Sep 21 11:27:03.064 INFO checking derive_builder_core-0.3.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 11:27:03.064 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 11:27:03.064 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 11:27:03.227 INFO blam! e305a36dc060fc9eeb56c2134a0ab9a7c266cfe8d8471f157ddc9534cfb6f9db
Sep 21 11:27:03.229 INFO running `"docker" "start" "-a" "e305a36dc060fc9eeb56c2134a0ab9a7c266cfe8d8471f157ddc9534cfb6f9db"`
Sep 21 11:27:04.668 INFO kablam! usermod: no changes
Sep 21 11:27:04.790 INFO kablam!     Checking ident_case v1.0.0
Sep 21 11:27:04.790 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 21 11:27:06.959 INFO kablam!     Checking quote v0.5.2
Sep 21 11:27:08.511 INFO kablam!     Checking syn v0.13.11
Sep 21 11:27:16.566 INFO kablam!     Checking darling_core v0.6.3
Sep 21 11:27:20.213 INFO kablam!     Checking darling v0.6.3
Sep 21 11:27:21.822 INFO kablam!     Checking derive_builder_core v0.3.0 (/source)
Sep 21 11:27:26.426 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
Sep 21 11:27:26.429 INFO kablam! su: No module specific data is present
Sep 21 11:27:27.285 INFO running `"docker" "rm" "-f" "e305a36dc060fc9eeb56c2134a0ab9a7c266cfe8d8471f157ddc9534cfb6f9db"`
Sep 21 11:27:27.411 INFO blam! e305a36dc060fc9eeb56c2134a0ab9a7c266cfe8d8471f157ddc9534cfb6f9db