[INFO] cloning repository https://github.com/kirkpetersen/learning-rust2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirkpetersen/learning-rust2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Flearning-rust2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Flearning-rust2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bfd8f147cf6e16646908a5842a79b7b5f7ca609
[INFO] testing kirkpetersen/learning-rust2 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Flearning-rust2" "/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/kirkpetersen/learning-rust2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirkpetersen/learning-rust2
[INFO] finished tweaking git repo https://github.com/kirkpetersen/learning-rust2
[INFO] tweaked toml for git repo https://github.com/kirkpetersen/learning-rust2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5424d68b5d18dd2453ec0dbb398c8e57b8fe66c0fb40d17d0095beb37de74e4
[INFO] running `Command { std: "docker" "start" "-a" "d5424d68b5d18dd2453ec0dbb398c8e57b8fe66c0fb40d17d0095beb37de74e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5424d68b5d18dd2453ec0dbb398c8e57b8fe66c0fb40d17d0095beb37de74e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5424d68b5d18dd2453ec0dbb398c8e57b8fe66c0fb40d17d0095beb37de74e4", kill_on_drop: false }`
[INFO] [stdout] d5424d68b5d18dd2453ec0dbb398c8e57b8fe66c0fb40d17d0095beb37de74e4
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8970a5c28d785a7ae02b6b8ecde0bce289fa28400f26cdc92d358950103589bd
[INFO] running `Command { std: "docker" "start" "-a" "8970a5c28d785a7ae02b6b8ecde0bce289fa28400f26cdc92d358950103589bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling learning-rust2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `ImageRgb8` in crate `image`
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = image::ImageRgb8(imgbuf).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::ImageRgb8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PNG` in crate `image`
[INFO] [stdout]   --> src/main.rs:28:56
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = image::ImageRgb8(imgbuf).save(fout, image::PNG);
[INFO] [stdout]    |                                                        ^^^ not found in `image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::GenericImage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_rgb`: replaced by `to_rgb8`
[INFO] [stdout]   --> src/main.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let imgbuf = img.to_rgb();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning-rust2` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8970a5c28d785a7ae02b6b8ecde0bce289fa28400f26cdc92d358950103589bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8970a5c28d785a7ae02b6b8ecde0bce289fa28400f26cdc92d358950103589bd", kill_on_drop: false }`
[INFO] [stdout] 8970a5c28d785a7ae02b6b8ecde0bce289fa28400f26cdc92d358950103589bd