[INFO] crate strum 0.12.0 is already in cache
[INFO] extracting crate strum 0.12.0 into work/ex/clippy-test-run/sources/stable/reg/strum/0.12.0
[INFO] extracting crate strum 0.12.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/strum/0.12.0
[INFO] validating manifest of strum-0.12.0 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 strum-0.12.0 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 strum-0.12.0
[INFO] finished frobbing strum-0.12.0
[INFO] frobbed toml for strum-0.12.0 written to work/ex/clippy-test-run/sources/stable/reg/strum/0.12.0/Cargo.toml
[INFO] started frobbing strum-0.12.0
[INFO] finished frobbing strum-0.12.0
[INFO] frobbed toml for strum-0.12.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/strum/0.12.0/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 strum-0.12.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/strum/0.12.0:/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] 501b83312da4ff0b5d50c4a08ce60aba34fbadcd8d183ceeeb49ca0ab3187604
[INFO] running `"docker" "start" "-a" "501b83312da4ff0b5d50c4a08ce60aba34fbadcd8d183ceeeb49ca0ab3187604"`
[INFO] [stderr]     Checking strum v0.12.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 | /         match self {
[INFO] [stderr] 561 | |             &ParseError::VariantNotFound => write!(f, "Matching variant not found"),
[INFO] [stderr] 562 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 560 |         match *self {
[INFO] [stderr] 561 |             ParseError::VariantNotFound => write!(f, "Matching variant not found"),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:568:9
[INFO] [stderr]     |
[INFO] [stderr] 568 | /         match self {
[INFO] [stderr] 569 | |             &ParseError::VariantNotFound => {
[INFO] [stderr] 570 | |                 "Unable to find a variant of the given enum matching the string given. Matching \
[INFO] [stderr] 571 | |                  can be extended with the Serialize attribute and is case sensitive."
[INFO] [stderr] 572 | |             }
[INFO] [stderr] 573 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 568 |         match *self {
[INFO] [stderr] 569 |             ParseError::VariantNotFound => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]    Compiling strum_macros v0.12.0
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 | /         match self {
[INFO] [stderr] 561 | |             &ParseError::VariantNotFound => write!(f, "Matching variant not found"),
[INFO] [stderr] 562 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 560 |         match *self {
[INFO] [stderr] 561 |             ParseError::VariantNotFound => write!(f, "Matching variant not found"),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:568:9
[INFO] [stderr]     |
[INFO] [stderr] 568 | /         match self {
[INFO] [stderr] 569 | |             &ParseError::VariantNotFound => {
[INFO] [stderr] 570 | |                 "Unable to find a variant of the given enum matching the string given. Matching \
[INFO] [stderr] 571 | |                  can be extended with the Serialize attribute and is case sensitive."
[INFO] [stderr] 572 | |             }
[INFO] [stderr] 573 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 568 |         match *self {
[INFO] [stderr] 569 |             ParseError::VariantNotFound => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `"docker" "inspect" "501b83312da4ff0b5d50c4a08ce60aba34fbadcd8d183ceeeb49ca0ab3187604"`
[INFO] running `"docker" "rm" "-f" "501b83312da4ff0b5d50c4a08ce60aba34fbadcd8d183ceeeb49ca0ab3187604"`
[INFO] [stdout] 501b83312da4ff0b5d50c4a08ce60aba34fbadcd8d183ceeeb49ca0ab3187604