Dec 04 10:58:30.749 INFO checking ryota-sakamoto/scala against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:58:30.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 10:58:31.230 INFO [stdout] e6d2eef6cdbe8f4ce01be782914639eb511b6f6b30add7dbed5c6230ec9a7327
Dec 04 10:58:31.233 INFO running `"docker" "start" "-a" "e6d2eef6cdbe8f4ce01be782914639eb511b6f6b30add7dbed5c6230ec9a7327"`
Dec 04 10:58:33.534 INFO [stderr] usermod: no changes
Dec 04 10:58:33.625 INFO [stderr]     Checking scala v0.1.0 (/source)
Dec 04 10:58:34.707 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 10:58:34.707 INFO [stderr]  --> src/main.rs:1:1
Dec 04 10:58:34.707 INFO [stderr]   |
Dec 04 10:58:34.707 INFO [stderr] 1 | #[macro_use]
Dec 04 10:58:34.707 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 10:58:34.707 INFO [stderr]   |
Dec 04 10:58:34.707 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:58:34.707 INFO [stderr] 
Dec 04 10:58:34.767 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 10:58:34.767 INFO [stderr]  --> src/main.rs:1:1
Dec 04 10:58:34.767 INFO [stderr]   |
Dec 04 10:58:34.767 INFO [stderr] 1 | #[macro_use]
Dec 04 10:58:34.767 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 10:58:34.791 INFO [stderr]   |
Dec 04 10:58:34.791 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:58:34.791 INFO [stderr] 
Dec 04 10:58:34.871 INFO [stderr] warning: function is never used: `e1`
Dec 04 10:58:34.871 INFO [stderr]   --> src/main.rs:27:1
Dec 04 10:58:34.871 INFO [stderr]    |
Dec 04 10:58:34.871 INFO [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
Dec 04 10:58:34.871 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:58:34.871 INFO [stderr]    |
Dec 04 10:58:34.871 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:58:34.871 INFO [stderr] 
Dec 04 10:58:34.977 INFO [stderr] warning: function is never used: `e1`
Dec 04 10:58:34.977 INFO [stderr]   --> src/main.rs:27:1
Dec 04 10:58:34.977 INFO [stderr]    |
Dec 04 10:58:34.977 INFO [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
Dec 04 10:58:34.978 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:58:34.978 INFO [stderr]    |
Dec 04 10:58:34.978 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:58:34.978 INFO [stderr] 
Dec 04 10:58:35.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 04 10:58:35.185 INFO [stderr] su: No module specific data is present
Dec 04 10:58:36.237 INFO running `"docker" "inspect" "e6d2eef6cdbe8f4ce01be782914639eb511b6f6b30add7dbed5c6230ec9a7327"`
Dec 04 10:58:36.487 INFO running `"docker" "rm" "-f" "e6d2eef6cdbe8f4ce01be782914639eb511b6f6b30add7dbed5c6230ec9a7327"`
Dec 04 10:58:36.839 INFO [stdout] e6d2eef6cdbe8f4ce01be782914639eb511b6f6b30add7dbed5c6230ec9a7327