Dec 15 09:04:53.170 INFO testing hbs-acc-pow-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 09:04:53.170 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 15 09:04:53.414 INFO [stdout] afe118fd6703031911d2a9ec2e13eb70d055f71ed5e0ae4cba394dd7c5c4cfd9
Dec 15 09:04:53.416 INFO running `"docker" "start" "-a" "afe118fd6703031911d2a9ec2e13eb70d055f71ed5e0ae4cba394dd7c5c4cfd9"`
Dec 15 09:04:53.796 INFO [stderr] usermod: no changes
Dec 15 09:04:53.836 INFO [stderr]    Compiling hbs-acc-pow-sys v0.2.1
Dec 15 09:04:58.007 INFO [stderr]    Compiling hbs-acc-pow v0.2.0 (/source)
Dec 15 09:04:59.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
Dec 15 09:04:59.083 INFO [stderr] su: No module specific data is present
Dec 15 09:04:59.901 INFO running `"docker" "inspect" "afe118fd6703031911d2a9ec2e13eb70d055f71ed5e0ae4cba394dd7c5c4cfd9"`
Dec 15 09:05:00.205 INFO running `"docker" "rm" "-f" "afe118fd6703031911d2a9ec2e13eb70d055f71ed5e0ae4cba394dd7c5c4cfd9"`
Dec 15 09:05:00.479 INFO [stdout] afe118fd6703031911d2a9ec2e13eb70d055f71ed5e0ae4cba394dd7c5c4cfd9
Dec 15 09:05:00.487 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 15 09:05:01.036 INFO [stdout] 45422eef4a2ee6f8d2f7ad4feac5ccffea61a6abc5ad1f53fbfdfe6c47828f14
Dec 15 09:05:01.038 INFO running `"docker" "start" "-a" "45422eef4a2ee6f8d2f7ad4feac5ccffea61a6abc5ad1f53fbfdfe6c47828f14"`
Dec 15 09:05:02.427 INFO [stderr] usermod: no changes
Dec 15 09:05:02.547 INFO [stderr]    Compiling hbs-acc-pow v0.2.0 (/source)
Dec 15 09:05:03.487 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Dec 15 09:05:03.487 INFO [stderr]    --> lib.rs:251:9
Dec 15 09:05:03.487 INFO [stderr]     |
Dec 15 09:05:03.487 INFO [stderr] 251 |         static mut received_cb: bool = false;
Dec 15 09:05:03.487 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:05:03.487 INFO [stderr] 
Dec 15 09:05:04.138 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 15 09:05:04.139 INFO [stderr] su: No module specific data is present
Dec 15 09:05:04.921 INFO running `"docker" "inspect" "45422eef4a2ee6f8d2f7ad4feac5ccffea61a6abc5ad1f53fbfdfe6c47828f14"`
Dec 15 09:05:05.239 INFO running `"docker" "rm" "-f" "45422eef4a2ee6f8d2f7ad4feac5ccffea61a6abc5ad1f53fbfdfe6c47828f14"`
Dec 15 09:05:05.559 INFO [stdout] 45422eef4a2ee6f8d2f7ad4feac5ccffea61a6abc5ad1f53fbfdfe6c47828f14