[INFO] updating cached repository https://github.com/colatkinson/image_hider
[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] a1ab6e7b61fa7e22a7572920e5a83ab7d531f121
[INFO] testing colatkinson/image_hider against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Fimage_hider" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colatkinson/image_hider 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/colatkinson/image_hider
[INFO] finished tweaking git repo https://github.com/colatkinson/image_hider
[INFO] tweaked toml for git repo https://github.com/colatkinson/image_hider written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/colatkinson/image_hider 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] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 05f0b68397388f47d112ef9832bb5e26f6e8121b54b2acc82d2b1248151ae923
[INFO] running `"docker" "start" "-a" "05f0b68397388f47d112ef9832bb5e26f6e8121b54b2acc82d2b1248151ae923"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling image_hider v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut file = try!(File::create(&Path::new(out_file)));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(file.write_all(buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:52:20
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut file = try!(File::open(&Path::new(in_file)));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     try!(file.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         try!(enc.encode(&buf, img_size, img_size, image::RGBA(8)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:107:15
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let img = try!(image::load_from_memory_with_format(in_buf, image::ImageFormat::PNG));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]   --> src/lib.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use image::{GenericImage, Pixel};
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pixels` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/lib.rs:111:30
[INFO] [stderr]     |
[INFO] [stderr] 111 |     for (_, _, pixel) in img.pixels() {
[INFO] [stderr]     |                              ^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 18  | use image::GenericImageView;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pixel`
[INFO] [stderr]   --> src/lib.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 | use image::{GenericImage, Pixel};
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `image_hider`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "05f0b68397388f47d112ef9832bb5e26f6e8121b54b2acc82d2b1248151ae923"`
[INFO] running `"docker" "rm" "-f" "05f0b68397388f47d112ef9832bb5e26f6e8121b54b2acc82d2b1248151ae923"`
[INFO] [stdout] 05f0b68397388f47d112ef9832bb5e26f6e8121b54b2acc82d2b1248151ae923