[INFO] updating cached repository n2kia4/rpwg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/n2kia4/rpwg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/n2kia4/rpwg" "work/ex/clippy-test-run/sources/stable/gh/n2kia4/rpwg"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/n2kia4/rpwg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n2kia4/rpwg" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/n2kia4/rpwg"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/n2kia4/rpwg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59d2d71bfcf44da6e7e1c966cd8085b6263ac244
[INFO] sha for GitHub repo n2kia4/rpwg: 59d2d71bfcf44da6e7e1c966cd8085b6263ac244
[INFO] validating manifest of n2kia4/rpwg 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 n2kia4/rpwg 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 n2kia4/rpwg
[INFO] finished frobbing n2kia4/rpwg
[INFO] frobbed toml for n2kia4/rpwg written to work/ex/clippy-test-run/sources/stable/gh/n2kia4/rpwg/Cargo.toml
[INFO] started frobbing n2kia4/rpwg
[INFO] finished frobbing n2kia4/rpwg
[INFO] frobbed toml for n2kia4/rpwg written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/n2kia4/rpwg/Cargo.toml
[INFO] crate n2kia4/rpwg 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 n2kia4/rpwg 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-7/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/gh/n2kia4/rpwg:/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] 686ae3483ab22b25cc7250172e24df911e8204022b371c1e4b94c0471eacbc84
[INFO] running `"docker" "start" "-a" "686ae3483ab22b25cc7250172e24df911e8204022b371c1e4b94c0471eacbc84"`
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking rpwg v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | const LOWERCASE: &'static [u8] = b"abcdefghijklmnopqrstuvwxyz";
[INFO] [stderr]   |                  -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 | const UPPERCASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stderr]    |                  -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DIGITS: &'static [u8] = b"0123456789";
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SYMBOL: &'static [u8] = b"!\"#$%&'()-=^~\\|@`[]{};:+*,./_<>?";
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     return vec;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `vec`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | const LOWERCASE: &'static [u8] = b"abcdefghijklmnopqrstuvwxyz";
[INFO] [stderr]   |                  -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 | const UPPERCASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stderr]    |                  -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DIGITS: &'static [u8] = b"0123456789";
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SYMBOL: &'static [u8] = b"!\"#$%&'()-=^~\\|@`[]{};:+*,./_<>?";
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     return vec;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `vec`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |           upper_c: match matches.is_present("U") {
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 61 | |             true => 0,
[INFO] [stderr] 62 | |             false => value_t!(matches, "upper_count", usize).unwrap(),
[INFO] [stderr] 63 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("U") { 0 } else { value_t!(matches, "upper_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |           digits_c: match matches.is_present("D") {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 65 | |             true => 0,
[INFO] [stderr] 66 | |             false => value_t!(matches, "digits_count", usize).unwrap(),
[INFO] [stderr] 67 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("D") { 0 } else { value_t!(matches, "digits_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |           symbol_c: match matches.is_present("S") {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 69 | |             true => 0,
[INFO] [stderr] 70 | |             false => value_t!(matches, "symbol_count", usize).unwrap(),
[INFO] [stderr] 71 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("S") { 0 } else { value_t!(matches, "symbol_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     vec.write(LOWERCASE).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/main.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     if args.upper == false {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.upper`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         vec.write(UPPERCASE).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/main.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     if args.digits == false {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.digits`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         vec.write(DIGITS).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/main.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     if args.symbol == false {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.symbol`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         vec.write(SYMBOL).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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rpwg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |           upper_c: match matches.is_present("U") {
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 61 | |             true => 0,
[INFO] [stderr] 62 | |             false => value_t!(matches, "upper_count", usize).unwrap(),
[INFO] [stderr] 63 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("U") { 0 } else { value_t!(matches, "upper_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |           digits_c: match matches.is_present("D") {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 65 | |             true => 0,
[INFO] [stderr] 66 | |             false => value_t!(matches, "digits_count", usize).unwrap(),
[INFO] [stderr] 67 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("D") { 0 } else { value_t!(matches, "digits_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |           symbol_c: match matches.is_present("S") {
[INFO] [stderr]    |  ___________________^
[INFO] [stderr] 69 | |             true => 0,
[INFO] [stderr] 70 | |             false => value_t!(matches, "symbol_count", usize).unwrap(),
[INFO] [stderr] 71 | |         },
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if matches.is_present("S") { 0 } else { value_t!(matches, "symbol_count", usize).unwrap() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     vec.write(LOWERCASE).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/main.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     if args.upper == false {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.upper`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         vec.write(UPPERCASE).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/main.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     if args.digits == false {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.digits`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         vec.write(DIGITS).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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/main.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     if args.symbol == false {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!args.symbol`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         vec.write(SYMBOL).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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rpwg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "686ae3483ab22b25cc7250172e24df911e8204022b371c1e4b94c0471eacbc84"`
[INFO] running `"docker" "rm" "-f" "686ae3483ab22b25cc7250172e24df911e8204022b371c1e4b94c0471eacbc84"`
[INFO] [stdout] 686ae3483ab22b25cc7250172e24df911e8204022b371c1e4b94c0471eacbc84