[INFO] fetching crate hsl-ish 0.1.0...
[INFO] checking hsl-ish-0.1.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate hsl-ish 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hsl-ish 0.1.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hsl-ish 0.1.0
[INFO] finished tweaking crates.io crate hsl-ish 0.1.0
[INFO] tweaked toml for crates.io crate hsl-ish 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hsl-ish 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d33803b2d0e3e35ba84f2bf45d171f0c0ffd819ab2d6220a9dee78dbb03a1b
[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" "31d33803b2d0e3e35ba84f2bf45d171f0c0ffd819ab2d6220a9dee78dbb03a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d33803b2d0e3e35ba84f2bf45d171f0c0ffd819ab2d6220a9dee78dbb03a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d33803b2d0e3e35ba84f2bf45d171f0c0ffd819ab2d6220a9dee78dbb03a1b", kill_on_drop: false }`
[INFO] [stdout] 31d33803b2d0e3e35ba84f2bf45d171f0c0ffd819ab2d6220a9dee78dbb03a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04374a383009db0aa2d403005a32cf09c04ff8beb5eb05a6d37d6be9794bc71a
[INFO] running `Command { std: "docker" "start" "-a" "04374a383009db0aa2d403005a32cf09c04ff8beb5eb05a6d37d6be9794bc71a", kill_on_drop: false }`
[INFO] [stderr]     Checking hsl-ish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rgb.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(r: u8, g: u8, b: u8) -> Self {
[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: `s_rgb`
[INFO] [stdout]   --> src/rgb.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn s_rgb(&self) -> [f64; 3] {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rgb.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(r: u8, g: u8, b: u8) -> Self {
[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: `s_rgb`
[INFO] [stdout]   --> src/rgb.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn s_rgb(&self) -> [f64; 3] {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "04374a383009db0aa2d403005a32cf09c04ff8beb5eb05a6d37d6be9794bc71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04374a383009db0aa2d403005a32cf09c04ff8beb5eb05a6d37d6be9794bc71a", kill_on_drop: false }`
[INFO] [stdout] 04374a383009db0aa2d403005a32cf09c04ff8beb5eb05a6d37d6be9794bc71a