Sep 14 13:18:00.755 INFO checking mdbook-0.2.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 13:18:00.755 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 13:18:00.756 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:18:01.228 INFO blam! 1eb2b8588dea06207dfd627e327a8d37adc2c535cc4f01d98b0477aaf9f0ae19
Sep 14 13:18:01.230 INFO running `"docker" "start" "-a" "1eb2b8588dea06207dfd627e327a8d37adc2c535cc4f01d98b0477aaf9f0ae19"`
Sep 14 13:18:03.039 INFO kablam! usermod: no changes
Sep 14 13:18:03.603 INFO kablam!    Compiling pest_derive v1.0.8
Sep 14 13:18:03.611 INFO kablam!    Compiling string_cache v0.6.2
Sep 14 13:18:03.611 INFO kablam!    Compiling markup5ever v0.3.2
Sep 14 13:18:18.197 INFO kablam!     Checking handlebars v1.0.3
Sep 14 13:18:21.687 INFO kablam!     Checking html5ever v0.18.0
Sep 14 13:18:23.841 INFO kablam!     Checking mdbook v0.2.1 (file:///source)
Sep 14 13:18:27.304 INFO kablam!     Checking select v0.4.2
Sep 14 13:18:49.379 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 46.31s
Sep 14 13:18:49.407 INFO kablam! su: No module specific data is present
Sep 14 13:18:50.678 INFO running `"docker" "rm" "-f" "1eb2b8588dea06207dfd627e327a8d37adc2c535cc4f01d98b0477aaf9f0ae19"`
Sep 14 13:18:50.939 INFO blam! 1eb2b8588dea06207dfd627e327a8d37adc2c535cc4f01d98b0477aaf9f0ae19