[INFO] cloning repository zhouyuexie/color-convert
[INFO] running `"git" "clone" "--bare" "git://github.com/zhouyuexie/color-convert.git" "work/cache/sources/gh/zhouyuexie/color-convert"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zhouyuexie/color-convert'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zhouyuexie/color-convert" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zhouyuexie/color-convert"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zhouyuexie/color-convert'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhouyuexie/color-convert" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zhouyuexie/color-convert"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zhouyuexie/color-convert'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 528eb5d880a697878c054781d14b860346dcc3a4
[INFO] sha for GitHub repo zhouyuexie/color-convert: 528eb5d880a697878c054781d14b860346dcc3a4
[INFO] validating manifest of zhouyuexie/color-convert 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 zhouyuexie/color-convert 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 zhouyuexie/color-convert
[INFO] finished frobbing zhouyuexie/color-convert
[INFO] frobbed toml for zhouyuexie/color-convert written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zhouyuexie/color-convert/Cargo.toml
[INFO] started frobbing zhouyuexie/color-convert
[INFO] finished frobbing zhouyuexie/color-convert
[INFO] frobbed toml for zhouyuexie/color-convert written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zhouyuexie/color-convert/Cargo.toml
[INFO] crate zhouyuexie/color-convert already has a lockfile, it will not be regenerated
[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 zhouyuexie/color-convert 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/gh/zhouyuexie/color-convert:/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] 4616d8c96cc861ca39c5ba909dd34ac1748c9c8d5eec14a357c6e51a5c71174a
[INFO] running `"docker" "start" "-a" "4616d8c96cc861ca39c5ba909dd34ac1748c9c8d5eec14a357c6e51a5c71174a"`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking color-convert v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handles/hsl.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut s = utils::convert_alpha_value_to_number(&value["s"]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handles/hsl.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut l = utils::convert_alpha_value_to_number(&value["l"]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handles/hsl.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut s = utils::convert_alpha_value_to_number(&value["s"]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handles/hsl.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut l = utils::convert_alpha_value_to_number(&value["l"]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `"docker" "inspect" "4616d8c96cc861ca39c5ba909dd34ac1748c9c8d5eec14a357c6e51a5c71174a"`
[INFO] running `"docker" "rm" "-f" "4616d8c96cc861ca39c5ba909dd34ac1748c9c8d5eec14a357c6e51a5c71174a"`
[INFO] [stdout] 4616d8c96cc861ca39c5ba909dd34ac1748c9c8d5eec14a357c6e51a5c71174a