Sep 14 16:23:42.661 INFO checking from_variants-0.4.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 16:23:42.661 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 16:23:42.662 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/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 16:23:42.788 INFO blam! 950efdf80f1b49725da49c311515d92ed89a67bda023b28839ce939d2d336d4b
Sep 14 16:23:42.790 INFO running `"docker" "start" "-a" "950efdf80f1b49725da49c311515d92ed89a67bda023b28839ce939d2d336d4b"`
Sep 14 16:23:43.717 INFO kablam! usermod: no changes
Sep 14 16:23:43.778 INFO kablam!    Compiling ident_case v1.0.0
Sep 14 16:23:43.778 INFO kablam!    Compiling error-chain v0.11.0
Sep 14 16:23:43.778 INFO kablam!    Compiling syn v0.13.11
Sep 14 16:24:05.512 INFO kablam!    Compiling darling_core v0.5.0
Sep 14 16:24:12.191 INFO kablam!    Compiling darling_macro v0.5.0
Sep 14 16:24:15.395 INFO kablam!    Compiling darling v0.5.0
Sep 14 16:24:16.721 INFO kablam!    Compiling from_variants_impl v0.4.0
Sep 14 16:24:20.732 INFO kablam!     Checking from_variants v0.4.0 (file:///source)
Sep 14 16:24:21.972 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 38.23s
Sep 14 16:24:21.977 INFO kablam! su: No module specific data is present
Sep 14 16:24:22.531 INFO running `"docker" "rm" "-f" "950efdf80f1b49725da49c311515d92ed89a67bda023b28839ce939d2d336d4b"`
Sep 14 16:24:22.647 INFO blam! 950efdf80f1b49725da49c311515d92ed89a67bda023b28839ce939d2d336d4b