Nov 01 08:40:47.625 INFO checking andygrove/octasonic-rs against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 08:40:47.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 08:40:48.028 INFO blam! fc01198b09994617e91bb2325bac28c54fcdc7034f484bd385c0066ac5b85359
Nov 01 08:40:48.034 INFO running `"docker" "start" "-a" "fc01198b09994617e91bb2325bac28c54fcdc7034f484bd385c0066ac5b85359"`
Nov 01 08:40:49.579 INFO kablam! usermod: no changes
Nov 01 08:40:49.744 INFO kablam!    Compiling nix v0.6.0
Nov 01 08:40:49.744 INFO kablam!     Checking spidev v0.2.1
Nov 01 08:40:55.312 INFO kablam!     Checking sysfs_gpio v0.4.4
Nov 01 08:40:56.305 INFO kablam!     Checking octasonic v0.1.0 (/source)
Nov 01 08:40:58.192 INFO kablam! warning: unused import: `std::thread::sleep`
Nov 01 08:40:58.193 INFO kablam!  --> examples/piano.rs:4:5
Nov 01 08:40:58.193 INFO kablam!   |
Nov 01 08:40:58.193 INFO kablam! 4 | use std::thread::sleep;
Nov 01 08:40:58.194 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 08:40:58.194 INFO kablam!   |
Nov 01 08:40:58.194 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 08:40:58.195 INFO kablam! 
Nov 01 08:40:58.195 INFO kablam! warning: unused import: `std::time::Duration`
Nov 01 08:40:58.195 INFO kablam!  --> examples/piano.rs:5:5
Nov 01 08:40:58.196 INFO kablam!   |
Nov 01 08:40:58.196 INFO kablam! 5 | use std::time::Duration;
Nov 01 08:40:58.196 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Nov 01 08:40:58.196 INFO kablam! 
Nov 01 08:40:58.541 INFO kablam! warning: unused import: `std::thread::sleep`
Nov 01 08:40:58.541 INFO kablam!  --> examples/theramin.rs:4:5
Nov 01 08:40:58.541 INFO kablam!   |
Nov 01 08:40:58.541 INFO kablam! 4 | use std::thread::sleep;
Nov 01 08:40:58.541 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 08:40:58.542 INFO kablam!   |
Nov 01 08:40:58.542 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 08:40:58.542 INFO kablam! 
Nov 01 08:40:58.542 INFO kablam! warning: unused import: `std::time::Duration`
Nov 01 08:40:58.542 INFO kablam!  --> examples/theramin.rs:5:5
Nov 01 08:40:58.542 INFO kablam!   |
Nov 01 08:40:58.542 INFO kablam! 5 | use std::time::Duration;
Nov 01 08:40:58.542 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Nov 01 08:40:58.542 INFO kablam! 
Nov 01 08:40:58.614 INFO kablam! warning: field is never used: `playing`
Nov 01 08:40:58.614 INFO kablam!  --> examples/theramin.rs:8:3
Nov 01 08:40:58.614 INFO kablam!   |
Nov 01 08:40:58.614 INFO kablam! 8 |   playing: bool,
Nov 01 08:40:58.614 INFO kablam!   |   ^^^^^^^^^^^^^
Nov 01 08:40:58.614 INFO kablam!   |
Nov 01 08:40:58.614 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 08:40:58.614 INFO kablam! 
Nov 01 08:40:58.614 INFO kablam! warning: field is never used: `counter`
Nov 01 08:40:58.614 INFO kablam!  --> examples/theramin.rs:9:3
Nov 01 08:40:58.614 INFO kablam!   |
Nov 01 08:40:58.614 INFO kablam! 9 |   counter: u8
Nov 01 08:40:58.614 INFO kablam!   |   ^^^^^^^^^^^
Nov 01 08:40:58.614 INFO kablam! 
Nov 01 08:40:58.661 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
Nov 01 08:40:58.667 INFO kablam! su: No module specific data is present
Nov 01 08:40:59.045 INFO running `"docker" "rm" "-f" "fc01198b09994617e91bb2325bac28c54fcdc7034f484bd385c0066ac5b85359"`
Nov 01 08:40:59.380 INFO blam! fc01198b09994617e91bb2325bac28c54fcdc7034f484bd385c0066ac5b85359