Sep 17 20:34:36.670 INFO checking octasonic-0.1.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 20:34:36.670 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 20:34:36.670 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:34:36.899 INFO blam! e6c0d882b7671c86f8a8622e9f83c77104bdfa110ad9e31cf46c91fb77068a48
Sep 17 20:34:36.905 INFO running `"docker" "start" "-a" "e6c0d882b7671c86f8a8622e9f83c77104bdfa110ad9e31cf46c91fb77068a48"`
Sep 17 20:34:38.008 INFO kablam! usermod: no changes
Sep 17 20:34:38.086 INFO kablam!     Checking spidev v0.2.1
Sep 17 20:34:38.090 INFO kablam!     Checking sysfs_gpio v0.4.4
Sep 17 20:34:38.751 INFO kablam!     Checking octasonic v0.1.0 (/source)
Sep 17 20:34:39.611 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 17 20:34:39.611 INFO kablam!  --> examples/piano.rs:4:5
Sep 17 20:34:39.611 INFO kablam!   |
Sep 17 20:34:39.611 INFO kablam! 4 | use std::thread::sleep;
Sep 17 20:34:39.611 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.611 INFO kablam!   |
Sep 17 20:34:39.611 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:34:39.611 INFO kablam! 
Sep 17 20:34:39.611 INFO kablam! warning: unused import: `std::time::Duration`
Sep 17 20:34:39.611 INFO kablam!  --> examples/piano.rs:5:5
Sep 17 20:34:39.611 INFO kablam!   |
Sep 17 20:34:39.611 INFO kablam! 5 | use std::time::Duration;
Sep 17 20:34:39.611 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.611 INFO kablam! 
Sep 17 20:34:39.669 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 17 20:34:39.669 INFO kablam!  --> examples/theramin.rs:4:5
Sep 17 20:34:39.669 INFO kablam!   |
Sep 17 20:34:39.669 INFO kablam! 4 | use std::thread::sleep;
Sep 17 20:34:39.669 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.669 INFO kablam!   |
Sep 17 20:34:39.669 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:34:39.669 INFO kablam! 
Sep 17 20:34:39.669 INFO kablam! warning: unused import: `std::time::Duration`
Sep 17 20:34:39.669 INFO kablam!  --> examples/theramin.rs:5:5
Sep 17 20:34:39.669 INFO kablam!   |
Sep 17 20:34:39.669 INFO kablam! 5 | use std::time::Duration;
Sep 17 20:34:39.669 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 20:34:39.669 INFO kablam! 
Sep 17 20:34:39.725 INFO kablam! warning: field is never used: `playing`
Sep 17 20:34:39.725 INFO kablam!  --> examples/theramin.rs:8:3
Sep 17 20:34:39.725 INFO kablam!   |
Sep 17 20:34:39.725 INFO kablam! 8 |   playing: bool,
Sep 17 20:34:39.725 INFO kablam!   |   ^^^^^^^^^^^^^
Sep 17 20:34:39.725 INFO kablam!   |
Sep 17 20:34:39.725 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 20:34:39.725 INFO kablam! 
Sep 17 20:34:39.725 INFO kablam! warning: field is never used: `counter`
Sep 17 20:34:39.725 INFO kablam!  --> examples/theramin.rs:9:3
Sep 17 20:34:39.725 INFO kablam!   |
Sep 17 20:34:39.725 INFO kablam! 9 |   counter: u8
Sep 17 20:34:39.725 INFO kablam!   |   ^^^^^^^^^^^
Sep 17 20:34:39.726 INFO kablam! 
Sep 17 20:34:39.743 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Sep 17 20:34:39.748 INFO kablam! su: No module specific data is present
Sep 17 20:34:40.198 INFO running `"docker" "rm" "-f" "e6c0d882b7671c86f8a8622e9f83c77104bdfa110ad9e31cf46c91fb77068a48"`
Sep 17 20:34:40.334 INFO blam! e6c0d882b7671c86f8a8622e9f83c77104bdfa110ad9e31cf46c91fb77068a48