Oct 13 01:13:02.197 INFO checking andygrove/octasonic-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:13:02.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 01:13:02.680 INFO blam! b1ac102571c2c0eff33bda322a94ad92b9d98dd362bb255ff713b7385938f3e3
Oct 13 01:13:02.686 INFO running `"docker" "start" "-a" "b1ac102571c2c0eff33bda322a94ad92b9d98dd362bb255ff713b7385938f3e3"`
Oct 13 01:13:03.896 INFO kablam! usermod: no changes
Oct 13 01:13:04.020 INFO kablam!    Compiling nix v0.6.0
Oct 13 01:13:04.020 INFO kablam!     Checking spidev v0.2.1
Oct 13 01:13:09.524 INFO kablam!     Checking sysfs_gpio v0.4.4
Oct 13 01:13:10.596 INFO kablam!     Checking octasonic v0.1.0 (/source)
Oct 13 01:13:12.548 INFO kablam! warning: unused import: `std::thread::sleep`
Oct 13 01:13:12.548 INFO kablam!  --> examples/piano.rs:4:5
Oct 13 01:13:12.548 INFO kablam!   |
Oct 13 01:13:12.548 INFO kablam! 4 | use std::thread::sleep;
Oct 13 01:13:12.548 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 01:13:12.548 INFO kablam!   |
Oct 13 01:13:12.548 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 01:13:12.548 INFO kablam! 
Oct 13 01:13:12.548 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 01:13:12.549 INFO kablam!  --> examples/piano.rs:5:5
Oct 13 01:13:12.549 INFO kablam!   |
Oct 13 01:13:12.549 INFO kablam! 5 | use std::time::Duration;
Oct 13 01:13:12.549 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 01:13:12.549 INFO kablam! 
Oct 13 01:13:12.602 INFO kablam! warning: unused import: `std::thread::sleep`
Oct 13 01:13:12.602 INFO kablam!  --> examples/theramin.rs:4:5
Oct 13 01:13:12.602 INFO kablam!   |
Oct 13 01:13:12.602 INFO kablam! 4 | use std::thread::sleep;
Oct 13 01:13:12.602 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 01:13:12.602 INFO kablam!   |
Oct 13 01:13:12.602 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 01:13:12.602 INFO kablam! 
Oct 13 01:13:12.602 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 01:13:12.602 INFO kablam!  --> examples/theramin.rs:5:5
Oct 13 01:13:12.603 INFO kablam!   |
Oct 13 01:13:12.603 INFO kablam! 5 | use std::time::Duration;
Oct 13 01:13:12.603 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 01:13:12.603 INFO kablam! 
Oct 13 01:13:12.672 INFO kablam! warning: field is never used: `playing`
Oct 13 01:13:12.672 INFO kablam!  --> examples/theramin.rs:8:3
Oct 13 01:13:12.672 INFO kablam!   |
Oct 13 01:13:12.672 INFO kablam! 8 |   playing: bool,
Oct 13 01:13:12.672 INFO kablam!   |   ^^^^^^^^^^^^^
Oct 13 01:13:12.672 INFO kablam!   |
Oct 13 01:13:12.672 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 01:13:12.672 INFO kablam! 
Oct 13 01:13:12.672 INFO kablam! warning: field is never used: `counter`
Oct 13 01:13:12.672 INFO kablam!  --> examples/theramin.rs:9:3
Oct 13 01:13:12.672 INFO kablam!   |
Oct 13 01:13:12.672 INFO kablam! 9 |   counter: u8
Oct 13 01:13:12.672 INFO kablam!   |   ^^^^^^^^^^^
Oct 13 01:13:12.672 INFO kablam! 
Oct 13 01:13:12.961 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
Oct 13 01:13:12.964 INFO kablam! su: No module specific data is present
Oct 13 01:13:13.596 INFO running `"docker" "rm" "-f" "b1ac102571c2c0eff33bda322a94ad92b9d98dd362bb255ff713b7385938f3e3"`
Oct 13 01:13:13.785 INFO blam! b1ac102571c2c0eff33bda322a94ad92b9d98dd362bb255ff713b7385938f3e3