Sep 01 15:53:09.007 INFO checking dotboris/alt against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 15:53:09.007 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 15:53:09.007 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/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 15:53:09.258 INFO blam! df52cb0a6b1770ed0acef5beb933327ee741cb5a239482f063701aead3816e4d
Sep 01 15:53:09.261 INFO running `"docker" "start" "-a" "df52cb0a6b1770ed0acef5beb933327ee741cb5a239482f063701aead3816e4d"`
Sep 01 15:53:10.120 INFO kablam!    Compiling serde v1.0.70
Sep 01 15:53:10.122 INFO kablam!    Compiling escargot v0.2.0
Sep 01 15:53:10.125 INFO kablam!     Checking float-cmp v0.4.0
Sep 01 15:53:10.126 INFO kablam!     Checking tempfile v2.2.0
Sep 01 15:53:10.575 INFO kablam!     Checking predicates v0.5.2
Sep 01 15:53:10.914 INFO kablam!     Checking dialoguer v0.1.0
Sep 01 15:53:26.541 INFO kablam!     Checking serde_json v1.0.24
Sep 01 15:53:26.541 INFO kablam!     Checking toml v0.4.6
Sep 01 15:53:29.860 INFO kablam!     Checking alt v1.0.0 (file:///source)
Sep 01 15:53:31.666 INFO kablam!     Checking assert_cmd v0.6.0
Sep 01 15:53:34.772 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
Sep 01 15:53:34.783 INFO kablam! su: No module specific data is present
Sep 01 15:53:35.103 INFO running `"docker" "rm" "-f" "df52cb0a6b1770ed0acef5beb933327ee741cb5a239482f063701aead3816e4d"`
Sep 01 15:53:35.192 INFO blam! df52cb0a6b1770ed0acef5beb933327ee741cb5a239482f063701aead3816e4d