[INFO] updating cached repository sourgrasses/pixelater
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sourgrasses/pixelater
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sourgrasses/pixelater" "work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sourgrasses/pixelater" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourgrasses/pixelater"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourgrasses/pixelater'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 807ed4aa520d36b727bf28d6078e57fbe5fd3d62
[INFO] sha for GitHub repo sourgrasses/pixelater: 807ed4aa520d36b727bf28d6078e57fbe5fd3d62
[INFO] validating manifest of sourgrasses/pixelater 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 sourgrasses/pixelater 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 sourgrasses/pixelater
[INFO] finished frobbing sourgrasses/pixelater
[INFO] frobbed toml for sourgrasses/pixelater written to work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater/Cargo.toml
[INFO] started frobbing sourgrasses/pixelater
[INFO] finished frobbing sourgrasses/pixelater
[INFO] frobbed toml for sourgrasses/pixelater written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourgrasses/pixelater/Cargo.toml
[INFO] crate sourgrasses/pixelater 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 sourgrasses/pixelater against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] aa5e43e26ace7e9dd9af290b35d5ffdd31fd6878ad8083e33bca7f9b0a627ac5
[INFO] running `"docker" "start" "-a" "aa5e43e26ace7e9dd9af290b35d5ffdd31fd6878ad8083e33bca7f9b0a627ac5"`
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling helix v0.7.5
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling pixelater v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/piximage.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let pix_width = (self.w / (self.pix_level * 10) as u32);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/piximage.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let pix_height = (self.h / (self.pix_level * 10) as u32);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/piximage.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/piximage.rs:51:77
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.65s
[INFO] running `"docker" "inspect" "aa5e43e26ace7e9dd9af290b35d5ffdd31fd6878ad8083e33bca7f9b0a627ac5"`
[INFO] running `"docker" "rm" "-f" "aa5e43e26ace7e9dd9af290b35d5ffdd31fd6878ad8083e33bca7f9b0a627ac5"`
[INFO] [stdout] aa5e43e26ace7e9dd9af290b35d5ffdd31fd6878ad8083e33bca7f9b0a627ac5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7eba89f515e9b62ba72514428e0085ab04bdf24cc6bab9fed181783dccecfb0d
[INFO] running `"docker" "start" "-a" "7eba89f515e9b62ba72514428e0085ab04bdf24cc6bab9fed181783dccecfb0d"`
[INFO] [stderr]    Compiling pixelater v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/piximage.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let pix_width = (self.w / (self.pix_level * 10) as u32);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/piximage.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let pix_height = (self.h / (self.pix_level * 10) as u32);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/piximage.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/piximage.rs:51:77
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "7eba89f515e9b62ba72514428e0085ab04bdf24cc6bab9fed181783dccecfb0d"`
[INFO] running `"docker" "rm" "-f" "7eba89f515e9b62ba72514428e0085ab04bdf24cc6bab9fed181783dccecfb0d"`
[INFO] [stdout] 7eba89f515e9b62ba72514428e0085ab04bdf24cc6bab9fed181783dccecfb0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourgrasses/pixelater:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0e148c914a67ce6ece7f273cef4e31fde58dce38b6e9ca7222b3b4a136a3dcd0
[INFO] running `"docker" "start" "-a" "0e148c914a67ce6ece7f273cef4e31fde58dce38b6e9ca7222b3b4a136a3dcd0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pixelater-b326016937250073
[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" "0e148c914a67ce6ece7f273cef4e31fde58dce38b6e9ca7222b3b4a136a3dcd0"`
[INFO] running `"docker" "rm" "-f" "0e148c914a67ce6ece7f273cef4e31fde58dce38b6e9ca7222b3b4a136a3dcd0"`
[INFO] [stdout] 0e148c914a67ce6ece7f273cef4e31fde58dce38b6e9ca7222b3b4a136a3dcd0