[INFO] cloning repository https://github.com/p0wp0wpanda/imprint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/p0wp0wpanda/imprint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp0wp0wpanda%2Fimprint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp0wp0wpanda%2Fimprint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46ae2ea4f988ddca078f38facb099b6112353f99
[INFO] testing p0wp0wpanda/imprint against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp0wp0wpanda%2Fimprint" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p0wp0wpanda/imprint on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/p0wp0wpanda/imprint
[INFO] finished tweaking git repo https://github.com/p0wp0wpanda/imprint
[INFO] tweaked toml for git repo https://github.com/p0wp0wpanda/imprint written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/p0wp0wpanda/imprint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec27ef52bf054fb9ee279cfb159e6277973558930890e70ac97b06ec06dfb3a3
[INFO] running `Command { std: "docker" "start" "-a" "ec27ef52bf054fb9ee279cfb159e6277973558930890e70ac97b06ec06dfb3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec27ef52bf054fb9ee279cfb159e6277973558930890e70ac97b06ec06dfb3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec27ef52bf054fb9ee279cfb159e6277973558930890e70ac97b06ec06dfb3a3", kill_on_drop: false }`
[INFO] [stdout] ec27ef52bf054fb9ee279cfb159e6277973558930890e70ac97b06ec06dfb3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365c484aae7711a9e6dfd57325e74e00829b18b7040678472cb6883be5dad60c
[INFO] running `Command { std: "docker" "start" "-a" "365c484aae7711a9e6dfd57325e74e00829b18b7040678472cb6883be5dad60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `plte_check`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let plte_check: Vec<u8> = vec![80, 76, 84, 69]; //PLTE chunk
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_plte_check`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "365c484aae7711a9e6dfd57325e74e00829b18b7040678472cb6883be5dad60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365c484aae7711a9e6dfd57325e74e00829b18b7040678472cb6883be5dad60c", kill_on_drop: false }`
[INFO] [stdout] 365c484aae7711a9e6dfd57325e74e00829b18b7040678472cb6883be5dad60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2bcb939cb428647df998def15ef57a4e2d436656db44fbb92ac3a2db842ecec
[INFO] running `Command { std: "docker" "start" "-a" "b2bcb939cb428647df998def15ef57a4e2d436656db44fbb92ac3a2db842ecec", kill_on_drop: false }`
[INFO] [stderr]    Compiling images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `plte_check`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let plte_check: Vec<u8> = vec![80, 76, 84, 69]; //PLTE chunk
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_plte_check`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.25s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/images-ae7d5ed3e2987ef2)
[INFO] running `Command { std: "docker" "inspect" "b2bcb939cb428647df998def15ef57a4e2d436656db44fbb92ac3a2db842ecec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bcb939cb428647df998def15ef57a4e2d436656db44fbb92ac3a2db842ecec", kill_on_drop: false }`
[INFO] [stdout] b2bcb939cb428647df998def15ef57a4e2d436656db44fbb92ac3a2db842ecec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c19e774c1ff155b118c6e9fc1400e5293d88d95352a3e7091d949e97ea48197f
[INFO] running `Command { std: "docker" "start" "-a" "c19e774c1ff155b118c6e9fc1400e5293d88d95352a3e7091d949e97ea48197f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `plte_check`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let plte_check: Vec<u8> = vec![80, 76, 84, 69]; //PLTE chunk
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_plte_check`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `images` (bin "images" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/images-ae7d5ed3e2987ef2)
[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" "c19e774c1ff155b118c6e9fc1400e5293d88d95352a3e7091d949e97ea48197f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19e774c1ff155b118c6e9fc1400e5293d88d95352a3e7091d949e97ea48197f", kill_on_drop: false }`
[INFO] [stdout] c19e774c1ff155b118c6e9fc1400e5293d88d95352a3e7091d949e97ea48197f