Dec 04 13:04:28.240 INFO checking notryanb/scrap_iron against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:04:28.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13:04:28.729 INFO [stdout] 39ffe22e8850d89ef4cbbcb8b3558d3fbf8ab33b3abd9ba7fbb7d5f7d4fc549f
Dec 04 13:04:28.731 INFO running `"docker" "start" "-a" "39ffe22e8850d89ef4cbbcb8b3558d3fbf8ab33b3abd9ba7fbb7d5f7d4fc549f"`
Dec 04 13:04:30.847 INFO [stderr] usermod: no changes
Dec 04 13:04:30.947 INFO [stderr]     Checking rust-server v0.1.0 (/source)
Dec 04 13:04:31.467 INFO [stderr] warning: unused import: `std::thread`
Dec 04 13:04:31.467 INFO [stderr]  --> src/main.rs:3:5
Dec 04 13:04:31.467 INFO [stderr]   |
Dec 04 13:04:31.467 INFO [stderr] 3 | use std::thread;
Dec 04 13:04:31.467 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 13:04:31.467 INFO [stderr]   |
Dec 04 13:04:31.467 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:04:31.467 INFO [stderr] 
Dec 04 13:04:31.467 INFO [stderr] warning: unused import: `std::env`
Dec 04 13:04:31.467 INFO [stderr]  --> src/main.rs:5:5
Dec 04 13:04:31.467 INFO [stderr]   |
Dec 04 13:04:31.467 INFO [stderr] 5 | use std::env;
Dec 04 13:04:31.467 INFO [stderr]   |     ^^^^^^^^
Dec 04 13:04:31.467 INFO [stderr] 
Dec 04 13:04:31.479 INFO [stderr] warning: unused import: `std::thread`
Dec 04 13:04:31.479 INFO [stderr]  --> src/main.rs:3:5
Dec 04 13:04:31.479 INFO [stderr]   |
Dec 04 13:04:31.479 INFO [stderr] 3 | use std::thread;
Dec 04 13:04:31.479 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 13:04:31.479 INFO [stderr]   |
Dec 04 13:04:31.479 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:04:31.479 INFO [stderr] 
Dec 04 13:04:31.479 INFO [stderr] warning: unused import: `std::env`
Dec 04 13:04:31.479 INFO [stderr]  --> src/main.rs:5:5
Dec 04 13:04:31.479 INFO [stderr]   |
Dec 04 13:04:31.479 INFO [stderr] 5 | use std::env;
Dec 04 13:04:31.479 INFO [stderr]   |     ^^^^^^^^
Dec 04 13:04:31.479 INFO [stderr] 
Dec 04 13:04:31.528 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:04:31.528 INFO [stderr]   --> src/main.rs:34:5
Dec 04 13:04:31.528 INFO [stderr]    |
Dec 04 13:04:31.528 INFO [stderr] 34 |     f.read_to_string(&mut response);
Dec 04 13:04:31.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:04:31.528 INFO [stderr]    |
Dec 04 13:04:31.529 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 13:04:31.529 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:04:31.529 INFO [stderr] 
Dec 04 13:04:31.595 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:04:31.595 INFO [stderr]   --> src/main.rs:34:5
Dec 04 13:04:31.595 INFO [stderr]    |
Dec 04 13:04:31.595 INFO [stderr] 34 |     f.read_to_string(&mut response);
Dec 04 13:04:31.595 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:04:31.595 INFO [stderr]    |
Dec 04 13:04:31.595 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 13:04:31.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:04:31.595 INFO [stderr] 
Dec 04 13:04:31.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 04 13:04:31.633 INFO [stderr] su: No module specific data is present
Dec 04 13:04:32.633 INFO running `"docker" "inspect" "39ffe22e8850d89ef4cbbcb8b3558d3fbf8ab33b3abd9ba7fbb7d5f7d4fc549f"`
Dec 04 13:04:33.011 INFO running `"docker" "rm" "-f" "39ffe22e8850d89ef4cbbcb8b3558d3fbf8ab33b3abd9ba7fbb7d5f7d4fc549f"`
Dec 04 13:04:33.339 INFO [stdout] 39ffe22e8850d89ef4cbbcb8b3558d3fbf8ab33b3abd9ba7fbb7d5f7d4fc549f