[INFO] crate beep 0.2.1 is already in cache
[INFO] extracting crate beep 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/beep/0.2.1
[INFO] extracting crate beep 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/beep/0.2.1
[INFO] validating manifest of beep-0.2.1 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 beep-0.2.1 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 beep-0.2.1
[INFO] finished frobbing beep-0.2.1
[INFO] frobbed toml for beep-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/beep/0.2.1/Cargo.toml
[INFO] started frobbing beep-0.2.1
[INFO] finished frobbing beep-0.2.1
[INFO] frobbed toml for beep-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/beep/0.2.1/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 beep-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/beep/0.2.1:/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] 4532fac3892d99cd058bf2ece98a953fe64039e84d6c46a23e145ee936211aad
[INFO] running `"docker" "start" "-a" "4532fac3892d99cd058bf2ece98a953fe64039e84d6c46a23e145ee936211aad"`
[INFO] [stderr]     Checking beep v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | const TIMER_FREQUENCY : u32 = 1193180;
[INFO] [stderr]    |                               ^^^^^^^ help: consider: `1_193_180`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | const TIMER_FREQUENCY : u32 = 1193180;
[INFO] [stderr]    |                               ^^^^^^^ help: consider: `1_193_180`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `F`
[INFO] [stderr]   --> examples/song.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let F = Hertz::new(2673.0f64);
[INFO] [stderr]    |       ^ help: consider using `_F` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name such as `c`
[INFO] [stderr]   --> examples/song.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |   let C = Hertz::new(2093.0f64);
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name such as `d`
[INFO] [stderr]   --> examples/song.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |   let D = Hertz::new(2349.0f64);
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name such as `e`
[INFO] [stderr]   --> examples/song.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let E = Hertz::new(2673.0f64);
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name such as `f`
[INFO] [stderr]   --> examples/song.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let F = Hertz::new(2673.0f64);
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name such as `g`
[INFO] [stderr]   --> examples/song.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |   let G = Hertz::new(3136.0f64);
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "4532fac3892d99cd058bf2ece98a953fe64039e84d6c46a23e145ee936211aad"`
[INFO] running `"docker" "rm" "-f" "4532fac3892d99cd058bf2ece98a953fe64039e84d6c46a23e145ee936211aad"`
[INFO] [stdout] 4532fac3892d99cd058bf2ece98a953fe64039e84d6c46a23e145ee936211aad