[INFO] updating cached repository tonyfinn/xray
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tonyfinn/xray
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tonyfinn/xray" "work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tonyfinn/xray" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonyfinn/xray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonyfinn/xray'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd9b5c86de88668b1c7963a7a00d4b51a461d3f3
[INFO] sha for GitHub repo tonyfinn/xray: fd9b5c86de88668b1c7963a7a00d4b51a461d3f3
[INFO] validating manifest of tonyfinn/xray 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 tonyfinn/xray 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 tonyfinn/xray
[INFO] finished frobbing tonyfinn/xray
[INFO] frobbed toml for tonyfinn/xray written to work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray/Cargo.toml
[INFO] started frobbing tonyfinn/xray
[INFO] finished frobbing tonyfinn/xray
[INFO] frobbed toml for tonyfinn/xray written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonyfinn/xray/Cargo.toml
[INFO] crate tonyfinn/xray 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 tonyfinn/xray 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray:/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] 0cbb5e150e2969b59f05e2a6977fc7473e7ad163c4adc2abb0fbce687add9215
[INFO] running `"docker" "start" "-a" "0cbb5e150e2969b59f05e2a6977fc7473e7ad163c4adc2abb0fbce687add9215"`
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling xray v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.92s
[INFO] running `"docker" "inspect" "0cbb5e150e2969b59f05e2a6977fc7473e7ad163c4adc2abb0fbce687add9215"`
[INFO] running `"docker" "rm" "-f" "0cbb5e150e2969b59f05e2a6977fc7473e7ad163c4adc2abb0fbce687add9215"`
[INFO] [stdout] 0cbb5e150e2969b59f05e2a6977fc7473e7ad163c4adc2abb0fbce687add9215
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray:/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] 488cb039d8510f2045251749f6a3a122b052abcf29846f837fd5823de8e545ee
[INFO] running `"docker" "start" "-a" "488cb039d8510f2045251749f6a3a122b052abcf29846f837fd5823de8e545ee"`
[INFO] [stderr]    Compiling xray v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `rbgw`
[INFO] [stderr]    --> src/lib.rs:435:13
[INFO] [stderr]     |
[INFO] [stderr] 435 |         let rbgw = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_rbgw`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> src/lib.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let expected = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_expected`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> src/lib.rs:475:13
[INFO] [stderr]     |
[INFO] [stderr] 475 |         let expected = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_expected`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:391:33
[INFO] [stderr]     |
[INFO] [stderr] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:391:41
[INFO] [stderr]     |
[INFO] [stderr] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stderr]     |                                         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/lib.rs:391:49
[INFO] [stderr]     |
[INFO] [stderr] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stderr]     |                                                 ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/lib.rs:391:61
[INFO] [stderr]     |
[INFO] [stderr] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stderr]     |                                                             ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `"docker" "inspect" "488cb039d8510f2045251749f6a3a122b052abcf29846f837fd5823de8e545ee"`
[INFO] running `"docker" "rm" "-f" "488cb039d8510f2045251749f6a3a122b052abcf29846f837fd5823de8e545ee"`
[INFO] [stdout] 488cb039d8510f2045251749f6a3a122b052abcf29846f837fd5823de8e545ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tonyfinn/xray:/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] cead55c230f682c8097c8c39f3cff7f4278540777c74eb68ef7eb74526c62b63
[INFO] running `"docker" "start" "-a" "cead55c230f682c8097c8c39f3cff7f4278540777c74eb68ef7eb74526c62b63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xray-aa9ebd317888880b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_diff_images ... ok
[INFO] [stdout] test tests::test_success ... ok
[INFO] [stdout] test tests::test_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xray-bc3d4572055ee9e6
[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] [stderr]    Doc-tests xray
[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" "cead55c230f682c8097c8c39f3cff7f4278540777c74eb68ef7eb74526c62b63"`
[INFO] running `"docker" "rm" "-f" "cead55c230f682c8097c8c39f3cff7f4278540777c74eb68ef7eb74526c62b63"`
[INFO] [stdout] cead55c230f682c8097c8c39f3cff7f4278540777c74eb68ef7eb74526c62b63