[INFO] updating cached repository https://github.com/KCreate/pngencoder-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 083570fc3388b0e71a3bcb49240ef7873378bfd9
[INFO] testing KCreate/pngencoder-rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKCreate%2Fpngencoder-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KCreate/pngencoder-rust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KCreate/pngencoder-rust
[INFO] finished tweaking git repo https://github.com/KCreate/pngencoder-rust
[INFO] tweaked toml for git repo https://github.com/KCreate/pngencoder-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/KCreate/pngencoder-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7f7e0d59e5471bb15edfba39edf414093ae01f059ddc517b01fc847207b8830
[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" "f7f7e0d59e5471bb15edfba39edf414093ae01f059ddc517b01fc847207b8830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7f7e0d59e5471bb15edfba39edf414093ae01f059ddc517b01fc847207b8830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f7e0d59e5471bb15edfba39edf414093ae01f059ddc517b01fc847207b8830", kill_on_drop: false }`
[INFO] [stdout] f7f7e0d59e5471bb15edfba39edf414093ae01f059ddc517b01fc847207b8830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ea885d3dda29c85cb6c3be4f97215532620d639fd226e9a621feb8030e1450
[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" "53ea885d3dda29c85cb6c3be4f97215532620d639fd226e9a621feb8030e1450", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.23.8
[INFO] [stderr]    Compiling pngencoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `ImageRgba8` in crate `image`
[INFO] [stdout]   --> src/main.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = image::ImageRgba8(img).save(fout, image::PNG);
[INFO] [stdout]    |                    ^^^^^^^^^^ not found in `image`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 3  | use image::DynamicImage::ImageRgba8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PNG` in crate `image`
[INFO] [stdout]   --> src/main.rs:57:54
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = image::ImageRgba8(img).save(fout, image::PNG);
[INFO] [stdout]    |                                                      ^^^ not found in `image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngencoder`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "53ea885d3dda29c85cb6c3be4f97215532620d639fd226e9a621feb8030e1450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ea885d3dda29c85cb6c3be4f97215532620d639fd226e9a621feb8030e1450", kill_on_drop: false }`
[INFO] [stdout] 53ea885d3dda29c85cb6c3be4f97215532620d639fd226e9a621feb8030e1450