[INFO] crate histogram 0.6.9 is already in cache
[INFO] extracting crate histogram 0.6.9 into work/ex/clippy-test-run/sources/stable/reg/histogram/0.6.9
[INFO] extracting crate histogram 0.6.9 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/histogram/0.6.9
[INFO] validating manifest of histogram-0.6.9 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 histogram-0.6.9 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 histogram-0.6.9
[INFO] finished frobbing histogram-0.6.9
[INFO] frobbed toml for histogram-0.6.9 written to work/ex/clippy-test-run/sources/stable/reg/histogram/0.6.9/Cargo.toml
[INFO] started frobbing histogram-0.6.9
[INFO] finished frobbing histogram-0.6.9
[INFO] frobbed toml for histogram-0.6.9 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/histogram/0.6.9/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 histogram-0.6.9 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/histogram/0.6.9:/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] 228e7c8194de661d3fe6d390dd5e591cca80cf51dc1fd4f7554d2b232755f1b2
[INFO] running `"docker" "start" "-a" "228e7c8194de661d3fe6d390dd5e591cca80cf51dc1fd4f7554d2b232755f1b2"`
[INFO] [stderr]     Checking histogram v0.6.9 (/opt/crater/workdir)
[INFO] [stderr] error: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:870:22
[INFO] [stderr]     |
[INFO] [stderr] 870 |         for op in 1..1000000 {
[INFO] [stderr]     |                      ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:58:44
[INFO] [stderr]     |
[INFO] [stderr] 58  | #![cfg_attr(feature = "cargo-clippy", deny(warnings))]
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::unreadable_literal)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] error: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:895:17
[INFO] [stderr]     |
[INFO] [stderr] 895 |         let m = 1000000;
[INFO] [stderr]     |                 ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `histogram`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "228e7c8194de661d3fe6d390dd5e591cca80cf51dc1fd4f7554d2b232755f1b2"`
[INFO] running `"docker" "rm" "-f" "228e7c8194de661d3fe6d390dd5e591cca80cf51dc1fd4f7554d2b232755f1b2"`
[INFO] [stdout] 228e7c8194de661d3fe6d390dd5e591cca80cf51dc1fd4f7554d2b232755f1b2