Dec 18 09:05:49.606 INFO checking xdrgen-0.4.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:05:49.606 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/xdrgen/0.4.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:05:49.955 INFO [stdout] fa7640d051bb44267d20b1f0d5ccec35551dff26475a2c1c71906a83de897a8b
Dec 18 09:05:49.957 INFO running `"docker" "start" "-a" "fa7640d051bb44267d20b1f0d5ccec35551dff26475a2c1c71906a83de897a8b"`
Dec 18 09:05:50.647 INFO [stderr]     Checking memchr v1.0.2
Dec 18 09:05:50.647 INFO [stderr]     Checking xdr-codec v0.4.4
Dec 18 09:05:50.647 INFO [stderr]     Checking env_logger v0.4.3
Dec 18 09:05:50.952 INFO [stderr]     Checking nom v3.2.1
Dec 18 09:05:53.160 INFO [stderr]     Checking xdrgen v0.4.4 (/opt/crater/workdir)
Dec 18 09:05:56.426 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:05:56.426 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 18 09:05:56.426 INFO [stderr]     |
Dec 18 09:05:56.426 INFO [stderr] 225 |         let mut memo = match memo {
Dec 18 09:05:56.426 INFO [stderr]     |             ----^^^^
Dec 18 09:05:56.426 INFO [stderr]     |             |
Dec 18 09:05:56.426 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:05:56.426 INFO [stderr]     |
Dec 18 09:05:56.426 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:05:56.426 INFO [stderr] 
Dec 18 09:05:56.966 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:05:56.966 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 18 09:05:56.966 INFO [stderr]     |
Dec 18 09:05:56.967 INFO [stderr] 225 |         let mut memo = match memo {
Dec 18 09:05:56.967 INFO [stderr]     |             ----^^^^
Dec 18 09:05:56.967 INFO [stderr]     |             |
Dec 18 09:05:56.967 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:05:56.968 INFO [stderr]     |
Dec 18 09:05:56.968 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:05:56.968 INFO [stderr] 
Dec 18 09:05:58.869 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
Dec 18 09:06:00.121 INFO running `"docker" "inspect" "fa7640d051bb44267d20b1f0d5ccec35551dff26475a2c1c71906a83de897a8b"`
Dec 18 09:06:00.368 INFO running `"docker" "rm" "-f" "fa7640d051bb44267d20b1f0d5ccec35551dff26475a2c1c71906a83de897a8b"`
Dec 18 09:06:00.796 INFO [stdout] fa7640d051bb44267d20b1f0d5ccec35551dff26475a2c1c71906a83de897a8b