Dec 01 01:36:06.240 INFO checking beep-0.2.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 01:36:06.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 01:36:06.698 INFO [stdout] e1afb9c618b6e38d637325de79c2467968c90423a1ff39e5de14d24dfe5e8a62
Dec 01 01:36:06.699 INFO running `"docker" "start" "-a" "e1afb9c618b6e38d637325de79c2467968c90423a1ff39e5de14d24dfe5e8a62"`
Dec 01 01:36:08.380 INFO [stderr] usermod: no changes
Dec 01 01:36:08.471 INFO [stderr]     Checking beep v0.2.1 (/source)
Dec 01 01:36:10.852 INFO [stderr] warning: unused variable: `F`
Dec 01 01:36:10.852 INFO [stderr]   --> examples/song.rs:13:7
Dec 01 01:36:10.852 INFO [stderr]    |
Dec 01 01:36:10.852 INFO [stderr] 13 |   let F = Hertz::new(2673.0f64);
Dec 01 01:36:10.852 INFO [stderr]    |       ^ help: consider using `_F` instead
Dec 01 01:36:10.852 INFO [stderr]    |
Dec 01 01:36:10.852 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 01:36:10.852 INFO [stderr] 
Dec 01 01:36:10.856 INFO [stderr] warning: variable `C` should have a snake case name such as `c`
Dec 01 01:36:10.856 INFO [stderr]   --> examples/song.rs:10:7
Dec 01 01:36:10.856 INFO [stderr]    |
Dec 01 01:36:10.856 INFO [stderr] 10 |   let C = Hertz::new(2093.0f64);
Dec 01 01:36:10.856 INFO [stderr]    |       ^
Dec 01 01:36:10.856 INFO [stderr]    |
Dec 01 01:36:10.856 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 01 01:36:10.856 INFO [stderr] 
Dec 01 01:36:10.856 INFO [stderr] warning: variable `D` should have a snake case name such as `d`
Dec 01 01:36:10.856 INFO [stderr]   --> examples/song.rs:11:7
Dec 01 01:36:10.856 INFO [stderr]    |
Dec 01 01:36:10.856 INFO [stderr] 11 |   let D = Hertz::new(2349.0f64);
Dec 01 01:36:10.856 INFO [stderr]    |       ^
Dec 01 01:36:10.856 INFO [stderr] 
Dec 01 01:36:10.856 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 01 01:36:10.856 INFO [stderr]   --> examples/song.rs:12:7
Dec 01 01:36:10.856 INFO [stderr]    |
Dec 01 01:36:10.856 INFO [stderr] 12 |   let E = Hertz::new(2673.0f64);
Dec 01 01:36:10.856 INFO [stderr]    |       ^
Dec 01 01:36:10.856 INFO [stderr] 
Dec 01 01:36:10.857 INFO [stderr] warning: variable `F` should have a snake case name such as `f`
Dec 01 01:36:10.857 INFO [stderr]   --> examples/song.rs:13:7
Dec 01 01:36:10.857 INFO [stderr]    |
Dec 01 01:36:10.857 INFO [stderr] 13 |   let F = Hertz::new(2673.0f64);
Dec 01 01:36:10.857 INFO [stderr]    |       ^
Dec 01 01:36:10.857 INFO [stderr] 
Dec 01 01:36:10.857 INFO [stderr] warning: variable `G` should have a snake case name such as `g`
Dec 01 01:36:10.857 INFO [stderr]   --> examples/song.rs:14:7
Dec 01 01:36:10.857 INFO [stderr]    |
Dec 01 01:36:10.857 INFO [stderr] 14 |   let G = Hertz::new(3136.0f64);
Dec 01 01:36:10.857 INFO [stderr]    |       ^
Dec 01 01:36:10.857 INFO [stderr] 
Dec 01 01:36:10.878 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Dec 01 01:36:10.884 INFO [stderr] su: No module specific data is present
Dec 01 01:36:11.740 INFO running `"docker" "inspect" "e1afb9c618b6e38d637325de79c2467968c90423a1ff39e5de14d24dfe5e8a62"`
Dec 01 01:36:12.044 INFO running `"docker" "rm" "-f" "e1afb9c618b6e38d637325de79c2467968c90423a1ff39e5de14d24dfe5e8a62"`
Dec 01 01:36:12.395 INFO [stdout] e1afb9c618b6e38d637325de79c2467968c90423a1ff39e5de14d24dfe5e8a62