[INFO] updating cached repository allthetime/rust_http_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/allthetime/rust_http_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/allthetime/rust_http_server" "work/ex/clippy-test-run/sources/stable/gh/allthetime/rust_http_server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/allthetime/rust_http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/allthetime/rust_http_server" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/allthetime/rust_http_server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/allthetime/rust_http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7c0f3ffde02a40c365c357de1ea584a74932495
[INFO] sha for GitHub repo allthetime/rust_http_server: f7c0f3ffde02a40c365c357de1ea584a74932495
[INFO] validating manifest of allthetime/rust_http_server 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 allthetime/rust_http_server 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 allthetime/rust_http_server
[INFO] finished frobbing allthetime/rust_http_server
[INFO] frobbed toml for allthetime/rust_http_server written to work/ex/clippy-test-run/sources/stable/gh/allthetime/rust_http_server/Cargo.toml
[INFO] started frobbing allthetime/rust_http_server
[INFO] finished frobbing allthetime/rust_http_server
[INFO] frobbed toml for allthetime/rust_http_server written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/allthetime/rust_http_server/Cargo.toml
[INFO] crate allthetime/rust_http_server 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 allthetime/rust_http_server against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/allthetime/rust_http_server:/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] 0110bf6911d8ab23cfd31471ee32f4e159254b290c592347593453b19b522725
[INFO] running `"docker" "start" "-a" "0110bf6911d8ab23cfd31471ee32f4e159254b290c592347593453b19b522725"`
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/strings.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return ""
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `""`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/strings.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return ""
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `""`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     stream.read(&mut buffer).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: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     stream.write(response.as_bytes()).unwrap();
[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] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     stream.read(&mut buffer).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: Could not compile `server`.
[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/lib.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     stream.write(response.as_bytes()).unwrap();
[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] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0110bf6911d8ab23cfd31471ee32f4e159254b290c592347593453b19b522725"`
[INFO] running `"docker" "rm" "-f" "0110bf6911d8ab23cfd31471ee32f4e159254b290c592347593453b19b522725"`
[INFO] [stdout] 0110bf6911d8ab23cfd31471ee32f4e159254b290c592347593453b19b522725