[INFO] fetching crate colorsys 0.6.3...
[INFO] checking colorsys-0.6.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate colorsys 0.6.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate colorsys 0.6.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcc33a1d23f8016d35769693ffcaca25c7d65eb281fb34755a60c263428b331
[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" "4fcc33a1d23f8016d35769693ffcaca25c7d65eb281fb34755a60c263428b331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcc33a1d23f8016d35769693ffcaca25c7d65eb281fb34755a60c263428b331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcc33a1d23f8016d35769693ffcaca25c7d65eb281fb34755a60c263428b331", kill_on_drop: false }`
[INFO] [stdout] 4fcc33a1d23f8016d35769693ffcaca25c7d65eb281fb34755a60c263428b331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4af5cacfee1a26a956dba21466ed21a6fc6ecadb35dd966168ea059da549bbd
[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" "a4af5cacfee1a26a956dba21466ed21a6fc6ecadb35dd966168ea059da549bbd", 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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "a4af5cacfee1a26a956dba21466ed21a6fc6ecadb35dd966168ea059da549bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4af5cacfee1a26a956dba21466ed21a6fc6ecadb35dd966168ea059da549bbd", kill_on_drop: false }`
[INFO] [stdout] a4af5cacfee1a26a956dba21466ed21a6fc6ecadb35dd966168ea059da549bbd