Oct 31 23:50:43.130 INFO checking notryanb/scrap_iron against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 23:50:43.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 23:50:43.628 INFO blam! c1fa0c0acc5439e3357defc626d802a336651585247376ad0d623f3bd0536167
Oct 31 23:50:43.636 INFO running `"docker" "start" "-a" "c1fa0c0acc5439e3357defc626d802a336651585247376ad0d623f3bd0536167"`
Oct 31 23:50:45.055 INFO kablam! usermod: no changes
Oct 31 23:50:45.100 INFO kablam!     Checking rust-server v0.1.0 (/source)
Oct 31 23:50:45.632 INFO kablam! warning: unused import: `std::thread`
Oct 31 23:50:45.632 INFO kablam!  --> src/main.rs:3:5
Oct 31 23:50:45.632 INFO kablam!   |
Oct 31 23:50:45.632 INFO kablam! 3 | use std::thread;
Oct 31 23:50:45.632 INFO kablam!   |     ^^^^^^^^^^^
Oct 31 23:50:45.632 INFO kablam!   |
Oct 31 23:50:45.632 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:50:45.632 INFO kablam! 
Oct 31 23:50:45.632 INFO kablam! warning: unused import: `std::env`
Oct 31 23:50:45.632 INFO kablam!  --> src/main.rs:5:5
Oct 31 23:50:45.632 INFO kablam!   |
Oct 31 23:50:45.632 INFO kablam! 5 | use std::env;
Oct 31 23:50:45.632 INFO kablam!   |     ^^^^^^^^
Oct 31 23:50:45.632 INFO kablam! 
Oct 31 23:50:45.742 INFO kablam! warning: unused import: `std::thread`
Oct 31 23:50:45.742 INFO kablam!  --> src/main.rs:3:5
Oct 31 23:50:45.742 INFO kablam!   |
Oct 31 23:50:45.742 INFO kablam! 3 | use std::thread;
Oct 31 23:50:45.742 INFO kablam!   |     ^^^^^^^^^^^
Oct 31 23:50:45.742 INFO kablam!   |
Oct 31 23:50:45.742 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:50:45.742 INFO kablam! 
Oct 31 23:50:45.742 INFO kablam! warning: unused import: `std::env`
Oct 31 23:50:45.742 INFO kablam!  --> src/main.rs:5:5
Oct 31 23:50:45.742 INFO kablam!   |
Oct 31 23:50:45.742 INFO kablam! 5 | use std::env;
Oct 31 23:50:45.742 INFO kablam!   |     ^^^^^^^^
Oct 31 23:50:45.742 INFO kablam! 
Oct 31 23:50:45.843 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 23:50:45.843 INFO kablam!   --> src/main.rs:34:5
Oct 31 23:50:45.843 INFO kablam!    |
Oct 31 23:50:45.843 INFO kablam! 34 |     f.read_to_string(&mut response);
Oct 31 23:50:45.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:50:45.843 INFO kablam!    |
Oct 31 23:50:45.843 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 23:50:45.843 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 23:50:45.843 INFO kablam! 
Oct 31 23:50:45.928 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 23:50:45.929 INFO kablam!   --> src/main.rs:34:5
Oct 31 23:50:45.929 INFO kablam!    |
Oct 31 23:50:45.929 INFO kablam! 34 |     f.read_to_string(&mut response);
Oct 31 23:50:45.929 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:50:45.929 INFO kablam!    |
Oct 31 23:50:45.929 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 23:50:45.929 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 23:50:45.929 INFO kablam! 
Oct 31 23:50:45.973 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Oct 31 23:50:45.978 INFO kablam! su: No module specific data is present
Oct 31 23:50:47.014 INFO running `"docker" "rm" "-f" "c1fa0c0acc5439e3357defc626d802a336651585247376ad0d623f3bd0536167"`
Oct 31 23:50:47.320 INFO blam! c1fa0c0acc5439e3357defc626d802a336651585247376ad0d623f3bd0536167