[INFO] updating cached repository jagg/irc-envoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jagg/irc-envoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jagg/irc-envoy" "work/ex/clippy-test-run/sources/stable/gh/jagg/irc-envoy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jagg/irc-envoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jagg/irc-envoy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jagg/irc-envoy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jagg/irc-envoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a3d1f332f98a166f4e6af1e050a7145755fbb4c
[INFO] sha for GitHub repo jagg/irc-envoy: 1a3d1f332f98a166f4e6af1e050a7145755fbb4c
[INFO] validating manifest of jagg/irc-envoy 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 jagg/irc-envoy 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 jagg/irc-envoy
[INFO] finished frobbing jagg/irc-envoy
[INFO] frobbed toml for jagg/irc-envoy written to work/ex/clippy-test-run/sources/stable/gh/jagg/irc-envoy/Cargo.toml
[INFO] started frobbing jagg/irc-envoy
[INFO] finished frobbing jagg/irc-envoy
[INFO] frobbed toml for jagg/irc-envoy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jagg/irc-envoy/Cargo.toml
[INFO] crate jagg/irc-envoy 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 jagg/irc-envoy against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jagg/irc-envoy:/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] e7512cedaccc90ff09a8f4e078582853ce87f115fdc621452090a74025467702
[INFO] running `"docker" "start" "-a" "e7512cedaccc90ff09a8f4e078582853ce87f115fdc621452090a74025467702"`
[INFO] [stderr]     Checking irc-envoy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `irc-envoy`.
[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/irc.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/irc.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `irc-envoy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7512cedaccc90ff09a8f4e078582853ce87f115fdc621452090a74025467702"`
[INFO] running `"docker" "rm" "-f" "e7512cedaccc90ff09a8f4e078582853ce87f115fdc621452090a74025467702"`
[INFO] [stdout] e7512cedaccc90ff09a8f4e078582853ce87f115fdc621452090a74025467702