[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-1.37-6/sources/1.36.0/gh/sourgrasses/pixelater"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sourgrasses/pixelater'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sourgrasses/pixelater" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sourgrasses/pixelater"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sourgrasses/pixelater on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sourgrasses/pixelater against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ba9072ad57d0fcf6d7f87bbf7352720b1fec16d0663f21ed139422040cf10a96
[INFO] running `"docker" "start" "-a" "ba9072ad57d0fcf6d7f87bbf7352720b1fec16d0663f21ed139422040cf10a96"`
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling helix v0.7.5
[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 30.18s
[INFO] running `"docker" "inspect" "ba9072ad57d0fcf6d7f87bbf7352720b1fec16d0663f21ed139422040cf10a96"`
[INFO] running `"docker" "rm" "-f" "ba9072ad57d0fcf6d7f87bbf7352720b1fec16d0663f21ed139422040cf10a96"`
[INFO] [stdout] ba9072ad57d0fcf6d7f87bbf7352720b1fec16d0663f21ed139422040cf10a96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f8308f2333d91b811cd1ddff7a7ab41a686e6a237ea0b4b85d5c931a995ce29
[INFO] running `"docker" "start" "-a" "5f8308f2333d91b811cd1ddff7a7ab41a686e6a237ea0b4b85d5c931a995ce29"`
[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 2.18s
[INFO] running `"docker" "inspect" "5f8308f2333d91b811cd1ddff7a7ab41a686e6a237ea0b4b85d5c931a995ce29"`
[INFO] running `"docker" "rm" "-f" "5f8308f2333d91b811cd1ddff7a7ab41a686e6a237ea0b4b85d5c931a995ce29"`
[INFO] [stdout] 5f8308f2333d91b811cd1ddff7a7ab41a686e6a237ea0b4b85d5c931a995ce29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1febd2caa3d0c48e41ffe9dafbb1e5ea000fea51c7e18392dcfd04525610d828
[INFO] running `"docker" "start" "-a" "1febd2caa3d0c48e41ffe9dafbb1e5ea000fea51c7e18392dcfd04525610d828"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pixelater-2f31e48369809200
[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" "1febd2caa3d0c48e41ffe9dafbb1e5ea000fea51c7e18392dcfd04525610d828"`
[INFO] running `"docker" "rm" "-f" "1febd2caa3d0c48e41ffe9dafbb1e5ea000fea51c7e18392dcfd04525610d828"`
[INFO] [stdout] 1febd2caa3d0c48e41ffe9dafbb1e5ea000fea51c7e18392dcfd04525610d828