[INFO] updating cached repository https://github.com/andrei-cacio/distil-wasm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1bc08c4e8db64312eb22abfb384cea1cd9fc5279
[INFO] testing andrei-cacio/distil-wasm against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-cacio%2Fdistil-wasm" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrei-cacio/distil-wasm on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andrei-cacio/distil-wasm
[INFO] finished tweaking git repo https://github.com/andrei-cacio/distil-wasm
[INFO] tweaked toml for git repo https://github.com/andrei-cacio/distil-wasm written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andrei-cacio/distil-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b7d066ab41afb15376c15f0d02e786ce37be3d9e7dbb7230d53820f70f311060
[INFO] running `"docker" "start" "-a" "b7d066ab41afb15376c15f0d02e786ce37be3d9e7dbb7230d53820f70f311060"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]    Compiling lab v0.4.4
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling delta_e v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling distil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: `derive` may only be applied to structs, enums and unions
[INFO] [stderr]   --> src/lib.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[derive(Serialize)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected an inert attribute, found a derive macro
[INFO] [stderr]   --> src/lib.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[derive(Serialize)]
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'image::GenericImage::pixels_mut': This cannot be implemented safely in Rust. Please use the image buffer directly.
[INFO] [stderr]    --> src/lib.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |             for (_, _, px) in sub_img.pixels_mut() {
[INFO] [stderr]     |                                       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `distil`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b7d066ab41afb15376c15f0d02e786ce37be3d9e7dbb7230d53820f70f311060"`
[INFO] running `"docker" "rm" "-f" "b7d066ab41afb15376c15f0d02e786ce37be3d9e7dbb7230d53820f70f311060"`
[INFO] [stdout] b7d066ab41afb15376c15f0d02e786ce37be3d9e7dbb7230d53820f70f311060