Nov 01 07:55:42.250 INFO checking bjorn3/serviceworkify against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 07:55:42.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 07:55:42.395 INFO blam! d6698d439308d34d6a9c31d0b53693e4076877958d067e4c6cf4a8788ed33364
Nov 01 07:55:42.397 INFO running `"docker" "start" "-a" "d6698d439308d34d6a9c31d0b53693e4076877958d067e4c6cf4a8788ed33364"`
Nov 01 07:55:43.096 INFO kablam! usermod: no changes
Nov 01 07:55:43.285 INFO kablam!     Checking convenience v0.1.0
Nov 01 07:55:43.776 INFO kablam!     Checking serviceworkify v0.1.0 (/source)
Nov 01 07:55:45.688 INFO kablam! warning: variable does not need to be mutable
Nov 01 07:55:45.688 INFO kablam!   --> src/main.rs:27:32
Nov 01 07:55:45.688 INFO kablam!    |
Nov 01 07:55:45.688 INFO kablam! 27 | fn handler(mut s_req: Request, mut s_res: Response) {
Nov 01 07:55:45.688 INFO kablam!    |                                ----^^^^^
Nov 01 07:55:45.688 INFO kablam!    |                                |
Nov 01 07:55:45.688 INFO kablam!    |                                help: remove this `mut`
Nov 01 07:55:45.688 INFO kablam!    |
Nov 01 07:55:45.688 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 07:55:45.688 INFO kablam! 
Nov 01 07:55:45.752 INFO kablam! warning: variable does not need to be mutable
Nov 01 07:55:45.752 INFO kablam!   --> src/main.rs:27:32
Nov 01 07:55:45.752 INFO kablam!    |
Nov 01 07:55:45.752 INFO kablam! 27 | fn handler(mut s_req: Request, mut s_res: Response) {
Nov 01 07:55:45.752 INFO kablam!    |                                ----^^^^^
Nov 01 07:55:45.752 INFO kablam!    |                                |
Nov 01 07:55:45.752 INFO kablam!    |                                help: remove this `mut`
Nov 01 07:55:45.752 INFO kablam!    |
Nov 01 07:55:45.752 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 07:55:45.752 INFO kablam! 
Nov 01 07:55:45.796 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
Nov 01 07:55:45.800 INFO kablam! su: No module specific data is present
Nov 01 07:55:46.533 INFO running `"docker" "rm" "-f" "d6698d439308d34d6a9c31d0b53693e4076877958d067e4c6cf4a8788ed33364"`
Nov 01 07:55:46.725 INFO blam! d6698d439308d34d6a9c31d0b53693e4076877958d067e4c6cf4a8788ed33364