[INFO] updating cached repository revilo/barcode_gen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/revilo/barcode_gen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/revilo/barcode_gen" "work/ex/clippy-test-run/sources/stable/gh/revilo/barcode_gen"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/revilo/barcode_gen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/revilo/barcode_gen" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/revilo/barcode_gen"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/revilo/barcode_gen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52c790e4d6378832c82feebe58134af35ef6316f
[INFO] sha for GitHub repo revilo/barcode_gen: 52c790e4d6378832c82feebe58134af35ef6316f
[INFO] validating manifest of revilo/barcode_gen on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of revilo/barcode_gen on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing revilo/barcode_gen
[INFO] finished frobbing revilo/barcode_gen
[INFO] frobbed toml for revilo/barcode_gen written to work/ex/clippy-test-run/sources/stable/gh/revilo/barcode_gen/Cargo.toml
[INFO] started frobbing revilo/barcode_gen
[INFO] finished frobbing revilo/barcode_gen
[INFO] frobbed toml for revilo/barcode_gen written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/revilo/barcode_gen/Cargo.toml
[INFO] crate revilo/barcode_gen has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting revilo/barcode_gen against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/revilo/barcode_gen:/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=forbid" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3e5642a9cfeda3fb12b3c522aef8a7c972433fd5bdfddf88d6b787df3fa11a08
[INFO] running `"docker" "start" "-a" "3e5642a9cfeda3fb12b3c522aef8a7c972433fd5bdfddf88d6b787df3fa11a08"`
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking barcoders v0.9.0
[INFO] [stderr]     Checking barcode_gen v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             writer.write(&output).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             std::io::stdout().write(&output).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `barcode_gen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             writer.write(&output).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             std::io::stdout().write(&output).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `barcode_gen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3e5642a9cfeda3fb12b3c522aef8a7c972433fd5bdfddf88d6b787df3fa11a08"`
[INFO] running `"docker" "rm" "-f" "3e5642a9cfeda3fb12b3c522aef8a7c972433fd5bdfddf88d6b787df3fa11a08"`
[INFO] [stdout] 3e5642a9cfeda3fb12b3c522aef8a7c972433fd5bdfddf88d6b787df3fa11a08