Nov 04 13:54:57.389 INFO checking Ermain-12/Introduction-to-Rust against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 13:54:57.390 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 13:54:57.747 INFO blam! b5e7a51b554bc7cc00b1ab9b336efee05d754c06b36d3857ca7943dabca74aec
Nov 04 13:54:57.751 INFO running `"docker" "start" "-a" "b5e7a51b554bc7cc00b1ab9b336efee05d754c06b36d3857ca7943dabca74aec"`
Nov 04 13:54:58.379 INFO kablam! usermod: no changes
Nov 04 13:54:58.475 INFO kablam!     Checking hello_world v0.1.0 (/source)
Nov 04 13:54:59.371 INFO kablam! warning: variable does not need to be mutable
Nov 04 13:54:59.371 INFO kablam!   --> src/main.rs:27:8
Nov 04 13:54:59.371 INFO kablam!    |
Nov 04 13:54:59.371 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 04 13:54:59.371 INFO kablam!    |        ----^^^^^^^^^^
Nov 04 13:54:59.371 INFO kablam!    |        |
Nov 04 13:54:59.371 INFO kablam!    |        help: remove this `mut`
Nov 04 13:54:59.371 INFO kablam!    |
Nov 04 13:54:59.371 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 13:54:59.371 INFO kablam! 
Nov 04 13:54:59.527 INFO kablam! warning: variable does not need to be mutable
Nov 04 13:54:59.527 INFO kablam!   --> src/main.rs:27:8
Nov 04 13:54:59.527 INFO kablam!    |
Nov 04 13:54:59.527 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 04 13:54:59.527 INFO kablam!    |        ----^^^^^^^^^^
Nov 04 13:54:59.527 INFO kablam!    |        |
Nov 04 13:54:59.527 INFO kablam!    |        help: remove this `mut`
Nov 04 13:54:59.527 INFO kablam!    |
Nov 04 13:54:59.527 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 13:54:59.527 INFO kablam! 
Nov 04 13:54:59.556 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 04 13:54:59.560 INFO kablam! su: No module specific data is present
Nov 04 13:55:00.079 INFO running `"docker" "rm" "-f" "b5e7a51b554bc7cc00b1ab9b336efee05d754c06b36d3857ca7943dabca74aec"`
Nov 04 13:55:00.294 INFO blam! b5e7a51b554bc7cc00b1ab9b336efee05d754c06b36d3857ca7943dabca74aec