[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/beta-1.38-1/sources/1.37.0/gh/gereeter/dither"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gereeter/dither'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gereeter/dither" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gereeter/dither"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gereeter/dither on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gereeter/dither against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f190e57f3af29edacd39e38e6233e550f576f581560cf2f81253e276124f9939
[INFO] running `"docker" "start" "-a" "f190e57f3af29edacd39e38e6233e550f576f581560cf2f81253e276124f9939"`
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `"docker" "inspect" "f190e57f3af29edacd39e38e6233e550f576f581560cf2f81253e276124f9939"`
[INFO] running `"docker" "rm" "-f" "f190e57f3af29edacd39e38e6233e550f576f581560cf2f81253e276124f9939"`
[INFO] [stdout] f190e57f3af29edacd39e38e6233e550f576f581560cf2f81253e276124f9939
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 87f6319d346c8c49ecc7bcf277dc3fad3130550e62cdae086ad80ac3db90bb49
[INFO] running `"docker" "start" "-a" "87f6319d346c8c49ecc7bcf277dc3fad3130550e62cdae086ad80ac3db90bb49"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "87f6319d346c8c49ecc7bcf277dc3fad3130550e62cdae086ad80ac3db90bb49"`
[INFO] running `"docker" "rm" "-f" "87f6319d346c8c49ecc7bcf277dc3fad3130550e62cdae086ad80ac3db90bb49"`
[INFO] [stdout] 87f6319d346c8c49ecc7bcf277dc3fad3130550e62cdae086ad80ac3db90bb49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 033c6a7c1210f7a555f02fbcd940a4b520d9ecc3b875c82ae6874776497613a2
[INFO] running `"docker" "start" "-a" "033c6a7c1210f7a555f02fbcd940a4b520d9ecc3b875c82ae6874776497613a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dither-97fb4df52e3b827b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "033c6a7c1210f7a555f02fbcd940a4b520d9ecc3b875c82ae6874776497613a2"`
[INFO] running `"docker" "rm" "-f" "033c6a7c1210f7a555f02fbcd940a4b520d9ecc3b875c82ae6874776497613a2"`
[INFO] [stdout] 033c6a7c1210f7a555f02fbcd940a4b520d9ecc3b875c82ae6874776497613a2