Sep 18 00:30:39.835 INFO checking from_variants_impl-0.2.4 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 00:30:39.835 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 00:30:39.835 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 00:30:40.043 INFO blam! d3c738143ef4ee63802ba800a3320cce77c9ff595bd57127be6fab8328055679
Sep 18 00:30:40.048 INFO running `"docker" "start" "-a" "d3c738143ef4ee63802ba800a3320cce77c9ff595bd57127be6fab8328055679"`
Sep 18 00:30:41.083 INFO kablam! usermod: no changes
Sep 18 00:30:41.137 INFO kablam!    Compiling ident_case v1.0.0
Sep 18 00:30:41.137 INFO kablam!     Checking difference v1.0.0
Sep 18 00:30:41.146 INFO kablam!     Checking error-chain v0.10.0
Sep 18 00:30:41.151 INFO kablam!    Compiling syn v0.12.15
Sep 18 00:30:42.058 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 18 00:30:52.626 INFO kablam!     Checking darling_core v0.3.2
Sep 18 00:31:07.047 INFO kablam!    Compiling darling_macro v0.3.2
Sep 18 00:31:09.044 INFO kablam!     Checking darling v0.3.2
Sep 18 00:31:10.314 INFO kablam!     Checking from_variants_impl v0.2.4 (/source)
Sep 18 00:31:12.863 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.75s
Sep 18 00:31:12.863 INFO kablam! su: No module specific data is present
Sep 18 00:31:13.761 INFO running `"docker" "rm" "-f" "d3c738143ef4ee63802ba800a3320cce77c9ff595bd57127be6fab8328055679"`
Sep 18 00:31:14.039 INFO blam! d3c738143ef4ee63802ba800a3320cce77c9ff595bd57127be6fab8328055679