[INFO] updating cached repository https://github.com/atmoPunk/rswal
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f2130e4c0729aa4a1af2eeef593a895586a11d1
[INFO] checking atmoPunk/rswal against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FatmoPunk%2Frswal" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atmoPunk/rswal on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/atmoPunk/rswal
[INFO] finished tweaking git repo https://github.com/atmoPunk/rswal
[INFO] tweaked toml for git repo https://github.com/atmoPunk/rswal written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/atmoPunk/rswal already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccead9e24daa7dbf5c5992b6cb3cbb3ac84e619a4e6ae25e60f87630a206cd39
[INFO] running `"docker" "start" "-a" "ccead9e24daa7dbf5c5992b6cb3cbb3ac84e619a4e6ae25e60f87630a206cd39"`
[INFO] [stderr]     Checking rswal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `generic_adjust`
[INFO] [stderr]   --> src/util.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn generic_adjust(colors: &[Color], light: Brightness) -> Vec<Color> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Palette`
[INFO] [stderr]   --> src/util.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub struct Palette {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generic_adjust`
[INFO] [stderr]   --> src/util.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn generic_adjust(colors: &[Color], light: Brightness) -> Vec<Color> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Palette`
[INFO] [stderr]   --> src/util.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub struct Palette {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "ccead9e24daa7dbf5c5992b6cb3cbb3ac84e619a4e6ae25e60f87630a206cd39"`
[INFO] running `"docker" "rm" "-f" "ccead9e24daa7dbf5c5992b6cb3cbb3ac84e619a4e6ae25e60f87630a206cd39"`
[INFO] [stdout] ccead9e24daa7dbf5c5992b6cb3cbb3ac84e619a4e6ae25e60f87630a206cd39