Sep 04 07:04:33.618 INFO checking selectors-0.20.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 07:04:33.618 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 07:04:33.618 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:04:33.761 INFO blam! 3a471d81cdc8c4e07ec7c17d3676bf4847bdac7e4cd6cac3bf6df4d6f65c9621
Sep 04 07:04:33.763 INFO running `"docker" "start" "-a" "3a471d81cdc8c4e07ec7c17d3676bf4847bdac7e4cd6cac3bf6df4d6f65c9621"`
Sep 04 07:04:34.401 INFO kablam!    Compiling procedural-masquerade v0.1.6
Sep 04 07:04:34.401 INFO kablam!     Checking thin-slice v0.1.1
Sep 04 07:04:34.404 INFO kablam!     Checking dtoa-short v0.3.2
Sep 04 07:04:34.405 INFO kablam!     Checking servo_arc v0.1.1
Sep 04 07:04:34.406 INFO kablam!    Compiling syn v0.14.9
Sep 04 07:04:34.413 INFO kablam!    Compiling selectors v0.20.0 (file:///source)
Sep 04 07:05:00.980 INFO kablam!    Compiling cssparser v0.24.0
Sep 04 07:05:00.980 INFO kablam!    Compiling cssparser-macros v0.3.4
Sep 04 07:05:22.961 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 48.63s
Sep 04 07:05:22.966 INFO kablam! su: No module specific data is present
Sep 04 07:05:23.425 INFO running `"docker" "rm" "-f" "3a471d81cdc8c4e07ec7c17d3676bf4847bdac7e4cd6cac3bf6df4d6f65c9621"`
Sep 04 07:05:23.516 INFO blam! 3a471d81cdc8c4e07ec7c17d3676bf4847bdac7e4cd6cac3bf6df4d6f65c9621