Oct 31 21:54:19.497 INFO checking ryota-sakamoto/scala against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:54:19.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 21:54:19.830 INFO blam! 468ba4044217937f9e7f1283e8f7e22d075156c85549b7bc493bb6cb3c36a08c
Oct 31 21:54:19.834 INFO running `"docker" "start" "-a" "468ba4044217937f9e7f1283e8f7e22d075156c85549b7bc493bb6cb3c36a08c"`
Oct 31 21:54:20.936 INFO kablam! usermod: no changes
Oct 31 21:54:21.032 INFO kablam!     Checking scala v0.1.0 (/source)
Oct 31 21:54:22.029 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 21:54:22.029 INFO kablam!  --> src/main.rs:1:1
Oct 31 21:54:22.029 INFO kablam!   |
Oct 31 21:54:22.029 INFO kablam! 1 | #[macro_use]
Oct 31 21:54:22.029 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 21:54:22.029 INFO kablam!   |
Oct 31 21:54:22.029 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:54:22.029 INFO kablam! 
Oct 31 21:54:22.057 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 21:54:22.057 INFO kablam!  --> src/main.rs:1:1
Oct 31 21:54:22.057 INFO kablam!   |
Oct 31 21:54:22.057 INFO kablam! 1 | #[macro_use]
Oct 31 21:54:22.057 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 21:54:22.058 INFO kablam!   |
Oct 31 21:54:22.058 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:54:22.058 INFO kablam! 
Oct 31 21:54:22.125 INFO kablam! warning: function is never used: `e1`
Oct 31 21:54:22.125 INFO kablam!   --> src/main.rs:27:1
Oct 31 21:54:22.125 INFO kablam!    |
Oct 31 21:54:22.125 INFO kablam! 27 | fn e1(n: u64) -> Either<String, String> {
Oct 31 21:54:22.125 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:54:22.125 INFO kablam!    |
Oct 31 21:54:22.125 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 21:54:22.125 INFO kablam! 
Oct 31 21:54:22.130 INFO kablam! warning: function is never used: `e1`
Oct 31 21:54:22.130 INFO kablam!   --> src/main.rs:27:1
Oct 31 21:54:22.130 INFO kablam!    |
Oct 31 21:54:22.130 INFO kablam! 27 | fn e1(n: u64) -> Either<String, String> {
Oct 31 21:54:22.130 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:54:22.130 INFO kablam!    |
Oct 31 21:54:22.130 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 21:54:22.130 INFO kablam! 
Oct 31 21:54:22.156 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Oct 31 21:54:22.160 INFO kablam! su: No module specific data is present
Oct 31 21:54:22.774 INFO running `"docker" "rm" "-f" "468ba4044217937f9e7f1283e8f7e22d075156c85549b7bc493bb6cb3c36a08c"`
Oct 31 21:54:23.137 INFO blam! 468ba4044217937f9e7f1283e8f7e22d075156c85549b7bc493bb6cb3c36a08c