Sep 20 03:21:31.763 INFO checking from_variants_impl-0.2.4 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 03:21:31.763 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 03:21:31.763 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:21:31.923 INFO blam! 3966f114a012185352ddac1118dc97c8d7b6024faa2e74d8d01f3124b7e45ea3
Sep 20 03:21:31.925 INFO running `"docker" "start" "-a" "3966f114a012185352ddac1118dc97c8d7b6024faa2e74d8d01f3124b7e45ea3"`
Sep 20 03:21:33.003 INFO kablam! usermod: no changes
Sep 20 03:21:33.131 INFO kablam!     Checking ident_case v1.0.0
Sep 20 03:21:33.131 INFO kablam!     Checking difference v1.0.0
Sep 20 03:21:33.137 INFO kablam!     Checking error-chain v0.10.0
Sep 20 03:21:33.146 INFO kablam!     Checking syn v0.12.15
Sep 20 03:21:33.146 INFO kablam!    Compiling darling_core v0.3.2
Sep 20 03:21:34.494 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 20 03:21:47.512 INFO kablam!    Compiling darling_macro v0.3.2
Sep 20 03:21:56.296 INFO kablam!     Checking darling v0.3.2
Sep 20 03:21:57.676 INFO kablam!     Checking from_variants_impl v0.2.4 (/source)
Sep 20 03:22:01.526 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 28.49s
Sep 20 03:22:01.533 INFO kablam! su: No module specific data is present
Sep 20 03:22:02.794 INFO running `"docker" "rm" "-f" "3966f114a012185352ddac1118dc97c8d7b6024faa2e74d8d01f3124b7e45ea3"`
Sep 20 03:22:02.912 INFO blam! 3966f114a012185352ddac1118dc97c8d7b6024faa2e74d8d01f3124b7e45ea3