[INFO] crate isomagic 0.1.0 is already in cache
[INFO] extracting crate isomagic 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/isomagic/0.1.0
[INFO] extracting crate isomagic 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/isomagic/0.1.0
[INFO] validating manifest of isomagic-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of isomagic-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing isomagic-0.1.0
[INFO] finished frobbing isomagic-0.1.0
[INFO] frobbed toml for isomagic-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/isomagic/0.1.0/Cargo.toml
[INFO] started frobbing isomagic-0.1.0
[INFO] finished frobbing isomagic-0.1.0
[INFO] frobbed toml for isomagic-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/isomagic/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing isomagic-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/isomagic/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ceab0ac3ee565e9bef4740cc0c7da1e39722806bd61a7eef7eb04514f249f4df
[INFO] running `"docker" "start" "-a" "ceab0ac3ee565e9bef4740cc0c7da1e39722806bd61a7eef7eb04514f249f4df"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling dot_vox v3.1.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling isomagic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<u8>` has no field named `data`
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |         Rgba {
[INFO] [stderr]     |         ---- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 153 |             data: [r, g, b, a]
[INFO] [stderr]     |             ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0560`.
[INFO] [stderr] error: Could not compile `isomagic`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ceab0ac3ee565e9bef4740cc0c7da1e39722806bd61a7eef7eb04514f249f4df"`
[INFO] running `"docker" "rm" "-f" "ceab0ac3ee565e9bef4740cc0c7da1e39722806bd61a7eef7eb04514f249f4df"`
[INFO] [stdout] ceab0ac3ee565e9bef4740cc0c7da1e39722806bd61a7eef7eb04514f249f4df