[INFO] updating cached repository kirjavascript/duplex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kirjavascript/duplex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/duplex" "work/ex/clippy-test-run/sources/stable/gh/kirjavascript/duplex"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kirjavascript/duplex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/duplex" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kirjavascript/duplex"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kirjavascript/duplex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9f6cc79554f2e9a5ff79eddae7c998b55b08ac4
[INFO] sha for GitHub repo kirjavascript/duplex: c9f6cc79554f2e9a5ff79eddae7c998b55b08ac4
[INFO] validating manifest of kirjavascript/duplex 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 kirjavascript/duplex 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 kirjavascript/duplex
[INFO] finished frobbing kirjavascript/duplex
[INFO] frobbed toml for kirjavascript/duplex written to work/ex/clippy-test-run/sources/stable/gh/kirjavascript/duplex/Cargo.toml
[INFO] started frobbing kirjavascript/duplex
[INFO] finished frobbing kirjavascript/duplex
[INFO] frobbed toml for kirjavascript/duplex written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kirjavascript/duplex/Cargo.toml
[INFO] crate kirjavascript/duplex 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 kirjavascript/duplex 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/kirjavascript/duplex:/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] ac3fbb7bd5c5cc5e84488427299e0d724a7e899504e21c5042cac9dacabb5f11
[INFO] running `"docker" "start" "-a" "ac3fbb7bd5c5cc5e84488427299e0d724a7e899504e21c5042cac9dacabb5f11"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking stdweb v0.4.10
[INFO] [stderr]     Checking duplex v0.1.0 (/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/cube.rs:548:9
[INFO] [stderr]     |
[INFO] [stderr] 548 |         write!(f, "{}\n", self.corners[1]);
[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/cube.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         write!(f, "{}  \n", self.edges[1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:554:9
[INFO] [stderr]     |
[INFO] [stderr] 554 |         write!(f, "{}\n", self.corners[2]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:555:9
[INFO] [stderr]     |
[INFO] [stderr] 555 |         write!(f, "--  -- --\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         write!(f, "{}  \n", self.edges[5]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         write!(f, "{:?}\n", self.centres[3]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:563:9
[INFO] [stderr]     |
[INFO] [stderr] 563 |         write!(f, "{}\n", self.edges[6]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |         write!(f, "--  -- --\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:567:9
[INFO] [stderr]     |
[INFO] [stderr] 567 |         write!(f, "{}\n", self.corners[5]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:570:9
[INFO] [stderr]     |
[INFO] [stderr] 570 |         write!(f, "{}  \n", self.edges[9]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:548:9
[INFO] [stderr]     |
[INFO] [stderr] 548 |         write!(f, "{}\n", self.corners[1]);
[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/cube.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         write!(f, "{}  \n", self.edges[1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:554:9
[INFO] [stderr]     |
[INFO] [stderr] 554 |         write!(f, "{}\n", self.corners[2]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:555:9
[INFO] [stderr]     |
[INFO] [stderr] 555 |         write!(f, "--  -- --\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         write!(f, "{}  \n", self.edges[5]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         write!(f, "{:?}\n", self.centres[3]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:563:9
[INFO] [stderr]     |
[INFO] [stderr] 563 |         write!(f, "{}\n", self.edges[6]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |         write!(f, "--  -- --\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:567:9
[INFO] [stderr]     |
[INFO] [stderr] 567 |         write!(f, "{}\n", self.corners[5]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cube.rs:570:9
[INFO] [stderr]     |
[INFO] [stderr] 570 |         write!(f, "{}  \n", self.edges[9]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `js_export` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
[INFO] [stderr]  --> src/web.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[js_export]
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error[E0658]: The attribute `js_export` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
[INFO] [stderr]  --> src/web.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[js_export]
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `duplex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `duplex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ac3fbb7bd5c5cc5e84488427299e0d724a7e899504e21c5042cac9dacabb5f11"`
[INFO] running `"docker" "rm" "-f" "ac3fbb7bd5c5cc5e84488427299e0d724a7e899504e21c5042cac9dacabb5f11"`
[INFO] [stdout] ac3fbb7bd5c5cc5e84488427299e0d724a7e899504e21c5042cac9dacabb5f11