Oct 12 14:28:11.272 INFO checking ryota-sakamoto/scala against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:28:11.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 12 14:28:11.745 INFO blam! 7216c0aaf74658a3b7fce8f7ee922a672d8a075fe47b586c8509b7a24ca0def1
Oct 12 14:28:11.750 INFO running `"docker" "start" "-a" "7216c0aaf74658a3b7fce8f7ee922a672d8a075fe47b586c8509b7a24ca0def1"`
Oct 12 14:28:12.832 INFO kablam! usermod: no changes
Oct 12 14:28:12.898 INFO kablam!     Checking scala v0.1.0 (/source)
Oct 12 14:28:14.032 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 14:28:14.032 INFO kablam!  --> src/main.rs:1:1
Oct 12 14:28:14.032 INFO kablam!   |
Oct 12 14:28:14.032 INFO kablam! 1 | #[macro_use]
Oct 12 14:28:14.032 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 14:28:14.032 INFO kablam!   |
Oct 12 14:28:14.032 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:28:14.032 INFO kablam! 
Oct 12 14:28:14.088 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 14:28:14.088 INFO kablam!  --> src/main.rs:1:1
Oct 12 14:28:14.088 INFO kablam!   |
Oct 12 14:28:14.088 INFO kablam! 1 | #[macro_use]
Oct 12 14:28:14.088 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 14:28:14.088 INFO kablam!   |
Oct 12 14:28:14.088 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:28:14.088 INFO kablam! 
Oct 12 14:28:14.124 INFO kablam! warning: function is never used: `e1`
Oct 12 14:28:14.124 INFO kablam!   --> src/main.rs:27:1
Oct 12 14:28:14.124 INFO kablam!    |
Oct 12 14:28:14.124 INFO kablam! 27 | fn e1(n: u64) -> Either<String, String> {
Oct 12 14:28:14.124 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:28:14.124 INFO kablam!    |
Oct 12 14:28:14.124 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 14:28:14.126 INFO kablam! 
Oct 12 14:28:14.166 INFO kablam! warning: function is never used: `e1`
Oct 12 14:28:14.167 INFO kablam!   --> src/main.rs:27:1
Oct 12 14:28:14.167 INFO kablam!    |
Oct 12 14:28:14.167 INFO kablam! 27 | fn e1(n: u64) -> Either<String, String> {
Oct 12 14:28:14.167 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:28:14.167 INFO kablam!    |
Oct 12 14:28:14.167 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 14:28:14.167 INFO kablam! 
Oct 12 14:28:14.397 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Oct 12 14:28:14.405 INFO kablam! su: No module specific data is present
Oct 12 14:28:15.264 INFO running `"docker" "rm" "-f" "7216c0aaf74658a3b7fce8f7ee922a672d8a075fe47b586c8509b7a24ca0def1"`
Oct 12 14:28:15.587 INFO blam! 7216c0aaf74658a3b7fce8f7ee922a672d8a075fe47b586c8509b7a24ca0def1