[INFO] crate libjwt 0.1.0 is already in cache
[INFO] extracting crate libjwt 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/libjwt/0.1.0
[INFO] extracting crate libjwt 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libjwt/0.1.0
[INFO] validating manifest of libjwt-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 libjwt-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 libjwt-0.1.0
[INFO] finished frobbing libjwt-0.1.0
[INFO] frobbed toml for libjwt-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/libjwt/0.1.0/Cargo.toml
[INFO] started frobbing libjwt-0.1.0
[INFO] finished frobbing libjwt-0.1.0
[INFO] frobbed toml for libjwt-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libjwt/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 libjwt-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-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/libjwt/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] f6f72ace42d051a218438a908cd8b668816329b2bdd4f6744778ce481a8b74e6
[INFO] running `"docker" "start" "-a" "f6f72ace42d051a218438a908cd8b668816329b2bdd4f6744778ce481a8b74e6"`
[INFO] [stderr]     Checking libjwt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/signature.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:58
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(missing_docs, unsafe_code, unused_extern_crates, warnings)]
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    = note: #[deny(clippy::let_unit_value)] implied by #[deny(warnings)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let _ = verifier.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let _ = verifier.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:116:50
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let parts: Vec<&'jwt str> = self.0.split(".").collect();
[INFO] [stderr]     |                                                  ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:13:58
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![deny(missing_docs, unsafe_code, unused_extern_crates, warnings)]
[INFO] [stderr]     |                                                          ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::single_char_pattern)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `libjwt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/signature.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:58
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(missing_docs, unsafe_code, unused_extern_crates, warnings)]
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    = note: #[deny(clippy::let_unit_value)] implied by #[deny(warnings)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let _ = verifier.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let _ = signer.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/signature.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let _ = verifier.update(data.as_bytes())?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:116:50
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let parts: Vec<&'jwt str> = self.0.split(".").collect();
[INFO] [stderr]     |                                                  ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:13:58
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![deny(missing_docs, unsafe_code, unused_extern_crates, warnings)]
[INFO] [stderr]     |                                                          ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::single_char_pattern)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `libjwt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f6f72ace42d051a218438a908cd8b668816329b2bdd4f6744778ce481a8b74e6"`
[INFO] running `"docker" "rm" "-f" "f6f72ace42d051a218438a908cd8b668816329b2bdd4f6744778ce481a8b74e6"`
[INFO] [stdout] f6f72ace42d051a218438a908cd8b668816329b2bdd4f6744778ce481a8b74e6