Sep 04 17:22:51.136 INFO checking from_variants_impl-0.2.4 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 17:22:51.136 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 17:22:51.136 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:22:51.295 INFO blam! 6123fafc5f2feb8c6b88b976969c16d80ea0dea9bec9e4efbf1a7e43d4c51dc4
Sep 04 17:22:51.297 INFO running `"docker" "start" "-a" "6123fafc5f2feb8c6b88b976969c16d80ea0dea9bec9e4efbf1a7e43d4c51dc4"`
Sep 04 17:22:52.154 INFO kablam!     Checking ident_case v1.0.0
Sep 04 17:22:52.158 INFO kablam!     Checking difference v1.0.0
Sep 04 17:22:52.178 INFO kablam!     Checking error-chain v0.10.0
Sep 04 17:22:52.210 INFO kablam!    Compiling darling_core v0.3.2
Sep 04 17:22:53.600 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 04 17:23:06.547 INFO kablam!    Compiling darling_macro v0.3.2
Sep 04 17:23:10.638 INFO kablam!     Checking darling v0.3.2
Sep 04 17:23:12.943 INFO kablam!     Checking from_variants_impl v0.2.4 (file:///source)
Sep 04 17:23:18.032 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.99s
Sep 04 17:23:18.036 INFO kablam! su: No module specific data is present
Sep 04 17:23:18.441 INFO running `"docker" "rm" "-f" "6123fafc5f2feb8c6b88b976969c16d80ea0dea9bec9e4efbf1a7e43d4c51dc4"`
Sep 04 17:23:18.567 INFO blam! 6123fafc5f2feb8c6b88b976969c16d80ea0dea9bec9e4efbf1a7e43d4c51dc4