Dec 12 04:20:59.101 INFO checking zipkin-0.3.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 04:20:59.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 04:20:59.532 INFO [stdout] aba273d14866a9dae1535f5dc7e4d8377ff8a8a1125bccc8dc627b1007e63228
Dec 12 04:20:59.538 INFO running `"docker" "start" "-a" "aba273d14866a9dae1535f5dc7e4d8377ff8a8a1125bccc8dc627b1007e63228"`
Dec 12 04:21:01.312 INFO [stderr] usermod: no changes
Dec 12 04:21:01.452 INFO [stderr]    Compiling libc v0.2.45
Dec 12 04:21:01.452 INFO [stderr]     Checking zipkin-types v0.1.0
Dec 12 04:21:01.460 INFO [stderr]     Checking thread-local-object v0.1.0
Dec 12 04:21:04.556 INFO [stderr]     Checking rand v0.6.1
Dec 12 04:21:07.252 INFO [stderr]     Checking zipkin v0.3.2 (/source)
Dec 12 04:21:09.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
Dec 12 04:21:09.781 INFO [stderr] su: No module specific data is present
Dec 12 04:21:10.660 INFO running `"docker" "inspect" "aba273d14866a9dae1535f5dc7e4d8377ff8a8a1125bccc8dc627b1007e63228"`
Dec 12 04:21:10.970 INFO running `"docker" "rm" "-f" "aba273d14866a9dae1535f5dc7e4d8377ff8a8a1125bccc8dc627b1007e63228"`
Dec 12 04:21:11.204 INFO [stdout] aba273d14866a9dae1535f5dc7e4d8377ff8a8a1125bccc8dc627b1007e63228