[INFO] updating cached repository nrc/rustdoc-highlight
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrc/rustdoc-highlight
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/rustdoc-highlight" "work/ex/clippy-test-run/sources/stable/gh/nrc/rustdoc-highlight"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nrc/rustdoc-highlight'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/rustdoc-highlight" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrc/rustdoc-highlight"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrc/rustdoc-highlight'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a128f772d6e38a61980a300143e811df49e48c1c
[INFO] sha for GitHub repo nrc/rustdoc-highlight: a128f772d6e38a61980a300143e811df49e48c1c
[INFO] validating manifest of nrc/rustdoc-highlight 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 nrc/rustdoc-highlight 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 nrc/rustdoc-highlight
[INFO] finished frobbing nrc/rustdoc-highlight
[INFO] frobbed toml for nrc/rustdoc-highlight written to work/ex/clippy-test-run/sources/stable/gh/nrc/rustdoc-highlight/Cargo.toml
[INFO] started frobbing nrc/rustdoc-highlight
[INFO] finished frobbing nrc/rustdoc-highlight
[INFO] frobbed toml for nrc/rustdoc-highlight written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrc/rustdoc-highlight/Cargo.toml
[INFO] crate nrc/rustdoc-highlight 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 nrc/rustdoc-highlight 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/nrc/rustdoc-highlight:/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] dbadc156d26a2fe6a75c0f771506d15a57391e89bd3dee36365964c23a2ab7c5
[INFO] running `"docker" "start" "-a" "dbadc156d26a2fe6a75c0f771506d15a57391e89bd3dee36365964c23a2ab7c5"`
[INFO] [stderr]     Checking rustdoc-highlight v0.1.5 (/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/lib.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     write!(out, "class=\"rust {}\">\n", class.unwrap_or(""))
[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/lib.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     write!(out, "</pre>\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/lib.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     write!(out, "class=\"rust {}\">\n", class.unwrap_or(""))
[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/lib.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     write!(out, "</pre>\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] error[E0531]: cannot find unit struct/variant or constant `DotEq` in module `token`
[INFO] [stderr]    --> src/lib.rs:333:47
[INFO] [stderr]     |
[INFO] [stderr] 333 |             token::Tilde | token::At | token::DotEq => Class::None,
[INFO] [stderr]     |                                               ^^^^^ not found in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![feature(rustc_private)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0531, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0531`.
[INFO] [stderr] error: Could not compile `rustdoc-highlight`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0531]: cannot find unit struct/variant or constant `DotEq` in module `token`
[INFO] [stderr]    --> src/lib.rs:333:47
[INFO] [stderr]     |
[INFO] [stderr] 333 |             token::Tilde | token::At | token::DotEq => Class::None,
[INFO] [stderr]     |                                               ^^^^^ not found in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![feature(rustc_private)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0531, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0531`.
[INFO] [stderr] error: Could not compile `rustdoc-highlight`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dbadc156d26a2fe6a75c0f771506d15a57391e89bd3dee36365964c23a2ab7c5"`
[INFO] running `"docker" "rm" "-f" "dbadc156d26a2fe6a75c0f771506d15a57391e89bd3dee36365964c23a2ab7c5"`
[INFO] [stdout] dbadc156d26a2fe6a75c0f771506d15a57391e89bd3dee36365964c23a2ab7c5