Oct 31 22:07:44.661 INFO checking rust-gjk/rim against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 22:07:44.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 22:07:45.262 INFO blam! bbec6dd6c21d231c08cac959a14d2f9dff742190b7c3726182acfdef0e32cb37
Oct 31 22:07:45.283 INFO running `"docker" "start" "-a" "bbec6dd6c21d231c08cac959a14d2f9dff742190b7c3726182acfdef0e32cb37"`
Oct 31 22:07:46.548 INFO kablam! usermod: no changes
Oct 31 22:07:46.624 INFO kablam!     Checking rim v0.1.0 (/source)
Oct 31 22:07:47.164 INFO kablam! warning: unused import: `Read`
Oct 31 22:07:47.164 INFO kablam!  --> src/main.rs:1:21
Oct 31 22:07:47.164 INFO kablam!   |
Oct 31 22:07:47.164 INFO kablam! 1 | use std::io::{self, Read, Write};
Oct 31 22:07:47.164 INFO kablam!   |                     ^^^^
Oct 31 22:07:47.164 INFO kablam!   |
Oct 31 22:07:47.164 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 22:07:47.164 INFO kablam! 
Oct 31 22:07:47.384 INFO kablam! warning: unused import: `Read`
Oct 31 22:07:47.384 INFO kablam!  --> src/main.rs:1:21
Oct 31 22:07:47.384 INFO kablam!   |
Oct 31 22:07:47.384 INFO kablam! 1 | use std::io::{self, Read, Write};
Oct 31 22:07:47.384 INFO kablam!   |                     ^^^^
Oct 31 22:07:47.384 INFO kablam!   |
Oct 31 22:07:47.384 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 22:07:47.384 INFO kablam! 
Oct 31 22:07:47.421 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:07:47.421 INFO kablam!  --> src/main.rs:6:6
Oct 31 22:07:47.421 INFO kablam!   |
Oct 31 22:07:47.421 INFO kablam! 6 |     let mut stdin = io::stdin();
Oct 31 22:07:47.421 INFO kablam!   |         ----^^^^^
Oct 31 22:07:47.421 INFO kablam!   |         |
Oct 31 22:07:47.421 INFO kablam!   |         help: remove this `mut`
Oct 31 22:07:47.421 INFO kablam!   |
Oct 31 22:07:47.421 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 31 22:07:47.421 INFO kablam! 
Oct 31 22:07:47.436 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 22:07:47.436 INFO kablam!  --> src/main.rs:8:2
Oct 31 22:07:47.436 INFO kablam!   |
Oct 31 22:07:47.436 INFO kablam! 8 |     stdin.read_line(&mut buf);
Oct 31 22:07:47.436 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:07:47.436 INFO kablam!   |
Oct 31 22:07:47.436 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 31 22:07:47.436 INFO kablam!   = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 22:07:47.436 INFO kablam! 
Oct 31 22:07:47.560 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:07:47.560 INFO kablam!  --> src/main.rs:6:6
Oct 31 22:07:47.560 INFO kablam!   |
Oct 31 22:07:47.560 INFO kablam! 6 |     let mut stdin = io::stdin();
Oct 31 22:07:47.560 INFO kablam!   |         ----^^^^^
Oct 31 22:07:47.560 INFO kablam!   |         |
Oct 31 22:07:47.560 INFO kablam!   |         help: remove this `mut`
Oct 31 22:07:47.560 INFO kablam!   |
Oct 31 22:07:47.560 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 31 22:07:47.560 INFO kablam! 
Oct 31 22:07:47.576 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 22:07:47.576 INFO kablam!  --> src/main.rs:8:2
Oct 31 22:07:47.576 INFO kablam!   |
Oct 31 22:07:47.576 INFO kablam! 8 |     stdin.read_line(&mut buf);
Oct 31 22:07:47.576 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:07:47.576 INFO kablam!   |
Oct 31 22:07:47.576 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 31 22:07:47.576 INFO kablam!   = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 22:07:47.576 INFO kablam! 
Oct 31 22:07:47.614 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Oct 31 22:07:47.618 INFO kablam! su: No module specific data is present
Oct 31 22:07:49.013 INFO running `"docker" "rm" "-f" "bbec6dd6c21d231c08cac959a14d2f9dff742190b7c3726182acfdef0e32cb37"`
Oct 31 22:07:49.340 INFO blam! bbec6dd6c21d231c08cac959a14d2f9dff742190b7c3726182acfdef0e32cb37