[INFO] fetching crate xray 0.1.1...
[INFO] testing xray-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xray 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xray 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xray 0.1.1
[INFO] finished tweaking crates.io crate xray 0.1.1
[INFO] tweaked toml for crates.io crate xray 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b25545ffc2c95126f32cefa5f111b5e116ae44a38bfc8cbad0464ba2d95db4b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b25545ffc2c95126f32cefa5f111b5e116ae44a38bfc8cbad0464ba2d95db4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b25545ffc2c95126f32cefa5f111b5e116ae44a38bfc8cbad0464ba2d95db4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25545ffc2c95126f32cefa5f111b5e116ae44a38bfc8cbad0464ba2d95db4b0", kill_on_drop: false }`
[INFO] [stdout] b25545ffc2c95126f32cefa5f111b5e116ae44a38bfc8cbad0464ba2d95db4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3279535722ab0178039c49660cb91b6beb7251cf5c1c167b57d68bfa73dfc4dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3279535722ab0178039c49660cb91b6beb7251cf5c1c167b57d68bfa73dfc4dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling xray v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `Command { std: "docker" "inspect" "3279535722ab0178039c49660cb91b6beb7251cf5c1c167b57d68bfa73dfc4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3279535722ab0178039c49660cb91b6beb7251cf5c1c167b57d68bfa73dfc4dc", kill_on_drop: false }`
[INFO] [stdout] 3279535722ab0178039c49660cb91b6beb7251cf5c1c167b57d68bfa73dfc4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542e93bfa43786a639614ca4d7a8f65cbe37d494c95bf5b9faf72dac86d90a2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "542e93bfa43786a639614ca4d7a8f65cbe37d494c95bf5b9faf72dac86d90a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xray v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rbgw`
[INFO] [stdout]    --> src/lib.rs:435:13
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let rbgw = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rbgw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lib.rs:443:13
[INFO] [stdout]     |
[INFO] [stdout] 443 |         let expected = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lib.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |         let expected = DynamicImage::ImageRgba8(ImageBuffer::from_vec(2, 2, 
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:391:41
[INFO] [stdout]     |
[INFO] [stdout] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:391:49
[INFO] [stdout]     |
[INFO] [stdout] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stdout]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/lib.rs:391:61
[INFO] [stdout]     |
[INFO] [stdout] 391 |         fn capture_image(&self, x: i32, y: i32, width: u32, height: u32) -> XrayResult<DynamicImage> {
[INFO] [stdout]     |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "542e93bfa43786a639614ca4d7a8f65cbe37d494c95bf5b9faf72dac86d90a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542e93bfa43786a639614ca4d7a8f65cbe37d494c95bf5b9faf72dac86d90a2f", kill_on_drop: false }`
[INFO] [stdout] 542e93bfa43786a639614ca4d7a8f65cbe37d494c95bf5b9faf72dac86d90a2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42c9f4bc440327b1bba2056e232c79f84e4808b8aafd21c574148f0057351b44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42c9f4bc440327b1bba2056e232c79f84e4808b8aafd21c574148f0057351b44", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xray-55ee451377dc9e70
[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/rustwide/target/debug/deps/xray-beb6a8c6f3fbafe2
[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 `Command { std: "docker" "inspect" "42c9f4bc440327b1bba2056e232c79f84e4808b8aafd21c574148f0057351b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c9f4bc440327b1bba2056e232c79f84e4808b8aafd21c574148f0057351b44", kill_on_drop: false }`
[INFO] [stdout] 42c9f4bc440327b1bba2056e232c79f84e4808b8aafd21c574148f0057351b44