Dec 12 07:46:40.181 INFO checking serde-avro-0.5.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:46:40.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 07:46:40.568 INFO [stdout] 437d5a2fd2c97e432e34a0a24902f3874ba0ac4fa4a9d24b3b5cf1350aeb95ae
Dec 12 07:46:40.572 INFO running `"docker" "start" "-a" "437d5a2fd2c97e432e34a0a24902f3874ba0ac4fa4a9d24b3b5cf1350aeb95ae"`
Dec 12 07:46:41.368 INFO [stderr] usermod: no changes
Dec 12 07:46:41.524 INFO [stderr]    Compiling serde-avro v0.5.0 (/source)
Dec 12 07:46:41.560 INFO [stderr]     Checking ordered-float v0.4.0
Dec 12 07:46:41.560 INFO [stderr]     Checking serde_json v0.9.10
Dec 12 07:46:41.560 INFO [stderr]     Checking error-chain v0.9.0
Dec 12 07:46:43.472 INFO [stderr]     Checking serde-value v0.4.1
Dec 12 07:46:47.485 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:46:47.485 INFO [stderr]    --> src/de/read.rs:102:13
Dec 12 07:46:47.485 INFO [stderr]     |
Dec 12 07:46:47.485 INFO [stderr] 102 |         let mut buffer = self.current_block.get_mut();
Dec 12 07:46:47.485 INFO [stderr]     |             ----^^^^^^
Dec 12 07:46:47.485 INFO [stderr]     |             |
Dec 12 07:46:47.485 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:46:47.485 INFO [stderr]     |
Dec 12 07:46:47.485 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 07:46:47.485 INFO [stderr] 
Dec 12 07:46:47.892 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:46:47.892 INFO [stderr]    --> src/de/read.rs:102:13
Dec 12 07:46:47.892 INFO [stderr]     |
Dec 12 07:46:47.892 INFO [stderr] 102 |         let mut buffer = self.current_block.get_mut();
Dec 12 07:46:47.892 INFO [stderr]     |             ----^^^^^^
Dec 12 07:46:47.892 INFO [stderr]     |             |
Dec 12 07:46:47.892 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:46:47.892 INFO [stderr]     |
Dec 12 07:46:47.892 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 07:46:47.892 INFO [stderr] 
Dec 12 07:46:52.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
Dec 12 07:46:52.196 INFO [stderr] su: No module specific data is present
Dec 12 07:46:52.944 INFO running `"docker" "inspect" "437d5a2fd2c97e432e34a0a24902f3874ba0ac4fa4a9d24b3b5cf1350aeb95ae"`
Dec 12 07:46:53.258 INFO running `"docker" "rm" "-f" "437d5a2fd2c97e432e34a0a24902f3874ba0ac4fa4a9d24b3b5cf1350aeb95ae"`
Dec 12 07:46:53.520 INFO [stdout] 437d5a2fd2c97e432e34a0a24902f3874ba0ac4fa4a9d24b3b5cf1350aeb95ae