[INFO] fetching crate colorsys 0.6.3...
[INFO] checking colorsys-0.6.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate colorsys 0.6.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate colorsys 0.6.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colorsys 0.6.3
[INFO] finished tweaking crates.io crate colorsys 0.6.3
[INFO] tweaked toml for crates.io crate colorsys 0.6.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36f91cd9a63533d97e336fd554ebbbd95b895b2cc889304c040db894db676e25
[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" "36f91cd9a63533d97e336fd554ebbbd95b895b2cc889304c040db894db676e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f91cd9a63533d97e336fd554ebbbd95b895b2cc889304c040db894db676e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f91cd9a63533d97e336fd554ebbbd95b895b2cc889304c040db894db676e25", kill_on_drop: false }`
[INFO] [stdout] 36f91cd9a63533d97e336fd554ebbbd95b895b2cc889304c040db894db676e25
[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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878487d42bd4a67b76fde8264b136a8c8923cddb82ed9649ef09447e65d0d269
[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" "878487d42bd4a67b76fde8264b136a8c8923cddb82ed9649ef09447e65d0d269", kill_on_drop: false }`
[INFO] [stderr]     Checking colorsys v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex_to_rgb`
[INFO] [stdout]   --> src/converters/hex_to_rgb.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |   use crate::converters::hex_to_rgb::{from_hex, hex_to_rgb};
[INFO] [stdout]    |                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsla_tuple`
[INFO] [stdout]   --> tests/tst.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let hsla_tuple: (f64,f64,f64,f64) = Hsl::from( Rgb::from(rgb_arr) ).into();
[INFO] [stdout]    |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hsla_tuple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hex`
[INFO] [stdout]   --> tests/tst.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let hex: String = rgba.to_hex_string();
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "878487d42bd4a67b76fde8264b136a8c8923cddb82ed9649ef09447e65d0d269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878487d42bd4a67b76fde8264b136a8c8923cddb82ed9649ef09447e65d0d269", kill_on_drop: false }`
[INFO] [stdout] 878487d42bd4a67b76fde8264b136a8c8923cddb82ed9649ef09447e65d0d269