Sep 14 15:03:53.960 INFO checking hbs-0.2.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 15:03:53.960 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 15:03:53.960 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:03:54.150 INFO blam! cb3ce93bf1cfe2dc2593c9a2bb347aa49e710d3226ce9a639abdf3953306188e
Sep 14 15:03:54.152 INFO running `"docker" "start" "-a" "cb3ce93bf1cfe2dc2593c9a2bb347aa49e710d3226ce9a639abdf3953306188e"`
Sep 14 15:03:54.825 INFO kablam! usermod: no changes
Sep 14 15:03:54.857 INFO kablam!    Compiling hbs-sys v0.2.1
Sep 14 15:03:59.587 INFO kablam!     Checking hbs v0.2.0 (file:///source)
Sep 14 15:04:00.266 INFO kablam! warning: static variable `received_cb` should have an upper case name such as `RECEIVED_CB`
Sep 14 15:04:00.267 INFO kablam!    --> lib.rs:167:9
Sep 14 15:04:00.267 INFO kablam!     |
Sep 14 15:04:00.267 INFO kablam! 167 |         static mut received_cb: bool = false;
Sep 14 15:04:00.267 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:04:00.267 INFO kablam! 
Sep 14 15:04:00.283 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
Sep 14 15:04:00.286 INFO kablam! su: No module specific data is present
Sep 14 15:04:01.546 INFO running `"docker" "rm" "-f" "cb3ce93bf1cfe2dc2593c9a2bb347aa49e710d3226ce9a639abdf3953306188e"`
Sep 14 15:04:01.843 INFO blam! cb3ce93bf1cfe2dc2593c9a2bb347aa49e710d3226ce9a639abdf3953306188e