Dec 05 08:49:57.136 INFO checking prost-codegen-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:49:57.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 08:49:57.527 INFO [stdout] e52a08a49312aa92e8ef2489199db1768d28e338df1d40c9ccfa79a50553ad35
Dec 05 08:49:57.532 INFO running `"docker" "start" "-a" "e52a08a49312aa92e8ef2489199db1768d28e338df1d40c9ccfa79a50553ad35"`
Dec 05 08:49:59.270 INFO [stderr] usermod: no changes
Dec 05 08:49:59.359 INFO [stderr]    Compiling itertools v0.6.5
Dec 05 08:49:59.359 INFO [stderr]    Compiling error-chain v0.10.0
Dec 05 08:49:59.359 INFO [stderr]     Checking prost v0.1.0
Dec 05 08:50:01.876 INFO [stderr]    Compiling prost-derive v0.1.0
Dec 05 08:50:06.064 INFO [stderr]     Checking prost-codegen v0.1.0 (/source)
Dec 05 08:50:13.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
Dec 05 08:50:13.093 INFO [stderr] su: No module specific data is present
Dec 05 08:50:14.084 INFO running `"docker" "inspect" "e52a08a49312aa92e8ef2489199db1768d28e338df1d40c9ccfa79a50553ad35"`
Dec 05 08:50:14.444 INFO running `"docker" "rm" "-f" "e52a08a49312aa92e8ef2489199db1768d28e338df1d40c9ccfa79a50553ad35"`
Dec 05 08:50:14.811 INFO [stdout] e52a08a49312aa92e8ef2489199db1768d28e338df1d40c9ccfa79a50553ad35