Sep 19 23:24:26.134 INFO checking octasonic-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 23:24:26.134 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 23:24:26.134 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:24:26.271 INFO blam! f377d70f08dbdebb32c9e0c6b7e7d3f9a914791e3a56e5334705c921aca6f04d
Sep 19 23:24:26.272 INFO running `"docker" "start" "-a" "f377d70f08dbdebb32c9e0c6b7e7d3f9a914791e3a56e5334705c921aca6f04d"`
Sep 19 23:24:27.379 INFO kablam! usermod: no changes
Sep 19 23:24:27.454 INFO kablam!    Compiling nix v0.6.0
Sep 19 23:24:27.454 INFO kablam!     Checking spidev v0.2.1
Sep 19 23:24:31.285 INFO kablam!     Checking sysfs_gpio v0.4.4
Sep 19 23:24:31.908 INFO kablam!     Checking octasonic v0.1.0 (/source)
Sep 19 23:24:33.334 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 19 23:24:33.334 INFO kablam!  --> examples/piano.rs:4:5
Sep 19 23:24:33.334 INFO kablam!   |
Sep 19 23:24:33.334 INFO kablam! 4 | use std::thread::sleep;
Sep 19 23:24:33.334 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 19 23:24:33.334 INFO kablam!   |
Sep 19 23:24:33.338 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:24:33.338 INFO kablam! 
Sep 19 23:24:33.338 INFO kablam! warning: unused import: `std::time::Duration`
Sep 19 23:24:33.338 INFO kablam!  --> examples/piano.rs:5:5
Sep 19 23:24:33.338 INFO kablam!   |
Sep 19 23:24:33.338 INFO kablam! 5 | use std::time::Duration;
Sep 19 23:24:33.338 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 19 23:24:33.338 INFO kablam! 
Sep 19 23:24:33.422 INFO kablam! warning: unused import: `std::thread::sleep`
Sep 19 23:24:33.422 INFO kablam!  --> examples/theramin.rs:4:5
Sep 19 23:24:33.422 INFO kablam!   |
Sep 19 23:24:33.422 INFO kablam! 4 | use std::thread::sleep;
Sep 19 23:24:33.422 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 19 23:24:33.445 INFO kablam!   |
Sep 19 23:24:33.445 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:24:33.445 INFO kablam! 
Sep 19 23:24:33.445 INFO kablam! warning: unused import: `std::time::Duration`
Sep 19 23:24:33.445 INFO kablam!  --> examples/theramin.rs:5:5
Sep 19 23:24:33.445 INFO kablam!   |
Sep 19 23:24:33.445 INFO kablam! 5 | use std::time::Duration;
Sep 19 23:24:33.445 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 19 23:24:33.445 INFO kablam! 
Sep 19 23:24:33.622 INFO kablam! warning: field is never used: `playing`
Sep 19 23:24:33.622 INFO kablam!  --> examples/theramin.rs:8:3
Sep 19 23:24:33.622 INFO kablam!   |
Sep 19 23:24:33.622 INFO kablam! 8 |   playing: bool,
Sep 19 23:24:33.622 INFO kablam!   |   ^^^^^^^^^^^^^
Sep 19 23:24:33.622 INFO kablam!   |
Sep 19 23:24:33.622 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 19 23:24:33.622 INFO kablam! 
Sep 19 23:24:33.622 INFO kablam! warning: field is never used: `counter`
Sep 19 23:24:33.622 INFO kablam!  --> examples/theramin.rs:9:3
Sep 19 23:24:33.622 INFO kablam!   |
Sep 19 23:24:33.622 INFO kablam! 9 |   counter: u8
Sep 19 23:24:33.622 INFO kablam!   |   ^^^^^^^^^^^
Sep 19 23:24:33.622 INFO kablam! 
Sep 19 23:24:33.749 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
Sep 19 23:24:33.758 INFO kablam! su: No module specific data is present
Sep 19 23:24:34.599 INFO running `"docker" "rm" "-f" "f377d70f08dbdebb32c9e0c6b7e7d3f9a914791e3a56e5334705c921aca6f04d"`
Sep 19 23:24:34.726 INFO blam! f377d70f08dbdebb32c9e0c6b7e7d3f9a914791e3a56e5334705c921aca6f04d