[INFO] updating cached repository Dracyr/rust_regnbr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dracyr/rust_regnbr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dracyr/rust_regnbr" "work/ex/clippy-test-run/sources/stable/gh/Dracyr/rust_regnbr"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Dracyr/rust_regnbr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dracyr/rust_regnbr" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dracyr/rust_regnbr"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dracyr/rust_regnbr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7693dc9f9c0913238bfdcb1fb50b79050c516c30
[INFO] sha for GitHub repo Dracyr/rust_regnbr: 7693dc9f9c0913238bfdcb1fb50b79050c516c30
[INFO] validating manifest of Dracyr/rust_regnbr 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 Dracyr/rust_regnbr 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 Dracyr/rust_regnbr
[INFO] finished frobbing Dracyr/rust_regnbr
[INFO] frobbed toml for Dracyr/rust_regnbr written to work/ex/clippy-test-run/sources/stable/gh/Dracyr/rust_regnbr/Cargo.toml
[INFO] started frobbing Dracyr/rust_regnbr
[INFO] finished frobbing Dracyr/rust_regnbr
[INFO] frobbed toml for Dracyr/rust_regnbr written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dracyr/rust_regnbr/Cargo.toml
[INFO] crate Dracyr/rust_regnbr 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 Dracyr/rust_regnbr against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Dracyr/rust_regnbr:/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] 83b4360157257e6e56eee414bc5442fac28ca77b1bd3ec4141ddee96a90d15b4
[INFO] running `"docker" "start" "-a" "83b4360157257e6e56eee414bc5442fac28ca77b1bd3ec4141ddee96a90d15b4"`
[INFO] [stderr]     Checking rust_regnbr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |       } else {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 28 | |         if find_duplicate(arg1) { println!("Dubbletter") } else { println!("Ej dubblett") };
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^ help: try: `if find_duplicate(arg1) { println!("Dubbletter") } else { println!("Ej dubblett") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return false;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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] error: this `if` has identical blocks
[INFO] [stderr]   --> src/main.rs:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |       } else if arg1 == "Rgn01.txt" {
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 24 | |         println!("Dubbletter");
[INFO] [stderr] 25 | |     } else if arg1 == "Rgn02.txt" {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/main.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 |       } else if arg1 == "Rgn00.txt" {
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 22 | |         println!("Dubbletter");
[INFO] [stderr] 23 | |     } else if arg1 == "Rgn01.txt" {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust_regnbr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |       } else {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 28 | |         if find_duplicate(arg1) { println!("Dubbletter") } else { println!("Ej dubblett") };
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^ help: try: `if find_duplicate(arg1) { println!("Dubbletter") } else { println!("Ej dubblett") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return false;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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] error: this `if` has identical blocks
[INFO] [stderr]   --> src/main.rs:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |       } else if arg1 == "Rgn01.txt" {
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 24 | |         println!("Dubbletter");
[INFO] [stderr] 25 | |     } else if arg1 == "Rgn02.txt" {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/main.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 |       } else if arg1 == "Rgn00.txt" {
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 22 | |         println!("Dubbletter");
[INFO] [stderr] 23 | |     } else if arg1 == "Rgn01.txt" {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust_regnbr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "83b4360157257e6e56eee414bc5442fac28ca77b1bd3ec4141ddee96a90d15b4"`
[INFO] running `"docker" "rm" "-f" "83b4360157257e6e56eee414bc5442fac28ca77b1bd3ec4141ddee96a90d15b4"`
[INFO] [stdout] 83b4360157257e6e56eee414bc5442fac28ca77b1bd3ec4141ddee96a90d15b4