[INFO] cloning repository https://github.com/guissalustiano/nalgebra_image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guissalustiano/nalgebra_image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fnalgebra_image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fnalgebra_image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f187d69ec0f489c63755b878d9281c20622f4ce2
[INFO] testing guissalustiano/nalgebra_image against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguissalustiano%2Fnalgebra_image" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guissalustiano/nalgebra_image
[INFO] finished tweaking git repo https://github.com/guissalustiano/nalgebra_image
[INFO] tweaked toml for git repo https://github.com/guissalustiano/nalgebra_image written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guissalustiano/nalgebra_image on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guissalustiano/nalgebra_image already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded memoffset v0.6.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded matrixmultiply v0.3.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded gif v0.11.2
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded nalgebra v0.25.3
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa
[INFO] running `Command { std: "docker" "start" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling simba v0.4.0
[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 nalgebra v0.25.3
[INFO] [stderr]    Compiling pixel_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: associated type bounds are not allowed in `dyn` types
[INFO] [stdout]  --> src/image.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn img2matrix(img: RgbImage) -> Pixel<U: Unsigned+Clone> {
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `impl Trait` to introduce a type instead
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn img2matrix(img: RgbImage) -> Pixel<U: Unsigned+Clone> {
[INFO] [stdout] 5 + pub fn img2matrix(img: RgbImage) -> Pixel<U = impl Unsigned+Clone> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/image.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn img2matrix(img: RgbImage) -> Pixel<U: Unsigned+Clone> {
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn img2matrix(img: RgbImage) -> dyn Pixel<U: Unsigned+Clone> {
[INFO] [stdout]   |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `U` not found for `pixel_types::Pixel`
[INFO] [stdout]  --> src/image.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn img2matrix(img: RgbImage) -> Pixel<U: Unsigned+Clone> {
[INFO] [stdout]   |                                           ^ associated type `U` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pixel_test` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa", kill_on_drop: false }`
[INFO] [stdout] b68d53458e70138229af528a355116221981dc9557464fc9978b131917f894aa
