Nov 09 20:08:30.381 INFO checking Ermain-12/Introduction-to-Rust against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 20:08:30.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 20:08:30.840 INFO blam! b0157fe6a0091592fd5c10a00230c6acc797db6f2b179a5d4b999d25aca7fea2
Nov 09 20:08:30.841 INFO running `"docker" "start" "-a" "b0157fe6a0091592fd5c10a00230c6acc797db6f2b179a5d4b999d25aca7fea2"`
Nov 09 20:08:32.167 INFO kablam! usermod: no changes
Nov 09 20:08:32.267 INFO kablam!     Checking hello_world v0.1.0 (/source)
Nov 09 20:08:33.563 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:08:33.563 INFO kablam!   --> src/main.rs:27:8
Nov 09 20:08:33.563 INFO kablam!    |
Nov 09 20:08:33.563 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 09 20:08:33.563 INFO kablam!    |        ----^^^^^^^^^^
Nov 09 20:08:33.563 INFO kablam!    |        |
Nov 09 20:08:33.563 INFO kablam!    |        help: remove this `mut`
Nov 09 20:08:33.568 INFO kablam!    |
Nov 09 20:08:33.568 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:08:33.568 INFO kablam! 
Nov 09 20:08:33.711 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:08:33.711 INFO kablam!   --> src/main.rs:27:8
Nov 09 20:08:33.711 INFO kablam!    |
Nov 09 20:08:33.711 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 09 20:08:33.711 INFO kablam!    |        ----^^^^^^^^^^
Nov 09 20:08:33.711 INFO kablam!    |        |
Nov 09 20:08:33.711 INFO kablam!    |        help: remove this `mut`
Nov 09 20:08:33.711 INFO kablam!    |
Nov 09 20:08:33.711 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:08:33.711 INFO kablam! 
Nov 09 20:08:33.735 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Nov 09 20:08:33.738 INFO kablam! su: No module specific data is present
Nov 09 20:08:34.465 INFO running `"docker" "rm" "-f" "b0157fe6a0091592fd5c10a00230c6acc797db6f2b179a5d4b999d25aca7fea2"`
Nov 09 20:08:34.581 INFO blam! b0157fe6a0091592fd5c10a00230c6acc797db6f2b179a5d4b999d25aca7fea2