Sep 20 00:13:43.800 INFO checking hbs-acc-pow-0.2.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 00:13:43.800 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 00:13:43.800 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:13:43.970 INFO blam! db4f0cf1e578eec0927cdef72618c6c9dca91b2385a35b577637b4b3a93b1547
Sep 20 00:13:43.973 INFO running `"docker" "start" "-a" "db4f0cf1e578eec0927cdef72618c6c9dca91b2385a35b577637b4b3a93b1547"`
Sep 20 00:13:44.707 INFO kablam! usermod: no changes
Sep 20 00:13:44.750 INFO kablam!    Compiling hbs-acc-pow-sys v0.2.1
Sep 20 00:13:48.754 INFO kablam!     Checking hbs-acc-pow v0.2.0 (/source)
Sep 20 00:13:49.219 INFO kablam! warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Sep 20 00:13:49.219 INFO kablam!    --> lib.rs:251:9
Sep 20 00:13:49.219 INFO kablam!     |
Sep 20 00:13:49.219 INFO kablam! 251 |         static mut received_cb: bool = false;
Sep 20 00:13:49.219 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:13:49.219 INFO kablam! 
Sep 20 00:13:49.232 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Sep 20 00:13:49.235 INFO kablam! su: No module specific data is present
Sep 20 00:13:49.730 INFO running `"docker" "rm" "-f" "db4f0cf1e578eec0927cdef72618c6c9dca91b2385a35b577637b4b3a93b1547"`
Sep 20 00:13:49.846 INFO blam! db4f0cf1e578eec0927cdef72618c6c9dca91b2385a35b577637b4b3a93b1547