[INFO] updating cached repository mkpankov/much-connection-very-10k
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkpankov/much-connection-very-10k
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/much-connection-very-10k" "work/ex/clippy-test-run/sources/stable/gh/mkpankov/much-connection-very-10k"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mkpankov/much-connection-very-10k'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/much-connection-very-10k" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mkpankov/much-connection-very-10k"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mkpankov/much-connection-very-10k'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 278f7eb97e48ba093e867437477f4a0590c5a024
[INFO] sha for GitHub repo mkpankov/much-connection-very-10k: 278f7eb97e48ba093e867437477f4a0590c5a024
[INFO] validating manifest of mkpankov/much-connection-very-10k 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 mkpankov/much-connection-very-10k 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 mkpankov/much-connection-very-10k
[INFO] finished frobbing mkpankov/much-connection-very-10k
[INFO] frobbed toml for mkpankov/much-connection-very-10k written to work/ex/clippy-test-run/sources/stable/gh/mkpankov/much-connection-very-10k/Cargo.toml
[INFO] started frobbing mkpankov/much-connection-very-10k
[INFO] finished frobbing mkpankov/much-connection-very-10k
[INFO] frobbed toml for mkpankov/much-connection-very-10k written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mkpankov/much-connection-very-10k/Cargo.toml
[INFO] crate mkpankov/much-connection-very-10k 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 mkpankov/much-connection-very-10k against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/mkpankov/much-connection-very-10k:/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] 551d55df748dba88938a9138ce4c158f1da58ee097e405c4d319f2ff08d03105
[INFO] running `"docker" "start" "-a" "551d55df748dba88938a9138ce4c158f1da58ee097e405c4d319f2ff08d03105"`
[INFO] [stderr]     Checking much-connection-very-10k v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Consider using an AtomicUsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>.
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let counter = Arc::new((Mutex::new(0), Condvar::new()));
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mutex_atomic)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mutex_atomic
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             stream.read(&mut buf).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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `much-connection-very-10k`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Consider using an AtomicUsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>.
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let counter = Arc::new((Mutex::new(0), Condvar::new()));
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mutex_atomic)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mutex_atomic
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             stream.read(&mut buf).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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `much-connection-very-10k`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "551d55df748dba88938a9138ce4c158f1da58ee097e405c4d319f2ff08d03105"`
[INFO] running `"docker" "rm" "-f" "551d55df748dba88938a9138ce4c158f1da58ee097e405c4d319f2ff08d03105"`
[INFO] [stdout] 551d55df748dba88938a9138ce4c158f1da58ee097e405c4d319f2ff08d03105