Nov 02 09:18:25.105 INFO checking notryanb/scrap_iron against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 09:18:25.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 09:18:25.512 INFO blam! 366503fc5033a8549b00972d7eae02492386bcd60370ad1076763f4cecd056b8
Nov 02 09:18:25.528 INFO running `"docker" "start" "-a" "366503fc5033a8549b00972d7eae02492386bcd60370ad1076763f4cecd056b8"`
Nov 02 09:18:26.848 INFO kablam! usermod: no changes
Nov 02 09:18:26.920 INFO kablam!     Checking rust-server v0.1.0 (/source)
Nov 02 09:18:27.454 INFO kablam! warning: unused import: `std::thread`
Nov 02 09:18:27.454 INFO kablam!  --> src/main.rs:3:5
Nov 02 09:18:27.454 INFO kablam!   |
Nov 02 09:18:27.454 INFO kablam! 3 | use std::thread;
Nov 02 09:18:27.454 INFO kablam!   |     ^^^^^^^^^^^
Nov 02 09:18:27.454 INFO kablam!   |
Nov 02 09:18:27.454 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 09:18:27.455 INFO kablam! 
Nov 02 09:18:27.455 INFO kablam! warning: unused import: `std::env`
Nov 02 09:18:27.455 INFO kablam!  --> src/main.rs:5:5
Nov 02 09:18:27.455 INFO kablam!   |
Nov 02 09:18:27.455 INFO kablam! 5 | use std::env;
Nov 02 09:18:27.455 INFO kablam!   |     ^^^^^^^^
Nov 02 09:18:27.455 INFO kablam! 
Nov 02 09:18:27.555 INFO kablam! warning: unused import: `std::thread`
Nov 02 09:18:27.555 INFO kablam!  --> src/main.rs:3:5
Nov 02 09:18:27.555 INFO kablam!   |
Nov 02 09:18:27.555 INFO kablam! 3 | use std::thread;
Nov 02 09:18:27.555 INFO kablam!   |     ^^^^^^^^^^^
Nov 02 09:18:27.555 INFO kablam!   |
Nov 02 09:18:27.555 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 09:18:27.555 INFO kablam! 
Nov 02 09:18:27.555 INFO kablam! warning: unused import: `std::env`
Nov 02 09:18:27.556 INFO kablam!  --> src/main.rs:5:5
Nov 02 09:18:27.556 INFO kablam!   |
Nov 02 09:18:27.556 INFO kablam! 5 | use std::env;
Nov 02 09:18:27.556 INFO kablam!   |     ^^^^^^^^
Nov 02 09:18:27.556 INFO kablam! 
Nov 02 09:18:27.580 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 09:18:27.580 INFO kablam!   --> src/main.rs:34:5
Nov 02 09:18:27.580 INFO kablam!    |
Nov 02 09:18:27.580 INFO kablam! 34 |     f.read_to_string(&mut response);
Nov 02 09:18:27.580 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:18:27.596 INFO kablam!    |
Nov 02 09:18:27.596 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 09:18:27.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 09:18:27.596 INFO kablam! 
Nov 02 09:18:27.664 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 09:18:27.664 INFO kablam!   --> src/main.rs:34:5
Nov 02 09:18:27.664 INFO kablam!    |
Nov 02 09:18:27.665 INFO kablam! 34 |     f.read_to_string(&mut response);
Nov 02 09:18:27.665 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:18:27.665 INFO kablam!    |
Nov 02 09:18:27.665 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 09:18:27.665 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 09:18:27.665 INFO kablam! 
Nov 02 09:18:27.688 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 02 09:18:27.696 INFO kablam! su: No module specific data is present
Nov 02 09:18:28.414 INFO running `"docker" "rm" "-f" "366503fc5033a8549b00972d7eae02492386bcd60370ad1076763f4cecd056b8"`
Nov 02 09:18:28.780 INFO blam! 366503fc5033a8549b00972d7eae02492386bcd60370ad1076763f4cecd056b8