Dec 07 11:22:46.970 INFO testing hbs-pow-0.2.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 11:22:46.970 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 11:22:47.418 INFO [stdout] 6170ae9c836a313c9d5f9a4bc07f91a8122c9719d045632242e98aead74cfb25
Dec 07 11:22:47.420 INFO running `"docker" "start" "-a" "6170ae9c836a313c9d5f9a4bc07f91a8122c9719d045632242e98aead74cfb25"`
Dec 07 11:22:48.572 INFO [stderr] usermod: no changes
Dec 07 11:22:48.644 INFO [stderr]    Compiling hbs-builder v0.2.1
Dec 07 11:22:48.644 INFO [stderr]    Compiling hbs-common-sys v0.2.1
Dec 07 11:22:49.335 INFO [stderr]    Compiling hbs-pow-sys v0.2.1
Dec 07 11:22:54.996 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 07 11:22:55.665 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
Dec 07 11:22:55.670 INFO [stderr] su: No module specific data is present
Dec 07 11:22:56.289 INFO running `"docker" "inspect" "6170ae9c836a313c9d5f9a4bc07f91a8122c9719d045632242e98aead74cfb25"`
Dec 07 11:22:56.444 INFO running `"docker" "rm" "-f" "6170ae9c836a313c9d5f9a4bc07f91a8122c9719d045632242e98aead74cfb25"`
Dec 07 11:22:56.632 INFO [stdout] 6170ae9c836a313c9d5f9a4bc07f91a8122c9719d045632242e98aead74cfb25
Dec 07 11:22:56.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 11:22:56.976 INFO [stdout] 4955081ee2dd5f2272568fded984985c32ce8ed46800ddd0c9c6dfda2d527811
Dec 07 11:22:56.982 INFO running `"docker" "start" "-a" "4955081ee2dd5f2272568fded984985c32ce8ed46800ddd0c9c6dfda2d527811"`
Dec 07 11:22:57.760 INFO [stderr] usermod: no changes
Dec 07 11:22:57.874 INFO [stderr]    Compiling hbs-pow v0.2.0 (/source)
Dec 07 11:22:58.456 INFO [stderr] warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Dec 07 11:22:58.456 INFO [stderr]    --> lib.rs:212:9
Dec 07 11:22:58.456 INFO [stderr]     |
Dec 07 11:22:58.456 INFO [stderr] 212 |         static mut received_cb: bool = false;
Dec 07 11:22:58.456 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 11:22:58.456 INFO [stderr] 
Dec 07 11:22:59.168 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 07 11:22:59.176 INFO [stderr] su: No module specific data is present
Dec 07 11:22:59.604 INFO running `"docker" "inspect" "4955081ee2dd5f2272568fded984985c32ce8ed46800ddd0c9c6dfda2d527811"`
Dec 07 11:22:59.810 INFO running `"docker" "rm" "-f" "4955081ee2dd5f2272568fded984985c32ce8ed46800ddd0c9c6dfda2d527811"`
Dec 07 11:22:59.979 INFO [stdout] 4955081ee2dd5f2272568fded984985c32ce8ed46800ddd0c9c6dfda2d527811