Sep 21 02:47:55.561 INFO checking sonos_discovery-0.0.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:47:55.561 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:47:55.561 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:47:55.820 INFO blam! 6839ed429f1cf3cd138f3b2842e2b7cc92609d94d7c15e9735999b7751e020c0
Sep 21 02:47:55.822 INFO running `"docker" "start" "-a" "6839ed429f1cf3cd138f3b2842e2b7cc92609d94d7c15e9735999b7751e020c0"`
Sep 21 02:47:56.980 INFO kablam! usermod: no changes
Sep 21 02:47:57.071 INFO kablam!    Compiling num-traits v0.2.6
Sep 21 02:47:57.073 INFO kablam!    Compiling num-iter v0.1.37
Sep 21 02:48:01.016 INFO kablam!     Checking num-integer v0.1.39
Sep 21 02:48:01.016 INFO kablam!     Checking num-complex v0.2.0
Sep 21 02:48:01.940 INFO kablam!     Checking num-bigint v0.2.0
Sep 21 02:48:03.999 INFO kablam!     Checking num-rational v0.2.1
Sep 21 02:48:04.571 INFO kablam!     Checking num v0.2.0
Sep 21 02:48:04.716 INFO kablam!     Checking socket v0.0.7
Sep 21 02:48:05.022 INFO kablam!     Checking sonos_discovery v0.0.1 (/source)
Sep 21 02:48:05.720 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
Sep 21 02:48:05.723 INFO kablam! su: No module specific data is present
Sep 21 02:48:06.488 INFO running `"docker" "rm" "-f" "6839ed429f1cf3cd138f3b2842e2b7cc92609d94d7c15e9735999b7751e020c0"`
Sep 21 02:48:06.551 INFO blam! 6839ed429f1cf3cd138f3b2842e2b7cc92609d94d7c15e9735999b7751e020c0