[INFO] cloning repository https://github.com/vidstige/metallic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vidstige/metallic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidstige%2Fmetallic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidstige%2Fmetallic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 743a47339920b41adcd32bd735cb65470b10f81a
[INFO] checking vidstige/metallic against master#9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidstige%2Fmetallic" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vidstige/metallic on toolchain 9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vidstige/metallic
[INFO] finished tweaking git repo https://github.com/vidstige/metallic
[INFO] tweaked toml for git repo https://github.com/vidstige/metallic written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vidstige/metallic 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" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.32.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0957fa85e85796461c4f97502ceb402093e426743f8d1062fc0b2c6c92316bb
[INFO] running `Command { std: "docker" "start" "-a" "a0957fa85e85796461c4f97502ceb402093e426743f8d1062fc0b2c6c92316bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0957fa85e85796461c4f97502ceb402093e426743f8d1062fc0b2c6c92316bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0957fa85e85796461c4f97502ceb402093e426743f8d1062fc0b2c6c92316bb", kill_on_drop: false }`
[INFO] [stdout] a0957fa85e85796461c4f97502ceb402093e426743f8d1062fc0b2c6c92316bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b2eb4cfa3011800cc1c050e35e7e61ef2c3b2cbd8b9f15022a046f78e2fcb7
[INFO] running `Command { std: "docker" "start" "-a" "99b2eb4cfa3011800cc1c050e35e7e61ef2c3b2cbd8b9f15022a046f78e2fcb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.4
[INFO] [stderr]     Checking metallic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `phi`
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (theta, phi) = (s.y, s.z);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_phi`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK` is never used
[INFO] [stdout]   --> src/main.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const BLACK: Color = 0xff000000_u32.to_le_bytes();
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checker` is never used
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn checker(x: f32, y: f32, resolution: Resolution) -> Color {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill` is never used
[INFO] [stdout]    --> src/main.rs:269:4
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn fill(buffer: &mut Buffer, gradient: &Gradient) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phi`
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (theta, phi) = (s.y, s.z);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_phi`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK` is never used
[INFO] [stdout]   --> src/main.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const BLACK: Color = 0xff000000_u32.to_le_bytes();
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checker` is never used
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn checker(x: f32, y: f32, resolution: Resolution) -> Color {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill` is never used
[INFO] [stdout]    --> src/main.rs:269:4
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn fill(buffer: &mut Buffer, gradient: &Gradient) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `Command { std: "docker" "inspect" "99b2eb4cfa3011800cc1c050e35e7e61ef2c3b2cbd8b9f15022a046f78e2fcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b2eb4cfa3011800cc1c050e35e7e61ef2c3b2cbd8b9f15022a046f78e2fcb7", kill_on_drop: false }`
[INFO] [stdout] 99b2eb4cfa3011800cc1c050e35e7e61ef2c3b2cbd8b9f15022a046f78e2fcb7