[INFO] crate xray 0.1.1 is already in cache
[INFO] extracting crate xray 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/xray/0.1.1
[INFO] extracting crate xray 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xray/0.1.1
[INFO] validating manifest of xray-0.1.1 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 xray-0.1.1 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 xray-0.1.1
[INFO] finished frobbing xray-0.1.1
[INFO] frobbed toml for xray-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/xray/0.1.1/Cargo.toml
[INFO] started frobbing xray-0.1.1
[INFO] finished frobbing xray-0.1.1
[INFO] frobbed toml for xray-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xray/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 xray-0.1.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xray/0.1.1:/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] 34f94d54253bbe33418bf6e077337d1982327c28f9a265ef1eaa12a00a561a76
[INFO] running `"docker" "start" "-a" "34f94d54253bbe33418bf6e077337d1982327c28f9a265ef1eaa12a00a561a76"`
[INFO] [stderr]    Compiling xray v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "34f94d54253bbe33418bf6e077337d1982327c28f9a265ef1eaa12a00a561a76"`
[INFO] running `"docker" "rm" "-f" "34f94d54253bbe33418bf6e077337d1982327c28f9a265ef1eaa12a00a561a76"`
[INFO] [stdout] 34f94d54253bbe33418bf6e077337d1982327c28f9a265ef1eaa12a00a561a76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xray/0.1.1:/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] d6d4b573c2acd8b84f76c1f0299ef9eb6711b91f432f2becd9b9488ee4895c17
[INFO] running `"docker" "start" "-a" "d6d4b573c2acd8b84f76c1f0299ef9eb6711b91f432f2becd9b9488ee4895c17"`
[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 2.24s
[INFO] running `"docker" "inspect" "d6d4b573c2acd8b84f76c1f0299ef9eb6711b91f432f2becd9b9488ee4895c17"`
[INFO] running `"docker" "rm" "-f" "d6d4b573c2acd8b84f76c1f0299ef9eb6711b91f432f2becd9b9488ee4895c17"`
[INFO] [stdout] d6d4b573c2acd8b84f76c1f0299ef9eb6711b91f432f2becd9b9488ee4895c17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xray/0.1.1:/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] 4dd93dd9eef4c4d2c0bfa35ca63d779ea66bcb2ed52fc6ddf87c3639af625b6c
[INFO] running `"docker" "start" "-a" "4dd93dd9eef4c4d2c0bfa35ca63d779ea66bcb2ed52fc6ddf87c3639af625b6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xray-8d778f875ed9daa3
[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-e82dc05ab963c4aa
[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" "4dd93dd9eef4c4d2c0bfa35ca63d779ea66bcb2ed52fc6ddf87c3639af625b6c"`
[INFO] running `"docker" "rm" "-f" "4dd93dd9eef4c4d2c0bfa35ca63d779ea66bcb2ed52fc6ddf87c3639af625b6c"`
[INFO] [stdout] 4dd93dd9eef4c4d2c0bfa35ca63d779ea66bcb2ed52fc6ddf87c3639af625b6c