Oct 13 11:22:48.897 INFO checking octasonic-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:22:48.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 11:22:49.378 INFO blam! 173cb3491a17749ad3417b3bd8b3f399a0c667b734013eab921bcdcdc1e7ddd0
Oct 13 11:22:49.379 INFO running `"docker" "start" "-a" "173cb3491a17749ad3417b3bd8b3f399a0c667b734013eab921bcdcdc1e7ddd0"`
Oct 13 11:22:50.324 INFO kablam! usermod: no changes
Oct 13 11:22:50.424 INFO kablam!     Checking spidev v0.2.1
Oct 13 11:22:50.432 INFO kablam!     Checking nix v0.6.0
Oct 13 11:22:53.919 INFO kablam!     Checking sysfs_gpio v0.4.4
Oct 13 11:22:55.620 INFO kablam!     Checking octasonic v0.1.0 (/source)
Oct 13 11:22:58.552 INFO kablam! warning: unused import: `std::thread::sleep`
Oct 13 11:22:58.552 INFO kablam!  --> examples/piano.rs:4:5
Oct 13 11:22:58.552 INFO kablam!   |
Oct 13 11:22:58.552 INFO kablam! 4 | use std::thread::sleep;
Oct 13 11:22:58.552 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 11:22:58.552 INFO kablam!   |
Oct 13 11:22:58.552 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 11:22:58.552 INFO kablam! 
Oct 13 11:22:58.552 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 11:22:58.552 INFO kablam!  --> examples/piano.rs:5:5
Oct 13 11:22:58.552 INFO kablam!   |
Oct 13 11:22:58.552 INFO kablam! 5 | use std::time::Duration;
Oct 13 11:22:58.552 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:58.552 INFO kablam! 
Oct 13 11:22:59.236 INFO kablam! warning: unused import: `std::thread::sleep`
Oct 13 11:22:59.237 INFO kablam!  --> examples/theramin.rs:4:5
Oct 13 11:22:59.237 INFO kablam!   |
Oct 13 11:22:59.237 INFO kablam! 4 | use std::thread::sleep;
Oct 13 11:22:59.238 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 11:22:59.238 INFO kablam!   |
Oct 13 11:22:59.238 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 11:22:59.238 INFO kablam! 
Oct 13 11:22:59.252 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 11:22:59.253 INFO kablam!  --> examples/theramin.rs:5:5
Oct 13 11:22:59.253 INFO kablam!   |
Oct 13 11:22:59.253 INFO kablam! 5 | use std::time::Duration;
Oct 13 11:22:59.253 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:59.254 INFO kablam! 
Oct 13 11:22:59.348 INFO kablam! warning: field is never used: `playing`
Oct 13 11:22:59.349 INFO kablam!  --> examples/theramin.rs:8:3
Oct 13 11:22:59.349 INFO kablam!   |
Oct 13 11:22:59.349 INFO kablam! 8 |   playing: bool,
Oct 13 11:22:59.350 INFO kablam!   |   ^^^^^^^^^^^^^
Oct 13 11:22:59.350 INFO kablam!   |
Oct 13 11:22:59.350 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:22:59.350 INFO kablam! 
Oct 13 11:22:59.351 INFO kablam! warning: field is never used: `counter`
Oct 13 11:22:59.351 INFO kablam!  --> examples/theramin.rs:9:3
Oct 13 11:22:59.351 INFO kablam!   |
Oct 13 11:22:59.351 INFO kablam! 9 |   counter: u8
Oct 13 11:22:59.352 INFO kablam!   |   ^^^^^^^^^^^
Oct 13 11:22:59.352 INFO kablam! 
Oct 13 11:22:59.417 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
Oct 13 11:22:59.428 INFO kablam! su: No module specific data is present
Oct 13 11:23:00.208 INFO running `"docker" "rm" "-f" "173cb3491a17749ad3417b3bd8b3f399a0c667b734013eab921bcdcdc1e7ddd0"`
Oct 13 11:23:00.556 INFO blam! 173cb3491a17749ad3417b3bd8b3f399a0c667b734013eab921bcdcdc1e7ddd0