Dec 05 03:50:33.237 INFO checking zipkin-0.3.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:50:33.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 03:50:33.614 INFO [stdout] 3bfd407c4e65871f3dfc591f5ad5c895cb71ba2329bd1c1c3e0bed862b2b1c27
Dec 05 03:50:33.621 INFO running `"docker" "start" "-a" "3bfd407c4e65871f3dfc591f5ad5c895cb71ba2329bd1c1c3e0bed862b2b1c27"`
Dec 05 03:50:35.194 INFO [stderr] usermod: no changes
Dec 05 03:50:35.299 INFO [stderr]    Compiling libc v0.2.44
Dec 05 03:50:35.299 INFO [stderr]     Checking zipkin-types v0.1.0
Dec 05 03:50:35.303 INFO [stderr]     Checking thread-local-object v0.1.0
Dec 05 03:50:37.859 INFO [stderr]     Checking rand v0.6.1
Dec 05 03:50:40.399 INFO [stderr]     Checking zipkin v0.3.2 (/source)
Dec 05 03:50:42.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
Dec 05 03:50:42.715 INFO [stderr] su: No module specific data is present
Dec 05 03:50:43.368 INFO running `"docker" "inspect" "3bfd407c4e65871f3dfc591f5ad5c895cb71ba2329bd1c1c3e0bed862b2b1c27"`
Dec 05 03:50:43.687 INFO running `"docker" "rm" "-f" "3bfd407c4e65871f3dfc591f5ad5c895cb71ba2329bd1c1c3e0bed862b2b1c27"`
Dec 05 03:50:44.019 INFO [stdout] 3bfd407c4e65871f3dfc591f5ad5c895cb71ba2329bd1c1c3e0bed862b2b1c27