Oct 12 16:24:03.161 INFO checking notryanb/scrap_iron against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 16:24:03.162 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 16:24:03.672 INFO blam! 4e22892f4ced8e2da9501efa0b3119a6dc127cde76b0ad737f03a879adc65c74
Oct 12 16:24:03.677 INFO running `"docker" "start" "-a" "4e22892f4ced8e2da9501efa0b3119a6dc127cde76b0ad737f03a879adc65c74"`
Oct 12 16:24:05.300 INFO kablam! usermod: no changes
Oct 12 16:24:05.368 INFO kablam!     Checking rust-server v0.1.0 (/source)
Oct 12 16:24:05.734 INFO kablam! warning: unused import: `std::thread`
Oct 12 16:24:05.734 INFO kablam!  --> src/main.rs:3:5
Oct 12 16:24:05.734 INFO kablam!   |
Oct 12 16:24:05.734 INFO kablam! 3 | use std::thread;
Oct 12 16:24:05.734 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 16:24:05.734 INFO kablam!   |
Oct 12 16:24:05.734 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:24:05.734 INFO kablam! 
Oct 12 16:24:05.734 INFO kablam! warning: unused import: `std::env`
Oct 12 16:24:05.734 INFO kablam!  --> src/main.rs:5:5
Oct 12 16:24:05.734 INFO kablam!   |
Oct 12 16:24:05.734 INFO kablam! 5 | use std::env;
Oct 12 16:24:05.734 INFO kablam!   |     ^^^^^^^^
Oct 12 16:24:05.734 INFO kablam! 
Oct 12 16:24:05.795 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:24:05.795 INFO kablam!   --> src/main.rs:34:5
Oct 12 16:24:05.795 INFO kablam!    |
Oct 12 16:24:05.795 INFO kablam! 34 |     f.read_to_string(&mut response);
Oct 12 16:24:05.795 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:24:05.795 INFO kablam!    |
Oct 12 16:24:05.795 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:24:05.795 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:24:05.795 INFO kablam! 
Oct 12 16:24:05.852 INFO kablam! warning: unused import: `std::thread`
Oct 12 16:24:05.852 INFO kablam!  --> src/main.rs:3:5
Oct 12 16:24:05.852 INFO kablam!   |
Oct 12 16:24:05.853 INFO kablam! 3 | use std::thread;
Oct 12 16:24:05.853 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 16:24:05.853 INFO kablam!   |
Oct 12 16:24:05.853 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:24:05.853 INFO kablam! 
Oct 12 16:24:05.853 INFO kablam! warning: unused import: `std::env`
Oct 12 16:24:05.853 INFO kablam!  --> src/main.rs:5:5
Oct 12 16:24:05.853 INFO kablam!   |
Oct 12 16:24:05.853 INFO kablam! 5 | use std::env;
Oct 12 16:24:05.853 INFO kablam!   |     ^^^^^^^^
Oct 12 16:24:05.853 INFO kablam! 
Oct 12 16:24:05.914 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:24:05.914 INFO kablam!   --> src/main.rs:34:5
Oct 12 16:24:05.914 INFO kablam!    |
Oct 12 16:24:05.914 INFO kablam! 34 |     f.read_to_string(&mut response);
Oct 12 16:24:05.914 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:24:05.914 INFO kablam!    |
Oct 12 16:24:05.914 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:24:05.914 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:24:05.914 INFO kablam! 
Oct 12 16:24:05.938 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Oct 12 16:24:05.941 INFO kablam! su: No module specific data is present
Oct 12 16:24:06.782 INFO running `"docker" "rm" "-f" "4e22892f4ced8e2da9501efa0b3119a6dc127cde76b0ad737f03a879adc65c74"`
Oct 12 16:24:07.044 INFO blam! 4e22892f4ced8e2da9501efa0b3119a6dc127cde76b0ad737f03a879adc65c74