Nov 18 09:52:41.086 INFO testing hbs-pow-0.2.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 09:52:41.086 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 09:52:41.452 INFO [stdout] 7b61fdabfc8ae91b84117717c52234679b1cb252d09bc18a687e8d5cde5880c1
Nov 18 09:52:41.461 INFO running `"docker" "start" "-a" "7b61fdabfc8ae91b84117717c52234679b1cb252d09bc18a687e8d5cde5880c1"`
Nov 18 09:52:42.406 INFO [stderr] usermod: no changes
Nov 18 09:52:42.499 INFO [stderr]    Compiling hbs-common-sys v0.2.1
Nov 18 09:52:42.511 INFO [stderr]    Compiling hbs-builder v0.2.1
Nov 18 09:52:43.511 INFO [stderr]    Compiling hbs-pow-sys v0.2.1
Nov 18 09:52:49.287 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Nov 18 09:52:50.150 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
Nov 18 09:52:50.152 INFO [stderr] su: No module specific data is present
Nov 18 09:52:50.702 INFO running `"docker" "inspect" "7b61fdabfc8ae91b84117717c52234679b1cb252d09bc18a687e8d5cde5880c1"`
Nov 18 09:52:50.895 INFO running `"docker" "rm" "-f" "7b61fdabfc8ae91b84117717c52234679b1cb252d09bc18a687e8d5cde5880c1"`
Nov 18 09:52:51.091 INFO [stdout] 7b61fdabfc8ae91b84117717c52234679b1cb252d09bc18a687e8d5cde5880c1
Nov 18 09:52:51.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 09:52:51.431 INFO [stdout] f44ad155fbb7218e9d0145803a0fe46fb7dca30e939a263e53bb7c0d7bf9b98e
Nov 18 09:52:51.439 INFO running `"docker" "start" "-a" "f44ad155fbb7218e9d0145803a0fe46fb7dca30e939a263e53bb7c0d7bf9b98e"`
Nov 18 09:52:52.316 INFO [stderr] usermod: no changes
Nov 18 09:52:52.374 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Nov 18 09:52:53.134 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Nov 18 09:52:53.134 INFO [stderr]    --> lib.rs:212:9
Nov 18 09:52:53.134 INFO [stderr]     |
Nov 18 09:52:53.134 INFO [stderr] 212 |         static mut received_cb: bool = false;
Nov 18 09:52:53.134 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 09:52:53.134 INFO [stderr] 
Nov 18 09:52:53.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Nov 18 09:52:53.627 INFO [stderr] su: No module specific data is present
Nov 18 09:52:54.179 INFO running `"docker" "inspect" "f44ad155fbb7218e9d0145803a0fe46fb7dca30e939a263e53bb7c0d7bf9b98e"`
Nov 18 09:52:54.382 INFO running `"docker" "rm" "-f" "f44ad155fbb7218e9d0145803a0fe46fb7dca30e939a263e53bb7c0d7bf9b98e"`
Nov 18 09:52:54.573 INFO [stdout] f44ad155fbb7218e9d0145803a0fe46fb7dca30e939a263e53bb7c0d7bf9b98e