Sep 05 21:41:05.924 INFO checking treeflection_derive-0.3.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 21:41:05.924 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 21:41:05.925 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 21:41:06.164 INFO blam! b8d7fb7a97c36d60bd897318e68f98c35d6ca5101ba538ce8600e4f1c7cad77e
Sep 05 21:41:06.170 INFO running `"docker" "start" "-a" "b8d7fb7a97c36d60bd897318e68f98c35d6ca5101ba538ce8600e4f1c7cad77e"`
Sep 05 21:41:07.037 INFO kablam! usermod: no changes
Sep 05 21:41:07.097 INFO kablam!     Checking either v1.5.0
Sep 05 21:41:07.097 INFO kablam!     Checking proc-macro2 v0.4.17
Sep 05 21:41:07.098 INFO kablam!    Compiling syn v0.14.9
Sep 05 21:41:07.341 INFO kablam!     Checking itertools v0.6.5
Sep 05 21:41:09.079 INFO kablam!     Checking quote v0.6.8
Sep 05 21:41:16.774 INFO kablam!     Checking treeflection_derive v0.3.0 (file:///source)
Sep 05 21:41:19.783 INFO kablam!    Compiling serde_derive v1.0.76
Sep 05 21:41:31.359 INFO kablam!     Checking treeflection v0.1.31
Sep 05 21:41:33.963 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 26.90s
Sep 05 21:41:33.963 INFO kablam! su: No module specific data is present
Sep 05 21:41:34.674 INFO running `"docker" "rm" "-f" "b8d7fb7a97c36d60bd897318e68f98c35d6ca5101ba538ce8600e4f1c7cad77e"`
Sep 05 21:41:34.907 INFO blam! b8d7fb7a97c36d60bd897318e68f98c35d6ca5101ba538ce8600e4f1c7cad77e