Sep 10 13:39:20.182 INFO checking octasonic-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:39:20.182 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:39:20.182 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:39:20.335 INFO blam! 0ecef38b850de5ee961c7aae05c429ebc669b05933237ed09bff1c770694d578
Sep 10 13:39:20.337 INFO running `"docker" "start" "-a" "0ecef38b850de5ee961c7aae05c429ebc669b05933237ed09bff1c770694d578"`
Sep 10 13:39:21.055 INFO kablam! usermod: no changes
Sep 10 13:39:21.192 INFO kablam!    Compiling nix v0.6.0
Sep 10 13:39:21.192 INFO kablam!     Checking spidev v0.2.1
Sep 10 13:39:25.649 INFO kablam!     Checking sysfs_gpio v0.4.4
Sep 10 13:39:26.314 INFO kablam!     Checking octasonic v0.1.0 (file:///source)
Sep 10 13:39:27.643 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 10 13:39:27.643 INFO kablam!  --> examples/piano.rs:4:5
Sep 10 13:39:27.643 INFO kablam!   |
Sep 10 13:39:27.643 INFO kablam! 4 | use std::thread::sleep;
Sep 10 13:39:27.643 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 10 13:39:27.643 INFO kablam!   |
Sep 10 13:39:27.643 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 13:39:27.643 INFO kablam! 
Sep 10 13:39:27.643 INFO kablam! warning: unused import: `std::time::Duration`
Sep 10 13:39:27.643 INFO kablam!  --> examples/piano.rs:5:5
Sep 10 13:39:27.643 INFO kablam!   |
Sep 10 13:39:27.643 INFO kablam! 5 | use std::time::Duration;
Sep 10 13:39:27.643 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 10 13:39:27.643 INFO kablam! 
Sep 10 13:39:27.826 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 10 13:39:27.826 INFO kablam!  --> examples/theramin.rs:4:5
Sep 10 13:39:27.826 INFO kablam!   |
Sep 10 13:39:27.826 INFO kablam! 4 | use std::thread::sleep;
Sep 10 13:39:27.826 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 10 13:39:27.826 INFO kablam!   |
Sep 10 13:39:27.826 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 13:39:27.826 INFO kablam! 
Sep 10 13:39:27.826 INFO kablam! warning: unused import: `std::time::Duration`
Sep 10 13:39:27.826 INFO kablam!  --> examples/theramin.rs:5:5
Sep 10 13:39:27.826 INFO kablam!   |
Sep 10 13:39:27.826 INFO kablam! 5 | use std::time::Duration;
Sep 10 13:39:27.826 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 10 13:39:27.826 INFO kablam! 
Sep 10 13:39:27.903 INFO kablam! warning: field is never used: `playing`
Sep 10 13:39:27.903 INFO kablam!  --> examples/theramin.rs:8:3
Sep 10 13:39:27.903 INFO kablam!   |
Sep 10 13:39:27.903 INFO kablam! 8 |   playing: bool,
Sep 10 13:39:27.903 INFO kablam!   |   ^^^^^^^^^^^^^
Sep 10 13:39:27.903 INFO kablam!   |
Sep 10 13:39:27.903 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 10 13:39:27.903 INFO kablam! 
Sep 10 13:39:27.903 INFO kablam! warning: field is never used: `counter`
Sep 10 13:39:27.903 INFO kablam!  --> examples/theramin.rs:9:3
Sep 10 13:39:27.903 INFO kablam!   |
Sep 10 13:39:27.903 INFO kablam! 9 |   counter: u8
Sep 10 13:39:27.903 INFO kablam!   |   ^^^^^^^^^^^
Sep 10 13:39:27.903 INFO kablam! 
Sep 10 13:39:27.958 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
Sep 10 13:39:27.968 INFO kablam! su: No module specific data is present
Sep 10 13:39:28.810 INFO running `"docker" "rm" "-f" "0ecef38b850de5ee961c7aae05c429ebc669b05933237ed09bff1c770694d578"`
Sep 10 13:39:28.927 INFO blam! 0ecef38b850de5ee961c7aae05c429ebc669b05933237ed09bff1c770694d578