[INFO] crate arguments 0.6.2 is already in cache
[INFO] extracting crate arguments 0.6.2 into work/ex/clippy-test-run/sources/stable/reg/arguments/0.6.2
[INFO] extracting crate arguments 0.6.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/arguments/0.6.2
[INFO] validating manifest of arguments-0.6.2 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 arguments-0.6.2 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 arguments-0.6.2
[INFO] finished frobbing arguments-0.6.2
[INFO] frobbed toml for arguments-0.6.2 written to work/ex/clippy-test-run/sources/stable/reg/arguments/0.6.2/Cargo.toml
[INFO] started frobbing arguments-0.6.2
[INFO] finished frobbing arguments-0.6.2
[INFO] frobbed toml for arguments-0.6.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/arguments/0.6.2/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 arguments-0.6.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/arguments/0.6.2:/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" "-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] 56319dfdedd3bbe6b0bb8eaeedd3117c623badf602fd7dadeb80354999d5906e
[INFO] running `"docker" "start" "-a" "56319dfdedd3bbe6b0bb8eaeedd3117c623badf602fd7dadeb80354999d5906e"`
[INFO] [stderr]     Checking options v0.5.1
[INFO] [stderr]     Checking arguments v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `parser::Parser`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn new() -> Parser {
[INFO] [stderr] 12 | |         Parser { _private: () }
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 arguments.options.set(&name, String::from(chunk));
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `chunk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `parser::Parser`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn new() -> Parser {
[INFO] [stderr] 12 | |         Parser { _private: () }
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 arguments.options.set(&name, String::from(chunk));
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `chunk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 | /         match Parser::new().parse(strings!(arguments)) {
[INFO] [stderr] 76 | |             Ok(_) => unreachable!(),
[INFO] [stderr] 77 | |             Err(_) => {},
[INFO] [stderr] 78 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Ok(_) = Parser::new().parse(strings!(arguments)) { unreachable!() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "56319dfdedd3bbe6b0bb8eaeedd3117c623badf602fd7dadeb80354999d5906e"`
[INFO] running `"docker" "rm" "-f" "56319dfdedd3bbe6b0bb8eaeedd3117c623badf602fd7dadeb80354999d5906e"`
[INFO] [stdout] 56319dfdedd3bbe6b0bb8eaeedd3117c623badf602fd7dadeb80354999d5906e