[INFO] crate screenshot-rs 0.1.2 is already in cache
[INFO] extracting crate screenshot-rs 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/screenshot-rs/0.1.2
[INFO] extracting crate screenshot-rs 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/screenshot-rs/0.1.2
[INFO] validating manifest of screenshot-rs-0.1.2 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 screenshot-rs-0.1.2 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 screenshot-rs-0.1.2
[INFO] finished frobbing screenshot-rs-0.1.2
[INFO] frobbed toml for screenshot-rs-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/screenshot-rs/0.1.2/Cargo.toml
[INFO] started frobbing screenshot-rs-0.1.2
[INFO] finished frobbing screenshot-rs-0.1.2
[INFO] frobbed toml for screenshot-rs-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/screenshot-rs/0.1.2/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 screenshot-rs-0.1.2 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/screenshot-rs/0.1.2:/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 -Dclippy::into_iter_on_array" "-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] 9d59c0b78c46d89dbef29571379a7ee43c6bc3220d876e8c02702513aec96800
[INFO] running `"docker" "start" "-a" "9d59c0b78c46d89dbef29571379a7ee43c6bc3220d876e8c02702513aec96800"`
[INFO] [stderr]     Checking screenshot-rs v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     return match env::var("XDG_SESSION_TYPE") {
[INFO] [stderr] 28 | |         Ok(ok) => match ok.to_lowercase().as_ref() {
[INFO] [stderr] 29 | |             "wayland" => SessionKind::Wayland,
[INFO] [stderr] 30 | |             _ => SessionKind::X11,
[INFO] [stderr] 31 | |         },
[INFO] [stderr] 32 | |         Err(_) => SessionKind::X11,
[INFO] [stderr] 33 | |     };
[INFO] [stderr]    | |______^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 27 |     match env::var("XDG_SESSION_TYPE") {
[INFO] [stderr] 28 |         Ok(ok) => match ok.to_lowercase().as_ref() {
[INFO] [stderr] 29 |             "wayland" => SessionKind::Wayland,
[INFO] [stderr] 30 |             _ => SessionKind::X11,
[INFO] [stderr] 31 |         },
[INFO] [stderr] 32 |         Err(_) => SessionKind::X11,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | /     return match session {
[INFO] [stderr] 38 | |         SessionKind::Wayland => match Command::new("gnome-screenshot").arg("--version").spawn() {
[INFO] [stderr] 39 | |             Ok(_) => DesktopKind::GNOME,
[INFO] [stderr] 40 | |             Err(_) => match Command::new("spectacle").arg("--version").spawn() {
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |         },
[INFO] [stderr] 55 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 37 |     match session {
[INFO] [stderr] 38 |         SessionKind::Wayland => match Command::new("gnome-screenshot").arg("--version").spawn() {
[INFO] [stderr] 39 |             Ok(_) => DesktopKind::GNOME,
[INFO] [stderr] 40 |             Err(_) => match Command::new("spectacle").arg("--version").spawn() {
[INFO] [stderr] 41 |                 Ok(_) => DesktopKind::KDE,
[INFO] [stderr] 42 |                 Err(_) => panic!("Uncompatible Wayland desktop"),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     return match env::var("XDG_SESSION_TYPE") {
[INFO] [stderr] 28 | |         Ok(ok) => match ok.to_lowercase().as_ref() {
[INFO] [stderr] 29 | |             "wayland" => SessionKind::Wayland,
[INFO] [stderr] 30 | |             _ => SessionKind::X11,
[INFO] [stderr] 31 | |         },
[INFO] [stderr] 32 | |         Err(_) => SessionKind::X11,
[INFO] [stderr] 33 | |     };
[INFO] [stderr]    | |______^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 27 |     match env::var("XDG_SESSION_TYPE") {
[INFO] [stderr] 28 |         Ok(ok) => match ok.to_lowercase().as_ref() {
[INFO] [stderr] 29 |             "wayland" => SessionKind::Wayland,
[INFO] [stderr] 30 |             _ => SessionKind::X11,
[INFO] [stderr] 31 |         },
[INFO] [stderr] 32 |         Err(_) => SessionKind::X11,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | /     return match session {
[INFO] [stderr] 38 | |         SessionKind::Wayland => match Command::new("gnome-screenshot").arg("--version").spawn() {
[INFO] [stderr] 39 | |             Ok(_) => DesktopKind::GNOME,
[INFO] [stderr] 40 | |             Err(_) => match Command::new("spectacle").arg("--version").spawn() {
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |         },
[INFO] [stderr] 55 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 37 |     match session {
[INFO] [stderr] 38 |         SessionKind::Wayland => match Command::new("gnome-screenshot").arg("--version").spawn() {
[INFO] [stderr] 39 |             Ok(_) => DesktopKind::GNOME,
[INFO] [stderr] 40 |             Err(_) => match Command::new("spectacle").arg("--version").spawn() {
[INFO] [stderr] 41 |                 Ok(_) => DesktopKind::KDE,
[INFO] [stderr] 42 |                 Err(_) => panic!("Uncompatible Wayland desktop"),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/lib.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 Err(_) => panic!("Uncompatible Wayland desktop"),
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/lib.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     Err(_) => panic!("Uncompatible X11 desktop (install scrot)"),
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/lib.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 Err(_) => panic!("Uncompatible Wayland desktop"),
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/lib.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     Err(_) => panic!("Uncompatible X11 desktop (install scrot)"),
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9d59c0b78c46d89dbef29571379a7ee43c6bc3220d876e8c02702513aec96800"`
[INFO] running `"docker" "rm" "-f" "9d59c0b78c46d89dbef29571379a7ee43c6bc3220d876e8c02702513aec96800"`
[INFO] [stdout] 9d59c0b78c46d89dbef29571379a7ee43c6bc3220d876e8c02702513aec96800