Dec 14 13:29:05.365 INFO testing xdrgen-0.4.4 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 13:29:05.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 13:29:05.637 INFO [stdout] 7138ce6d4d72a6b2aebb816df12d7b26d80be1f445f344a3f2e11c203d045131
Dec 14 13:29:05.640 INFO running `"docker" "start" "-a" "7138ce6d4d72a6b2aebb816df12d7b26d80be1f445f344a3f2e11c203d045131"`
Dec 14 13:29:06.195 INFO [stderr] usermod: no changes
Dec 14 13:29:06.327 INFO [stderr]    Compiling memchr v1.0.2
Dec 14 13:29:06.328 INFO [stderr]    Compiling error-chain v0.10.0
Dec 14 13:29:07.018 INFO [stderr]    Compiling nom v3.2.1
Dec 14 13:29:07.456 INFO [stderr]    Compiling xdr-codec v0.4.4
Dec 14 13:29:10.935 INFO [stderr]    Compiling xdrgen v0.4.4 (/source)
Dec 14 13:29:13.550 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:29:13.550 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 14 13:29:13.550 INFO [stderr]     |
Dec 14 13:29:13.550 INFO [stderr] 225 |         let mut memo = match memo {
Dec 14 13:29:13.550 INFO [stderr]     |             ----^^^^
Dec 14 13:29:13.550 INFO [stderr]     |             |
Dec 14 13:29:13.550 INFO [stderr]     |             help: remove this `mut`
Dec 14 13:29:13.550 INFO [stderr]     |
Dec 14 13:29:13.550 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 13:29:13.550 INFO [stderr] 
Dec 14 13:29:23.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
Dec 14 13:29:23.425 INFO [stderr] su: No module specific data is present
Dec 14 13:29:24.963 INFO running `"docker" "inspect" "7138ce6d4d72a6b2aebb816df12d7b26d80be1f445f344a3f2e11c203d045131"`
Dec 14 13:29:25.237 INFO running `"docker" "rm" "-f" "7138ce6d4d72a6b2aebb816df12d7b26d80be1f445f344a3f2e11c203d045131"`
Dec 14 13:29:25.603 INFO [stdout] 7138ce6d4d72a6b2aebb816df12d7b26d80be1f445f344a3f2e11c203d045131
Dec 14 13:29:25.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 13:29:26.164 INFO [stdout] 39372e74bd5ac4c123d507bfb1209b0a6ebdc3dac5fe8ca3acad773d531e0f54
Dec 14 13:29:26.166 INFO running `"docker" "start" "-a" "39372e74bd5ac4c123d507bfb1209b0a6ebdc3dac5fe8ca3acad773d531e0f54"`
Dec 14 13:29:27.861 INFO [stderr] usermod: no changes
Dec 14 13:29:28.005 INFO [stderr]    Compiling tempdir v0.3.7
Dec 14 13:29:28.888 INFO [stderr]    Compiling xdrgen v0.4.4 (/source)
Dec 14 13:29:32.459 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:29:32.459 INFO [stderr]    --> src/spec/mod.rs:225:13
Dec 14 13:29:32.459 INFO [stderr]     |
Dec 14 13:29:32.459 INFO [stderr] 225 |         let mut memo = match memo {
Dec 14 13:29:32.459 INFO [stderr]     |             ----^^^^
Dec 14 13:29:32.459 INFO [stderr]     |             |
Dec 14 13:29:32.459 INFO [stderr]     |             help: remove this `mut`
Dec 14 13:29:32.459 INFO [stderr]     |
Dec 14 13:29:32.459 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 13:29:32.459 INFO [stderr] 
Dec 14 13:29:36.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
Dec 14 13:29:36.273 INFO [stderr] su: No module specific data is present
Dec 14 13:29:37.303 INFO running `"docker" "inspect" "39372e74bd5ac4c123d507bfb1209b0a6ebdc3dac5fe8ca3acad773d531e0f54"`
Dec 14 13:29:37.576 INFO running `"docker" "rm" "-f" "39372e74bd5ac4c123d507bfb1209b0a6ebdc3dac5fe8ca3acad773d531e0f54"`
Dec 14 13:29:37.823 INFO [stdout] 39372e74bd5ac4c123d507bfb1209b0a6ebdc3dac5fe8ca3acad773d531e0f54