Dec 05 16:17:36.015 INFO checking beep-0.2.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:17:36.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 16:17:36.332 INFO [stdout] f5b5007a07906449c0d5c6363b7c1ffe144748a94c85d6cce244c68ad7c5c966
Dec 05 16:17:36.337 INFO running `"docker" "start" "-a" "f5b5007a07906449c0d5c6363b7c1ffe144748a94c85d6cce244c68ad7c5c966"`
Dec 05 16:17:38.175 INFO [stderr] usermod: no changes
Dec 05 16:17:38.303 INFO [stderr]    Compiling dimensioned v0.6.0
Dec 05 16:17:47.744 INFO [stderr]     Checking beep v0.2.1 (/source)
Dec 05 16:17:49.763 INFO [stderr] warning: unused variable: `F`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:13:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 13 |   let F = Hertz::new(2673.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^ help: consider using `_F` instead
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.763 INFO [stderr] warning: variable `C` should have a snake case name such as `c`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:10:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 10 |   let C = Hertz::new(2093.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.763 INFO [stderr] warning: variable `D` should have a snake case name such as `d`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:11:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 11 |   let D = Hertz::new(2349.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.763 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:12:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 12 |   let E = Hertz::new(2673.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.763 INFO [stderr] warning: variable `F` should have a snake case name such as `f`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:13:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 13 |   let F = Hertz::new(2673.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.763 INFO [stderr] warning: variable `G` should have a snake case name such as `g`
Dec 05 16:17:49.763 INFO [stderr]   --> examples/song.rs:14:7
Dec 05 16:17:49.763 INFO [stderr]    |
Dec 05 16:17:49.763 INFO [stderr] 14 |   let G = Hertz::new(3136.0f64);
Dec 05 16:17:49.763 INFO [stderr]    |       ^
Dec 05 16:17:49.763 INFO [stderr] 
Dec 05 16:17:49.772 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
Dec 05 16:17:49.775 INFO [stderr] su: No module specific data is present
Dec 05 16:17:50.089 INFO running `"docker" "inspect" "f5b5007a07906449c0d5c6363b7c1ffe144748a94c85d6cce244c68ad7c5c966"`
Dec 05 16:17:50.331 INFO running `"docker" "rm" "-f" "f5b5007a07906449c0d5c6363b7c1ffe144748a94c85d6cce244c68ad7c5c966"`
Dec 05 16:17:50.727 INFO [stdout] f5b5007a07906449c0d5c6363b7c1ffe144748a94c85d6cce244c68ad7c5c966