[INFO] updating cached repository skade/mailbox-konstanz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/skade/mailbox-konstanz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/mailbox-konstanz" "work/ex/clippy-test-run/sources/stable/gh/skade/mailbox-konstanz"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/skade/mailbox-konstanz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/mailbox-konstanz" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/skade/mailbox-konstanz"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/skade/mailbox-konstanz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] sha for GitHub repo skade/mailbox-konstanz: 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] validating manifest of skade/mailbox-konstanz 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 skade/mailbox-konstanz 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 skade/mailbox-konstanz
[INFO] finished frobbing skade/mailbox-konstanz
[INFO] frobbed toml for skade/mailbox-konstanz written to work/ex/clippy-test-run/sources/stable/gh/skade/mailbox-konstanz/Cargo.toml
[INFO] started frobbing skade/mailbox-konstanz
[INFO] finished frobbing skade/mailbox-konstanz
[INFO] frobbed toml for skade/mailbox-konstanz written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/skade/mailbox-konstanz/Cargo.toml
[INFO] crate skade/mailbox-konstanz 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 skade/mailbox-konstanz against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/skade/mailbox-konstanz:/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 -Dclippy::into_iter_on_array" "-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] 616c58170e9f25846eb3687a7c341ea0c06204c72b032a9283fd01857062c7cc
[INFO] running `"docker" "start" "-a" "616c58170e9f25846eb3687a7c341ea0c06204c72b032a9283fd01857062c7cc"`
[INFO] [stderr]     Checking mailbox v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |         None => write!(stream, "No message in inbox!\n")
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |         None => write!(stream, "No message in inbox!\n")
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     match data {
[INFO] [stderr] 58 | |         Some(message) => write!(stream, "{}", message),
[INFO] [stderr] 59 | |         None => write!(stream, "No message in inbox!\n")
[INFO] [stderr] 60 | |     }.ok().expect("Write failed!");
[INFO] [stderr]    | |__________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     res.ok().expect("An error occured while reading!");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     match data {
[INFO] [stderr] 58 | |         Some(message) => write!(stream, "{}", message),
[INFO] [stderr] 59 | |         None => write!(stream, "No message in inbox!\n")
[INFO] [stderr] 60 | |     }.ok().expect("Write failed!");
[INFO] [stderr]    | |__________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     res.ok().expect("An error occured while reading!");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "616c58170e9f25846eb3687a7c341ea0c06204c72b032a9283fd01857062c7cc"`
[INFO] running `"docker" "rm" "-f" "616c58170e9f25846eb3687a7c341ea0c06204c72b032a9283fd01857062c7cc"`
[INFO] [stdout] 616c58170e9f25846eb3687a7c341ea0c06204c72b032a9283fd01857062c7cc