Nov 01 16:50:18.842 INFO checking rusty-sandbox-0.1.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 16:50:18.843 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"`
Nov 01 16:50:19.279 INFO blam! d590a4c955a99de6a344460a4c6550199b7c8220486a3f9bf4ab9a60dc13139b
Nov 01 16:50:19.279 INFO running `"docker" "start" "-a" "d590a4c955a99de6a344460a4c6550199b7c8220486a3f9bf4ab9a60dc13139b"`
Nov 01 16:50:20.554 INFO kablam! usermod: no changes
Nov 01 16:50:20.614 INFO kablam!     Checking rusty-sandbox v0.1.0 (/source)
Nov 01 16:50:21.434 INFO kablam! warning: variable does not need to be mutable
Nov 01 16:50:21.434 INFO kablam!    --> src/lib.rs:116:13
Nov 01 16:50:21.434 INFO kablam!     |
Nov 01 16:50:21.434 INFO kablam! 116 |         let mut f = File::open("UNLICENSE").unwrap();
Nov 01 16:50:21.434 INFO kablam!     |             ----^
Nov 01 16:50:21.434 INFO kablam!     |             |
Nov 01 16:50:21.434 INFO kablam!     |             help: remove this `mut`
Nov 01 16:50:21.434 INFO kablam!     |
Nov 01 16:50:21.434 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 16:50:21.434 INFO kablam! 
Nov 01 16:50:21.434 INFO kablam! warning: variable does not need to be mutable
Nov 01 16:50:21.434 INFO kablam!    --> src/lib.rs:117:13
Nov 01 16:50:21.434 INFO kablam!     |
Nov 01 16:50:21.434 INFO kablam! 117 |         let mut process = Sandbox::new()
Nov 01 16:50:21.434 INFO kablam!     |             ----^^^^^^^
Nov 01 16:50:21.434 INFO kablam!     |             |
Nov 01 16:50:21.434 INFO kablam!     |             help: remove this `mut`
Nov 01 16:50:21.434 INFO kablam! 
Nov 01 16:50:21.476 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Nov 01 16:50:21.476 INFO kablam! su: No module specific data is present
Nov 01 16:50:21.908 INFO running `"docker" "rm" "-f" "d590a4c955a99de6a344460a4c6550199b7c8220486a3f9bf4ab9a60dc13139b"`
Nov 01 16:50:21.994 INFO blam! d590a4c955a99de6a344460a4c6550199b7c8220486a3f9bf4ab9a60dc13139b