Sep 14 16:23:44.008 INFO checking from_variants_impl-0.2.4 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:23:44.008 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:23:44.008 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-5/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:23:44.408 INFO blam! f98073d83811ee1fa0081a97daaa3a647823a3d951f18b762fbc226ce61436c0
Sep 14 16:23:44.411 INFO running `"docker" "start" "-a" "f98073d83811ee1fa0081a97daaa3a647823a3d951f18b762fbc226ce61436c0"`
Sep 14 16:23:45.779 INFO kablam! usermod: no changes
Sep 14 16:23:45.895 INFO kablam!     Checking ident_case v1.0.0
Sep 14 16:23:45.895 INFO kablam!     Checking difference v1.0.0
Sep 14 16:23:45.895 INFO kablam!     Checking error-chain v0.10.0
Sep 14 16:23:45.899 INFO kablam!    Compiling syn v0.12.15
Sep 14 16:23:46.693 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 14 16:24:01.440 INFO kablam!     Checking darling_core v0.3.2
Sep 14 16:24:16.469 INFO kablam!    Compiling darling_macro v0.3.2
Sep 14 16:24:19.099 INFO kablam!     Checking darling v0.3.2
Sep 14 16:24:20.339 INFO kablam!     Checking from_variants_impl v0.2.4 (file:///source)
Sep 14 16:24:22.468 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 36.65s
Sep 14 16:24:22.468 INFO kablam! su: No module specific data is present
Sep 14 16:24:22.967 INFO running `"docker" "rm" "-f" "f98073d83811ee1fa0081a97daaa3a647823a3d951f18b762fbc226ce61436c0"`
Sep 14 16:24:23.066 INFO blam! f98073d83811ee1fa0081a97daaa3a647823a3d951f18b762fbc226ce61436c0