Sep 17 20:34:35.889 INFO checking octasonic-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:34:35.889 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:34:35.889 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:34:36.064 INFO blam! b38f8403c7108c70f12c6581b4168f02cba263577bfa173d75492fb538ad58e0
Sep 17 20:34:36.065 INFO running `"docker" "start" "-a" "b38f8403c7108c70f12c6581b4168f02cba263577bfa173d75492fb538ad58e0"`
Sep 17 20:34:37.211 INFO kablam! usermod: no changes
Sep 17 20:34:37.347 INFO kablam!     Checking spidev v0.2.1
Sep 17 20:34:37.351 INFO kablam!     Checking sysfs_gpio v0.4.4
Sep 17 20:34:38.279 INFO kablam!     Checking octasonic v0.1.0 (/source)
Sep 17 20:34:39.243 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 17 20:34:39.243 INFO kablam!  --> examples/theramin.rs:4:5
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam! 4 | use std::thread::sleep;
Sep 17 20:34:39.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:34:39.243 INFO kablam! 
Sep 17 20:34:39.243 INFO kablam! warning: unused import: `std::time::Duration`
Sep 17 20:34:39.243 INFO kablam!  --> examples/theramin.rs:5:5
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam! 5 | use std::time::Duration;
Sep 17 20:34:39.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.243 INFO kablam! 
Sep 17 20:34:39.243 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 17 20:34:39.243 INFO kablam!  --> examples/piano.rs:4:5
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam! 4 | use std::thread::sleep;
Sep 17 20:34:39.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:34:39.243 INFO kablam! 
Sep 17 20:34:39.243 INFO kablam! warning: unused import: `std::time::Duration`
Sep 17 20:34:39.243 INFO kablam!  --> examples/piano.rs:5:5
Sep 17 20:34:39.243 INFO kablam!   |
Sep 17 20:34:39.243 INFO kablam! 5 | use std::time::Duration;
Sep 17 20:34:39.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.243 INFO kablam! 
Sep 17 20:34:39.351 INFO kablam! warning: field is never used: `playing`
Sep 17 20:34:39.351 INFO kablam!  --> examples/theramin.rs:8:3
Sep 17 20:34:39.351 INFO kablam!   |
Sep 17 20:34:39.351 INFO kablam! 8 |   playing: bool,
Sep 17 20:34:39.351 INFO kablam!   |   ^^^^^^^^^^^^^
Sep 17 20:34:39.351 INFO kablam!   |
Sep 17 20:34:39.351 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 20:34:39.351 INFO kablam! 
Sep 17 20:34:39.351 INFO kablam! warning: field is never used: `counter`
Sep 17 20:34:39.351 INFO kablam!  --> examples/theramin.rs:9:3
Sep 17 20:34:39.351 INFO kablam!   |
Sep 17 20:34:39.351 INFO kablam! 9 |   counter: u8
Sep 17 20:34:39.351 INFO kablam!   |   ^^^^^^^^^^^
Sep 17 20:34:39.351 INFO kablam! 
Sep 17 20:34:39.426 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
Sep 17 20:34:39.431 INFO kablam! su: No module specific data is present
Sep 17 20:34:39.876 INFO running `"docker" "rm" "-f" "b38f8403c7108c70f12c6581b4168f02cba263577bfa173d75492fb538ad58e0"`
Sep 17 20:34:39.951 INFO blam! b38f8403c7108c70f12c6581b4168f02cba263577bfa173d75492fb538ad58e0