[INFO] updating cached repository gereeter/dither
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gereeter/dither
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gereeter/dither" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/gereeter/dither"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/gereeter/dither'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gereeter/dither" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/gereeter/dither"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/gereeter/dither'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 198cedce34b1dff1e33d5595e5f66fb1f299ba7d
[INFO] sha for GitHub repo gereeter/dither: 198cedce34b1dff1e33d5595e5f66fb1f299ba7d
[INFO] validating manifest of gereeter/dither on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gereeter/dither on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gereeter/dither
[INFO] finished frobbing gereeter/dither
[INFO] frobbed toml for gereeter/dither written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/gereeter/dither/Cargo.toml
[INFO] started frobbing gereeter/dither
[INFO] finished frobbing gereeter/dither
[INFO] frobbed toml for gereeter/dither written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/gereeter/dither/Cargo.toml
[INFO] crate gereeter/dither already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] checking gereeter/dither against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/gereeter/dither:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43d3320120d6c7d3b49ad3102446c5ffccce7415ef7ea65a8c27abda9813d53c
[INFO] running `"docker" "start" "-a" "43d3320120d6c7d3b49ad3102446c5ffccce7415ef7ea65a8c27abda9813d53c"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking dither v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `diff_H_adj` should have a snake case name
[INFO] [stderr]    --> src/color.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let diff_H_adj = 2.0 * (c1_adj * c2_adj).sqrt() * (diff_h_adj / 2.0).sin();
[INFO] [stderr]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `diff_h_adj`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `diff_H_adj` should have a snake case name
[INFO] [stderr]    --> src/color.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let diff_H_adj = 2.0 * (c1_adj * c2_adj).sqrt() * (diff_h_adj / 2.0).sin();
[INFO] [stderr]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `diff_h_adj`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `"docker" "inspect" "43d3320120d6c7d3b49ad3102446c5ffccce7415ef7ea65a8c27abda9813d53c"`
[INFO] running `"docker" "rm" "-f" "43d3320120d6c7d3b49ad3102446c5ffccce7415ef7ea65a8c27abda9813d53c"`
[INFO] [stdout] 43d3320120d6c7d3b49ad3102446c5ffccce7415ef7ea65a8c27abda9813d53c