[INFO] cloning repository https://github.com/entropylost/nihil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/entropylost/nihil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropylost%2Fnihil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropylost%2Fnihil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8b60758f13791e31584426e9008423756ee36d7
[INFO] checking entropylost/nihil against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fentropylost%2Fnihil" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/entropylost/nihil
[INFO] finished tweaking git repo https://github.com/entropylost/nihil
[INFO] tweaked toml for git repo https://github.com/entropylost/nihil written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/entropylost/nihil on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/entropylost/nihil 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "036d672e23829a73895392ee34bc7be001f55f3566cba7323c423caf3abf2cdc", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: associated function `opaque` is never used
[INFO] [stdout]   --> src/color.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait OpacityExt {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] 16 |     fn opaque() -> Self;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `solid` and `dark` are never used
[INFO] [stdout]   --> src/color.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Color {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn solid(emission: Emission) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn dark(opacity: Opacity) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `opaque` is never used
[INFO] [stdout]   --> src/fluence.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait TransmittanceExt {
[INFO] [stdout]    |           ---------------- associated function in this trait
[INFO] [stdout] 18 |     fn opaque() -> Self;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `solid`, `dark`, `blend`, and `restrict_angle` are never used
[INFO] [stdout]   --> src/fluence.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Fluence {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn solid(radiance: Radiance) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn dark(transmittance: Transmittance) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn blend(values: impl IntoIterator<Item = Fluence>) -> Fluence {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn restrict_angle(self, angle: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `opaque` is never used
[INFO] [stdout]   --> src/color.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait OpacityExt {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] 16 |     fn opaque() -> Self;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `solid` and `dark` are never used
[INFO] [stdout]   --> src/color.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Color {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn solid(emission: Emission) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn dark(opacity: Opacity) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `opaque` is never used
[INFO] [stdout]   --> src/fluence.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait TransmittanceExt {
[INFO] [stdout]    |           ---------------- associated function in this trait
[INFO] [stdout] 18 |     fn opaque() -> Self;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `solid`, `dark`, `blend`, and `restrict_angle` are never used
[INFO] [stdout]   --> src/fluence.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Fluence {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn solid(radiance: Radiance) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn dark(transmittance: Transmittance) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn blend(values: impl IntoIterator<Item = Fluence>) -> Fluence {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn restrict_angle(self, angle: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.00s
[INFO] running `Command { std: "docker" "inspect" "6fde0c3760ea6537ca7d2831ef8c9bc05369a376a08fe8c5f009370b4e1aafaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fde0c3760ea6537ca7d2831ef8c9bc05369a376a08fe8c5f009370b4e1aafaa", kill_on_drop: false }`
[INFO] [stdout] 6fde0c3760ea6537ca7d2831ef8c9bc05369a376a08fe8c5f009370b4e1aafaa