[INFO] cloning repository https://github.com/MarimeGui/screen_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarimeGui/screen_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fscreen_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fscreen_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04340388391b4c272d63da07be1e87af16e8477e
[INFO] testing MarimeGui/screen_test against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fscreen_test" "/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/MarimeGui/screen_test 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/MarimeGui/screen_test
[INFO] finished tweaking git repo https://github.com/MarimeGui/screen_test
[INFO] tweaked toml for git repo https://github.com/MarimeGui/screen_test written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MarimeGui/screen_test 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded enum-repr v0.2.4
[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] [stdout] 06fc501e694efa84e059a4ef88f667bdfc799864537e420a2e8ea1c1a665746f
[INFO] running `Command { std: "docker" "start" "-a" "06fc501e694efa84e059a4ef88f667bdfc799864537e420a2e8ea1c1a665746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06fc501e694efa84e059a4ef88f667bdfc799864537e420a2e8ea1c1a665746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fc501e694efa84e059a4ef88f667bdfc799864537e420a2e8ea1c1a665746f", kill_on_drop: false }`
[INFO] [stdout] 06fc501e694efa84e059a4ef88f667bdfc799864537e420a2e8ea1c1a665746f
[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] f456bad53320b0bdee20df1744d2d75794cf7c50e3d37d5879d8a628ff7d43c3
[INFO] running `Command { std: "docker" "start" "-a" "f456bad53320b0bdee20df1744d2d75794cf7c50e3d37d5879d8a628ff7d43c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling enum-repr v0.2.4
[INFO] [stderr]    Compiling screen_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `IMAGE_SIZE`
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const IMAGE_SIZE: usize = 4096;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 14.43s
[INFO] running `Command { std: "docker" "inspect" "f456bad53320b0bdee20df1744d2d75794cf7c50e3d37d5879d8a628ff7d43c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f456bad53320b0bdee20df1744d2d75794cf7c50e3d37d5879d8a628ff7d43c3", kill_on_drop: false }`
[INFO] [stdout] f456bad53320b0bdee20df1744d2d75794cf7c50e3d37d5879d8a628ff7d43c3
[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] a78416126387c631649fac4c0676a42ffeffa19578a366a8134d43fb3bcf736b
[INFO] running `Command { std: "docker" "start" "-a" "a78416126387c631649fac4c0676a42ffeffa19578a366a8134d43fb3bcf736b", kill_on_drop: false }`
[INFO] [stderr]    Compiling screen_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `IMAGE_SIZE`
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const IMAGE_SIZE: usize = 4096;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "a78416126387c631649fac4c0676a42ffeffa19578a366a8134d43fb3bcf736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78416126387c631649fac4c0676a42ffeffa19578a366a8134d43fb3bcf736b", kill_on_drop: false }`
[INFO] [stdout] a78416126387c631649fac4c0676a42ffeffa19578a366a8134d43fb3bcf736b
[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] f7611f2274e318d479bacbefb7b7cc841e5b5672471dfb61ed89a62a4a853612
[INFO] running `Command { std: "docker" "start" "-a" "f7611f2274e318d479bacbefb7b7cc841e5b5672471dfb61ed89a62a4a853612", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `IMAGE_SIZE`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 12 | const IMAGE_SIZE: usize = 4096;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `screen_test` (bin "screen_test" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screen_test-a763216e6294da61)
[INFO] running `Command { std: "docker" "inspect" "f7611f2274e318d479bacbefb7b7cc841e5b5672471dfb61ed89a62a4a853612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7611f2274e318d479bacbefb7b7cc841e5b5672471dfb61ed89a62a4a853612", kill_on_drop: false }`
[INFO] [stdout] f7611f2274e318d479bacbefb7b7cc841e5b5672471dfb61ed89a62a4a853612