[INFO] fetching crate art_koi 0.1.0...
[INFO] extracting crate art_koi 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/art_koi/0.1.0
[INFO] extracting crate art_koi 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/art_koi/0.1.0
[INFO] validating manifest of art_koi-0.1.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of art_koi-0.1.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing art_koi-0.1.0
[INFO] finished frobbing art_koi-0.1.0
[INFO] frobbed toml for art_koi-0.1.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/art_koi/0.1.0/Cargo.toml
[INFO] started frobbing art_koi-0.1.0
[INFO] finished frobbing art_koi-0.1.0
[INFO] frobbed toml for art_koi-0.1.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/art_koi/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking art_koi-0.1.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/art_koi/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f51c28c55bf75885728a4706743912ddc1f753cc35b416a84fcc83041351fb8
[INFO] running `"docker" "start" "-a" "3f51c28c55bf75885728a4706743912ddc1f753cc35b416a84fcc83041351fb8"`
[INFO] [stderr]     Checking art_koi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             red_yellow => {
[INFO] [stderr]    |             ---------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 47 |             _ => SecondaryColor::Purple
[INFO] [stderr]    |             ^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red_yellow`
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let red_yellow = vec![PrimaryColor::Red, PrimaryColor::Yellow];
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_red_yellow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red_yellow`
[INFO] [stderr]   --> src/lib.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             red_yellow => {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_red_yellow`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             red_yellow => {
[INFO] [stderr]    |             ---------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 47 |             _ => SecondaryColor::Purple
[INFO] [stderr]    |             ^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red_yellow`
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let red_yellow = vec![PrimaryColor::Red, PrimaryColor::Yellow];
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_red_yellow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red_yellow`
[INFO] [stderr]   --> src/lib.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             red_yellow => {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_red_yellow`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "3f51c28c55bf75885728a4706743912ddc1f753cc35b416a84fcc83041351fb8"`
[INFO] running `"docker" "rm" "-f" "3f51c28c55bf75885728a4706743912ddc1f753cc35b416a84fcc83041351fb8"`
[INFO] [stdout] 3f51c28c55bf75885728a4706743912ddc1f753cc35b416a84fcc83041351fb8