Sep 01 20:25:54.224 INFO checking from_variants_impl-0.2.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:25:54.224 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:25:54.225 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:25:54.418 INFO blam! eed7f08adbfc1a1209434644ff1234cb92e52677eb0cefe7f68bd364b4da411a
Sep 01 20:25:54.421 INFO running `"docker" "start" "-a" "eed7f08adbfc1a1209434644ff1234cb92e52677eb0cefe7f68bd364b4da411a"`
Sep 01 20:25:55.504 INFO kablam!    Compiling ident_case v1.0.0
Sep 01 20:25:55.504 INFO kablam!     Checking error-chain v0.10.0
Sep 01 20:25:55.504 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 01 20:25:55.511 INFO kablam!    Compiling syn v0.12.15
Sep 01 20:26:14.754 INFO kablam!     Checking darling_core v0.3.2
Sep 01 20:26:34.368 INFO kablam!    Compiling darling_macro v0.3.2
Sep 01 20:26:37.418 INFO kablam!     Checking darling v0.3.2
Sep 01 20:26:39.510 INFO kablam!     Checking from_variants_impl v0.2.4 (file:///source)
Sep 01 20:26:44.290 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 48.83s
Sep 01 20:26:44.293 INFO kablam! su: No module specific data is present
Sep 01 20:26:44.794 INFO running `"docker" "rm" "-f" "eed7f08adbfc1a1209434644ff1234cb92e52677eb0cefe7f68bd364b4da411a"`
Sep 01 20:26:44.881 INFO blam! eed7f08adbfc1a1209434644ff1234cb92e52677eb0cefe7f68bd364b4da411a