Nov 01 16:50:20.418 INFO checking rusty-sandbox-0.1.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 16:50:20.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 16:50:20.831 INFO blam! a026b470a45e88d2fcfabc046d9dfa1886ca57803d03b4b789b81eca6e4aaa7b
Nov 01 16:50:20.832 INFO running `"docker" "start" "-a" "a026b470a45e88d2fcfabc046d9dfa1886ca57803d03b4b789b81eca6e4aaa7b"`
Nov 01 16:50:21.483 INFO kablam! usermod: no changes
Nov 01 16:50:21.502 INFO kablam!     Checking unix_socket v0.5.0
Nov 01 16:50:22.176 INFO kablam!     Checking rusty-sandbox v0.1.0 (/source)
Nov 01 16:50:23.038 INFO kablam! warning: variable does not need to be mutable
Nov 01 16:50:23.039 INFO kablam!    --> src/lib.rs:116:13
Nov 01 16:50:23.039 INFO kablam!     |
Nov 01 16:50:23.039 INFO kablam! 116 |         let mut f = File::open("UNLICENSE").unwrap();
Nov 01 16:50:23.039 INFO kablam!     |             ----^
Nov 01 16:50:23.039 INFO kablam!     |             |
Nov 01 16:50:23.039 INFO kablam!     |             help: remove this `mut`
Nov 01 16:50:23.039 INFO kablam!     |
Nov 01 16:50:23.039 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 16:50:23.039 INFO kablam! 
Nov 01 16:50:23.039 INFO kablam! warning: variable does not need to be mutable
Nov 01 16:50:23.039 INFO kablam!    --> src/lib.rs:117:13
Nov 01 16:50:23.039 INFO kablam!     |
Nov 01 16:50:23.039 INFO kablam! 117 |         let mut process = Sandbox::new()
Nov 01 16:50:23.039 INFO kablam!     |             ----^^^^^^^
Nov 01 16:50:23.039 INFO kablam!     |             |
Nov 01 16:50:23.039 INFO kablam!     |             help: remove this `mut`
Nov 01 16:50:23.039 INFO kablam! 
Nov 01 16:50:23.064 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Nov 01 16:50:23.064 INFO kablam! su: No module specific data is present
Nov 01 16:50:23.684 INFO running `"docker" "rm" "-f" "a026b470a45e88d2fcfabc046d9dfa1886ca57803d03b4b789b81eca6e4aaa7b"`
Nov 01 16:50:24.021 INFO blam! a026b470a45e88d2fcfabc046d9dfa1886ca57803d03b4b789b81eca6e4aaa7b