswatch-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urvil38/swatch-rs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/urvil38/swatch-rs
[INFO] finished tweaking git repo https://github.com/urvil38/swatch-rs
[INFO] tweaked toml for git repo https://github.com/urvil38/swatch-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/urvil38/swatch-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5352bdd7226e57ae5e040c7f4dd3a66234bbb9462eec71aea54e829ff6bd0b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5352bdd7226e57ae5e040c7f4dd3a66234bbb9462eec71aea54e829ff6bd0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5352bdd7226e57ae5e040c7f4dd3a66234bbb9462eec71aea54e829ff6bd0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5352bdd7226e57ae5e040c7f4dd3a66234bbb9462eec71aea54e829ff6bd0b7", kill_on_drop: false }`
[INFO] [stdout] c5352bdd7226e57ae5e040c7f4dd3a66234bbb9462eec71aea54e829ff6bd0b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d9a2a810cc811440a00afa17cd3fd7ead0259a721cd0b55d54023ca396d7d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9d9a2a810cc811440a00afa17cd3fd7ead0259a721cd0b55d54023ca396d7d8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking swatch-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `adjust_color`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn adjust_color(&mut self, factor: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighter`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn lighter(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darker`
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn darker(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/lib.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn clamp(v: i64, a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adjust_color`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn adjust_color(&mut self, factor: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighter`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn lighter(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darker`
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn darker(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/lib.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn clamp(v: i64, a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adjust_color`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn adjust_color(&mut self, factor: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighter`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn lighter(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darker`
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn darker(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/lib.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn clamp(v: i64, a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_variant_color`
[INFO] [stdout]    --> src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn most_variant_color(pixels: &[Pixel]) -> Pixel {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adjust_color`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn adjust_color(&mut self, factor: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighter`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn lighter(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darker`
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn darker(&mut self, percent: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/lib.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn clamp(v: i64, a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_variant_color`
[INFO] [stdout]    --> src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn most_variant_color(pixels: &[Pixel]) -> Pixel {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f9d9a2a810cc811440a00afa17cd3fd7ead0259a721cd0b55d54023ca396d7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d9a2a810cc811440a00afa17cd3fd7ead0259a721cd0b55d54023ca396d7d8", kill_on_drop: false }`
[INFO] [stdout] f9d9a2a810cc811440a00afa17cd3fd7ead0259a721cd0b55d54023ca396d7d8