Dec 12 04:38:18.387 INFO checking xdrgen-0.4.4 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:38:18.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 04:38:18.545 INFO [stdout] 9791081d7599ce6cf5a690733a2dcdca373bea2d73537886af5f6a07088d8412
Dec 12 04:38:18.550 INFO running `"docker" "start" "-a" "9791081d7599ce6cf5a690733a2dcdca373bea2d73537886af5f6a07088d8412"`
Dec 12 04:38:19.081 INFO [stderr] usermod: no changes
Dec 12 04:38:19.195 INFO [stderr]     Checking nom v3.2.1
Dec 12 04:38:19.196 INFO [stderr]     Checking error-chain v0.10.0
Dec 12 04:38:19.196 INFO [stderr]     Checking env_logger v0.4.3
Dec 12 04:38:21.378 INFO [stderr]     Checking xdr-codec v0.4.4
Dec 12 04:38:23.501 INFO [stderr]     Checking xdrgen v0.4.4 (/source)
Dec 12 04:38:27.844 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:38:27.844 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 12 04:38:27.844 INFO [stderr]     |
Dec 12 04:38:27.844 INFO [stderr] 225 |         let mut memo = match memo {
Dec 12 04:38:27.844 INFO [stderr]     |             ----^^^^
Dec 12 04:38:27.844 INFO [stderr]     |             |
Dec 12 04:38:27.844 INFO [stderr]     |             help: remove this `mut`
Dec 12 04:38:27.844 INFO [stderr]     |
Dec 12 04:38:27.844 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 04:38:27.844 INFO [stderr] 
Dec 12 04:38:29.048 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:38:29.048 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 12 04:38:29.048 INFO [stderr]     |
Dec 12 04:38:29.048 INFO [stderr] 225 |         let mut memo = match memo {
Dec 12 04:38:29.048 INFO [stderr]     |             ----^^^^
Dec 12 04:38:29.048 INFO [stderr]     |             |
Dec 12 04:38:29.048 INFO [stderr]     |             help: remove this `mut`
Dec 12 04:38:29.048 INFO [stderr]     |
Dec 12 04:38:29.048 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 04:38:29.048 INFO [stderr] 
Dec 12 04:38:32.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
Dec 12 04:38:32.108 INFO [stderr] su: No module specific data is present
Dec 12 04:38:32.927 INFO running `"docker" "inspect" "9791081d7599ce6cf5a690733a2dcdca373bea2d73537886af5f6a07088d8412"`
Dec 12 04:38:33.288 INFO running `"docker" "rm" "-f" "9791081d7599ce6cf5a690733a2dcdca373bea2d73537886af5f6a07088d8412"`
Dec 12 04:38:33.700 INFO [stdout] 9791081d7599ce6cf5a690733a2dcdca373bea2d73537886af5f6a07088d8412