Dec 12 12:43:13.139 INFO checking iron-params-0.1.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:43:13.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 12:43:13.488 INFO [stdout] 72d66360b40781ea5e757b7d3ce85934fcedf50c42838bc283140af7860f0510
Dec 12 12:43:13.494 INFO running `"docker" "start" "-a" "72d66360b40781ea5e757b7d3ce85934fcedf50c42838bc283140af7860f0510"`
Dec 12 12:43:15.228 INFO [stderr] usermod: no changes
Dec 12 12:43:15.313 INFO [stderr]     Checking iron-params v0.1.3 (/source)
Dec 12 12:43:18.960 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:43:18.960 INFO [stderr]   --> src/lib.rs:67:9
Dec 12 12:43:18.960 INFO [stderr]    |
Dec 12 12:43:18.960 INFO [stderr] 67 |     let mut reader = &mut req.body;
Dec 12 12:43:18.960 INFO [stderr]    |         ----^^^^^^
Dec 12 12:43:18.960 INFO [stderr]    |         |
Dec 12 12:43:18.960 INFO [stderr]    |         help: remove this `mut`
Dec 12 12:43:18.960 INFO [stderr]    |
Dec 12 12:43:18.960 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:43:18.960 INFO [stderr] 
Dec 12 12:43:19.428 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:43:19.428 INFO [stderr]   --> src/lib.rs:67:9
Dec 12 12:43:19.428 INFO [stderr]    |
Dec 12 12:43:19.428 INFO [stderr] 67 |     let mut reader = &mut req.body;
Dec 12 12:43:19.428 INFO [stderr]    |         ----^^^^^^
Dec 12 12:43:19.428 INFO [stderr]    |         |
Dec 12 12:43:19.428 INFO [stderr]    |         help: remove this `mut`
Dec 12 12:43:19.428 INFO [stderr]    |
Dec 12 12:43:19.428 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:43:19.428 INFO [stderr] 
Dec 12 12:43:21.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
Dec 12 12:43:21.628 INFO [stderr] su: No module specific data is present
Dec 12 12:43:22.134 INFO running `"docker" "inspect" "72d66360b40781ea5e757b7d3ce85934fcedf50c42838bc283140af7860f0510"`
Dec 12 12:43:22.299 INFO running `"docker" "rm" "-f" "72d66360b40781ea5e757b7d3ce85934fcedf50c42838bc283140af7860f0510"`
Dec 12 12:43:22.398 INFO [stdout] 72d66360b40781ea5e757b7d3ce85934fcedf50c42838bc283140af7860f0510