[INFO] crate nonblocking_socket 0.0.2 is already in cache
[INFO] extracting crate nonblocking_socket 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/nonblocking_socket/0.0.2
[INFO] extracting crate nonblocking_socket 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nonblocking_socket/0.0.2
[INFO] validating manifest of nonblocking_socket-0.0.2 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 nonblocking_socket-0.0.2 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 nonblocking_socket-0.0.2
[INFO] finished frobbing nonblocking_socket-0.0.2
[INFO] frobbed toml for nonblocking_socket-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/nonblocking_socket/0.0.2/Cargo.toml
[INFO] started frobbing nonblocking_socket-0.0.2
[INFO] finished frobbing nonblocking_socket-0.0.2
[INFO] frobbed toml for nonblocking_socket-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nonblocking_socket/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 nonblocking_socket-0.0.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/nonblocking_socket/0.0.2:/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] 8b07743a18d8e42ff9f7839f955818bce3e95da040155f8be473a1bf7f1fad6a
[INFO] running `"docker" "start" "-a" "8b07743a18d8e42ff9f7839f955818bce3e95da040155f8be473a1bf7f1fad6a"`
[INFO] [stderr]     Checking nonblocking_socket v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 |             sock: sock,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `sock`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 |             sock: sock,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `sock`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/lib.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 00004000;
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::zero_prefixed_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 4000;
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 0o4000;
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 00004000;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `00_004_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/lib.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 00004000;
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::zero_prefixed_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 4000;
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 0o4000;
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const O_NONBLOCK: c_int = 00004000;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `00_004_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:128:2
[INFO] [stderr]     |
[INFO] [stderr] 128 |     stream.write(&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 `nonblocking_socket`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8b07743a18d8e42ff9f7839f955818bce3e95da040155f8be473a1bf7f1fad6a"`
[INFO] running `"docker" "rm" "-f" "8b07743a18d8e42ff9f7839f955818bce3e95da040155f8be473a1bf7f1fad6a"`
[INFO] [stdout] 8b07743a18d8e42ff9f7839f955818bce3e95da040155f8be473a1bf7f1fad6a