[INFO] updating cached repository humean/qix-rs-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/humean/qix-rs-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/humean/qix-rs-client" "work/ex/clippy-test-run/sources/stable/gh/humean/qix-rs-client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/humean/qix-rs-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/humean/qix-rs-client" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humean/qix-rs-client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humean/qix-rs-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fad342444a3da895ce9d07d9389e5fba5a775d59
[INFO] sha for GitHub repo humean/qix-rs-client: fad342444a3da895ce9d07d9389e5fba5a775d59
[INFO] validating manifest of humean/qix-rs-client 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 humean/qix-rs-client 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 humean/qix-rs-client
[INFO] finished frobbing humean/qix-rs-client
[INFO] frobbed toml for humean/qix-rs-client written to work/ex/clippy-test-run/sources/stable/gh/humean/qix-rs-client/Cargo.toml
[INFO] started frobbing humean/qix-rs-client
[INFO] finished frobbing humean/qix-rs-client
[INFO] frobbed toml for humean/qix-rs-client written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/humean/qix-rs-client/Cargo.toml
[INFO] crate humean/qix-rs-client 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 humean/qix-rs-client against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/humean/qix-rs-client:/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] 1d16fcf7ae4696fd22414ec094e3adea4bfe885ba79b2ad383abff3828cf2c38
[INFO] running `"docker" "start" "-a" "1d16fcf7ae4696fd22414ec094e3adea4bfe885ba79b2ad383abff3828cf2c38"`
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ws v0.7.3
[INFO] [stderr]     Checking qix-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/codegen/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/codegen/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     return Ok(());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut file = File::open("./jsonrpcapi.json").unwrap();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QStructDef`
[INFO] [stderr]   --> src/codegen/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct QStructDef {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/codegen/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/codegen/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     return Ok(());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut file = File::open("./jsonrpcapi.json").unwrap();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QStructDef`
[INFO] [stderr]   --> src/codegen/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct QStructDef {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `"docker" "inspect" "1d16fcf7ae4696fd22414ec094e3adea4bfe885ba79b2ad383abff3828cf2c38"`
[INFO] running `"docker" "rm" "-f" "1d16fcf7ae4696fd22414ec094e3adea4bfe885ba79b2ad383abff3828cf2c38"`
[INFO] [stdout] 1d16fcf7ae4696fd22414ec094e3adea4bfe885ba79b2ad383abff3828cf2c38