Dec 05 06:56:06.417 INFO checking serde-avro-0.5.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:56:06.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 06:56:06.895 INFO [stdout] b36365ae8c347ba7891686b55f3a96615b77a449879c5d9653873633286dcfb7
Dec 05 06:56:06.897 INFO running `"docker" "start" "-a" "b36365ae8c347ba7891686b55f3a96615b77a449879c5d9653873633286dcfb7"`
Dec 05 06:56:08.103 INFO [stderr] usermod: no changes
Dec 05 06:56:08.219 INFO [stderr]    Compiling serde-avro v0.5.0 (/source)
Dec 05 06:56:08.255 INFO [stderr]     Checking ordered-float v0.4.0
Dec 05 06:56:08.255 INFO [stderr]     Checking error-chain v0.9.0
Dec 05 06:56:09.243 INFO [stderr]     Checking serde-value v0.4.1
Dec 05 06:56:11.173 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:56:11.173 INFO [stderr]    --> src/de/read.rs:102:13
Dec 05 06:56:11.173 INFO [stderr]     |
Dec 05 06:56:11.173 INFO [stderr] 102 |         let mut buffer = self.current_block.get_mut();
Dec 05 06:56:11.173 INFO [stderr]     |             ----^^^^^^
Dec 05 06:56:11.173 INFO [stderr]     |             |
Dec 05 06:56:11.173 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:56:11.173 INFO [stderr]     |
Dec 05 06:56:11.173 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:56:11.173 INFO [stderr] 
Dec 05 06:56:12.777 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:56:12.777 INFO [stderr]    --> src/de/read.rs:102:13
Dec 05 06:56:12.777 INFO [stderr]     |
Dec 05 06:56:12.777 INFO [stderr] 102 |         let mut buffer = self.current_block.get_mut();
Dec 05 06:56:12.778 INFO [stderr]     |             ----^^^^^^
Dec 05 06:56:12.778 INFO [stderr]     |             |
Dec 05 06:56:12.778 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:56:12.778 INFO [stderr]     |
Dec 05 06:56:12.778 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:56:12.778 INFO [stderr] 
Dec 05 06:56:14.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
Dec 05 06:56:14.191 INFO [stderr] su: No module specific data is present
Dec 05 06:56:14.551 INFO running `"docker" "inspect" "b36365ae8c347ba7891686b55f3a96615b77a449879c5d9653873633286dcfb7"`
Dec 05 06:56:14.679 INFO running `"docker" "rm" "-f" "b36365ae8c347ba7891686b55f3a96615b77a449879c5d9653873633286dcfb7"`
Dec 05 06:56:14.951 INFO [stdout] b36365ae8c347ba7891686b55f3a96615b77a449879c5d9653873633286dcfb7