Sep 14 16:23:42.547 INFO checking from_variants_impl-0.4.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:23:42.547 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:23:42.547 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/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 16:23:42.707 INFO blam! afe87386914034dc4d74a5585dd9f9ceabe3542cd95b22c35aec8138b211e56d
Sep 14 16:23:42.707 INFO running `"docker" "start" "-a" "afe87386914034dc4d74a5585dd9f9ceabe3542cd95b22c35aec8138b211e56d"`
Sep 14 16:23:43.735 INFO kablam! usermod: no changes
Sep 14 16:23:43.823 INFO kablam!     Checking ident_case v1.0.0
Sep 14 16:23:43.823 INFO kablam!     Checking difference v1.0.0
Sep 14 16:23:43.823 INFO kablam!     Checking error-chain v0.11.0
Sep 14 16:23:43.823 INFO kablam!     Checking syn v0.13.11
Sep 14 16:23:43.827 INFO kablam!    Compiling darling_core v0.5.0
Sep 14 16:23:44.500 INFO kablam!     Checking pretty_assertions v0.1.2
Sep 14 16:23:57.810 INFO kablam!    Compiling darling_macro v0.5.0
Sep 14 16:24:06.087 INFO kablam!     Checking darling v0.5.0
Sep 14 16:24:07.630 INFO kablam!     Checking from_variants_impl v0.4.0 (file:///source)
Sep 14 16:24:10.211 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 26.45s
Sep 14 16:24:10.214 INFO kablam! su: No module specific data is present
Sep 14 16:24:11.393 INFO running `"docker" "rm" "-f" "afe87386914034dc4d74a5585dd9f9ceabe3542cd95b22c35aec8138b211e56d"`
Sep 14 16:24:11.660 INFO blam! afe87386914034dc4d74a5585dd9f9ceabe3542cd95b22c35aec8138b211e56d