Dec 12 06:09:51.192 INFO checking tlv-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:09:51.192 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06:09:51.756 INFO [stdout] f6bbe649700f5836acea3c8a651aa36501f38a5660a9c649774976a758a5c49c
Dec 12 06:09:51.764 INFO running `"docker" "start" "-a" "f6bbe649700f5836acea3c8a651aa36501f38a5660a9c649774976a758a5c49c"`
Dec 12 06:09:53.613 INFO [stderr] usermod: no changes
Dec 12 06:09:53.699 INFO [stderr]     Checking tlv v0.2.0 (/source)
Dec 12 06:09:54.260 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:09:54.260 INFO [stderr]   --> src/lib.rs:35:36
Dec 12 06:09:54.260 INFO [stderr]    |
Dec 12 06:09:54.260 INFO [stderr] 35 | pub fn decode<T: std::io::BufRead>(mut buf: &mut T) -> Result<HashMap<u16, String>, std::io::Error> {
Dec 12 06:09:54.260 INFO [stderr]    |                                    ----^^^
Dec 12 06:09:54.260 INFO [stderr]    |                                    |
Dec 12 06:09:54.260 INFO [stderr]    |                                    help: remove this `mut`
Dec 12 06:09:54.260 INFO [stderr]    |
Dec 12 06:09:54.260 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 06:09:54.260 INFO [stderr] 
Dec 12 06:09:54.292 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:09:54.292 INFO [stderr]   --> src/lib.rs:35:36
Dec 12 06:09:54.292 INFO [stderr]    |
Dec 12 06:09:54.292 INFO [stderr] 35 | pub fn decode<T: std::io::BufRead>(mut buf: &mut T) -> Result<HashMap<u16, String>, std::io::Error> {
Dec 12 06:09:54.292 INFO [stderr]    |                                    ----^^^
Dec 12 06:09:54.292 INFO [stderr]    |                                    |
Dec 12 06:09:54.292 INFO [stderr]    |                                    help: remove this `mut`
Dec 12 06:09:54.292 INFO [stderr]    |
Dec 12 06:09:54.292 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 06:09:54.292 INFO [stderr] 
Dec 12 06:09:54.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 12 06:09:54.309 INFO [stderr] su: No module specific data is present
Dec 12 06:09:54.718 INFO running `"docker" "inspect" "f6bbe649700f5836acea3c8a651aa36501f38a5660a9c649774976a758a5c49c"`
Dec 12 06:09:55.032 INFO running `"docker" "rm" "-f" "f6bbe649700f5836acea3c8a651aa36501f38a5660a9c649774976a758a5c49c"`
Dec 12 06:09:55.334 INFO [stdout] f6bbe649700f5836acea3c8a651aa36501f38a5660a9c649774976a758a5c49c