[INFO] cloning repository https://github.com/nickwanninger/window-thing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickwanninger/window-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickwanninger%2Fwindow-thing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickwanninger%2Fwindow-thing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 067ac0650fb1e597ed8644f20bc4fccaa5fa82f1
[INFO] testing nickwanninger/window-thing against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickwanninger%2Fwindow-thing" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickwanninger/window-thing on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nickwanninger/window-thing
[INFO] finished tweaking git repo https://github.com/nickwanninger/window-thing
[INFO] tweaked toml for git repo https://github.com/nickwanninger/window-thing written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nickwanninger/window-thing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dab60dc30f6a64e8cd4932f73deb0fa6cfd088efff69b43a1b463bec3f654553
[INFO] running `Command { std: "docker" "start" "-a" "dab60dc30f6a64e8cd4932f73deb0fa6cfd088efff69b43a1b463bec3f654553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab60dc30f6a64e8cd4932f73deb0fa6cfd088efff69b43a1b463bec3f654553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab60dc30f6a64e8cd4932f73deb0fa6cfd088efff69b43a1b463bec3f654553", kill_on_drop: false }`
[INFO] [stdout] dab60dc30f6a64e8cd4932f73deb0fa6cfd088efff69b43a1b463bec3f654553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf2b5019b581d4a9b329c60f1d725bfdfdb263eb8896c98dbc9602506659178
[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" "5cf2b5019b581d4a9b329c60f1d725bfdfdb263eb8896c98dbc9602506659178", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling png v0.16.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.6
[INFO] [stderr]    Compiling window-thing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GenericImageView`, `ImageBuffer`, `RgbImage`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImageView, ImageBuffer, RgbImage};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.62s
[INFO] running `Command { std: "docker" "inspect" "5cf2b5019b581d4a9b329c60f1d725bfdfdb263eb8896c98dbc9602506659178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf2b5019b581d4a9b329c60f1d725bfdfdb263eb8896c98dbc9602506659178", kill_on_drop: false }`
[INFO] [stdout] 5cf2b5019b581d4a9b329c60f1d725bfdfdb263eb8896c98dbc9602506659178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef04da2fefb02f81c2836c407a2646e57ae024b835eb200f8febb68af4c2b597
[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" "ef04da2fefb02f81c2836c407a2646e57ae024b835eb200f8febb68af4c2b597", kill_on_drop: false }`
[INFO] [stderr]    Compiling window-thing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GenericImageView`, `ImageBuffer`, `RgbImage`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImageView, ImageBuffer, RgbImage};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "ef04da2fefb02f81c2836c407a2646e57ae024b835eb200f8febb68af4c2b597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef04da2fefb02f81c2836c407a2646e57ae024b835eb200f8febb68af4c2b597", kill_on_drop: false }`
[INFO] [stdout] ef04da2fefb02f81c2836c407a2646e57ae024b835eb200f8febb68af4c2b597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6f886ad12d8c9c0113d0becf03390274db8a4ba59ed04c2a1ba887c0c7a4906
[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" "b6f886ad12d8c9c0113d0becf03390274db8a4ba59ed04c2a1ba887c0c7a4906", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `GenericImageView`, `ImageBuffer`, `RgbImage`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use image::{GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `window-thing` (bin "window-thing" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/window_thing-07511482977ce701)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6f886ad12d8c9c0113d0becf03390274db8a4ba59ed04c2a1ba887c0c7a4906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f886ad12d8c9c0113d0becf03390274db8a4ba59ed04c2a1ba887c0c7a4906", kill_on_drop: false }`
[INFO] [stdout] b6f886ad12d8c9c0113d0becf03390274db8a4ba59ed04c2a1ba887c0c7a4906