[INFO] crate iis 0.1.0 is already in cache
[INFO] extracting crate iis 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/iis/0.1.0
[INFO] extracting crate iis 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iis/0.1.0
[INFO] validating manifest of iis-0.1.0 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 iis-0.1.0 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 iis-0.1.0
[INFO] finished frobbing iis-0.1.0
[INFO] frobbed toml for iis-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/iis/0.1.0/Cargo.toml
[INFO] started frobbing iis-0.1.0
[INFO] finished frobbing iis-0.1.0
[INFO] frobbed toml for iis-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iis/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 iis-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/iis/0.1.0:/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] bb9627060a3daf70017e8ee00a9eacceb7ef7220534c738b442077b3372ccd2d
[INFO] running `"docker" "start" "-a" "bb9627060a3daf70017e8ee00a9eacceb7ef7220534c738b442077b3372ccd2d"`
[INFO] [stderr] warning: unused manifest key: package.gitlab
[INFO] [stderr]     Checking iis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     port
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |       let port = match env::var("HTTP_PLATFORM_PORT") {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 11 | |         Ok(val) => val,
[INFO] [stderr] 12 | |         Err(e) => "6767".to_string(),
[INFO] [stderr] 13 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Err(e) => "6767".to_string(),
[INFO] [stderr]    |             ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     port
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |       let port = match env::var("HTTP_PLATFORM_PORT") {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 11 | |         Ok(val) => val,
[INFO] [stderr] 12 | |         Err(e) => "6767".to_string(),
[INFO] [stderr] 13 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Err(e) => "6767".to_string(),
[INFO] [stderr]    |             ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "bb9627060a3daf70017e8ee00a9eacceb7ef7220534c738b442077b3372ccd2d"`
[INFO] running `"docker" "rm" "-f" "bb9627060a3daf70017e8ee00a9eacceb7ef7220534c738b442077b3372ccd2d"`
[INFO] [stdout] bb9627060a3daf70017e8ee00a9eacceb7ef7220534c738b442077b3372ccd2d