Dec 15 09:04:46.549 INFO testing hbs-acc-pow-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 09:04:46.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 09:04:46.981 INFO [stdout] b9af9919d7fcca3a24d17d757fbacfdf99db0995287eef3ffb9e85874e25ab5f
Dec 15 09:04:46.983 INFO running `"docker" "start" "-a" "b9af9919d7fcca3a24d17d757fbacfdf99db0995287eef3ffb9e85874e25ab5f"`
Dec 15 09:04:47.790 INFO [stderr] usermod: no changes
Dec 15 09:04:47.875 INFO [stderr]    Compiling hbs-acc-pow-sys v0.2.1
Dec 15 09:04:52.674 INFO [stderr]    Compiling hbs-acc-pow v0.2.0 (/source)
Dec 15 09:04:53.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Dec 15 09:04:53.385 INFO [stderr] su: No module specific data is present
Dec 15 09:04:53.713 INFO running `"docker" "inspect" "b9af9919d7fcca3a24d17d757fbacfdf99db0995287eef3ffb9e85874e25ab5f"`
Dec 15 09:04:53.783 INFO running `"docker" "rm" "-f" "b9af9919d7fcca3a24d17d757fbacfdf99db0995287eef3ffb9e85874e25ab5f"`
Dec 15 09:04:53.868 INFO [stdout] b9af9919d7fcca3a24d17d757fbacfdf99db0995287eef3ffb9e85874e25ab5f
Dec 15 09:04:53.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 09:04:54.064 INFO [stdout] 68c05dc40cb1f4503d00ecf3fdbd50d390f430931eabf30bcf151f0be82e42eb
Dec 15 09:04:54.068 INFO running `"docker" "start" "-a" "68c05dc40cb1f4503d00ecf3fdbd50d390f430931eabf30bcf151f0be82e42eb"`
Dec 15 09:04:54.511 INFO [stderr] usermod: no changes
Dec 15 09:04:54.531 INFO [stderr]    Compiling hbs-acc-pow v0.2.0 (/source)
Dec 15 09:04:55.237 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Dec 15 09:04:55.237 INFO [stderr]    --> lib.rs:251:9
Dec 15 09:04:55.237 INFO [stderr]     |
Dec 15 09:04:55.237 INFO [stderr] 251 |         static mut received_cb: bool = false;
Dec 15 09:04:55.237 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:04:55.237 INFO [stderr] 
Dec 15 09:04:55.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 15 09:04:55.584 INFO [stderr] su: No module specific data is present
Dec 15 09:04:55.937 INFO running `"docker" "inspect" "68c05dc40cb1f4503d00ecf3fdbd50d390f430931eabf30bcf151f0be82e42eb"`
Dec 15 09:04:56.041 INFO running `"docker" "rm" "-f" "68c05dc40cb1f4503d00ecf3fdbd50d390f430931eabf30bcf151f0be82e42eb"`
Dec 15 09:04:56.143 INFO [stdout] 68c05dc40cb1f4503d00ecf3fdbd50d390f430931eabf30bcf151f0be82e42eb