Sep 21 03:24:14.297 INFO checking selectors-0.20.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 03:24:14.297 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 03:24:14.297 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:24:14.486 INFO blam! f3116a555995c5e6b781a54efff26f75e7a7cb7676389ca67df714c97ad0464c
Sep 21 03:24:14.487 INFO running `"docker" "start" "-a" "f3116a555995c5e6b781a54efff26f75e7a7cb7676389ca67df714c97ad0464c"`
Sep 21 03:24:15.704 INFO kablam! usermod: no changes
Sep 21 03:24:15.830 INFO kablam!    Compiling procedural-masquerade v0.1.6
Sep 21 03:24:15.834 INFO kablam!     Checking thin-slice v0.1.1
Sep 21 03:24:15.834 INFO kablam!     Checking dtoa-short v0.3.2
Sep 21 03:24:15.837 INFO kablam!     Checking servo_arc v0.1.1
Sep 21 03:24:15.838 INFO kablam!    Compiling syn v0.14.9
Sep 21 03:24:15.838 INFO kablam!    Compiling selectors v0.20.0 (/source)
Sep 21 03:24:41.227 INFO kablam!    Compiling cssparser v0.24.0
Sep 21 03:24:41.227 INFO kablam!    Compiling cssparser-macros v0.3.4
Sep 21 03:25:00.843 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 45.12s
Sep 21 03:25:00.848 INFO kablam! su: No module specific data is present
Sep 21 03:25:01.676 INFO running `"docker" "rm" "-f" "f3116a555995c5e6b781a54efff26f75e7a7cb7676389ca67df714c97ad0464c"`
Sep 21 03:25:01.768 INFO blam! f3116a555995c5e6b781a54efff26f75e7a7cb7676389ca67df714c97ad0464c