[INFO] crate number_or_string 0.2.0 is already in cache
[INFO] extracting crate number_or_string 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/number_or_string/0.2.0
[INFO] extracting crate number_or_string 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/number_or_string/0.2.0
[INFO] validating manifest of number_or_string-0.2.0 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 number_or_string-0.2.0 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 number_or_string-0.2.0
[INFO] finished frobbing number_or_string-0.2.0
[INFO] frobbed toml for number_or_string-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/number_or_string/0.2.0/Cargo.toml
[INFO] started frobbing number_or_string-0.2.0
[INFO] finished frobbing number_or_string-0.2.0
[INFO] frobbed toml for number_or_string-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/number_or_string/0.2.0/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 number_or_string-0.2.0 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/number_or_string/0.2.0:/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] fee2628fe8f56987ec389515d773a6bf94e5e64efd1de0490b2306e2960df927
[INFO] running `"docker" "start" "-a" "fee2628fe8f56987ec389515d773a6bf94e5e64efd1de0490b2306e2960df927"`
[INFO] [stderr]     Checking number_or_string v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     Ok(NumberOrString::Number(value as u64))
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: try: `u64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 | /         match self {
[INFO] [stderr] 51 | |             &NumberOrString::Number(value) => serializer.serialize_u64(value),
[INFO] [stderr] 52 | |             &NumberOrString::String(ref value) => serializer.serialize_str(value),
[INFO] [stderr] 53 | |         }
[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] 50 |         match *self {
[INFO] [stderr] 51 |             NumberOrString::Number(value) => serializer.serialize_u64(value),
[INFO] [stderr] 52 |             NumberOrString::String(ref value) => serializer.serialize_str(value),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     Ok(NumberOrString::Number(value as u64))
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: try: `u64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 | /         match self {
[INFO] [stderr] 51 | |             &NumberOrString::Number(value) => serializer.serialize_u64(value),
[INFO] [stderr] 52 | |             &NumberOrString::String(ref value) => serializer.serialize_str(value),
[INFO] [stderr] 53 | |         }
[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] 50 |         match *self {
[INFO] [stderr] 51 |             NumberOrString::Number(value) => serializer.serialize_u64(value),
[INFO] [stderr] 52 |             NumberOrString::String(ref value) => serializer.serialize_str(value),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "fee2628fe8f56987ec389515d773a6bf94e5e64efd1de0490b2306e2960df927"`
[INFO] running `"docker" "rm" "-f" "fee2628fe8f56987ec389515d773a6bf94e5e64efd1de0490b2306e2960df927"`
[INFO] [stdout] fee2628fe8f56987ec389515d773a6bf94e5e64efd1de0490b2306e2960df927