Sep 02 02:14:40.470 INFO checking rson_rs-0.2.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 02:14:40.470 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 02:14:40.470 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/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 02 02:14:40.702 INFO blam! e75e3dc875b6b16369010cb0bcc74d24615f09dd4ae294e54562e5698609c05d
Sep 02 02:14:40.704 INFO running `"docker" "start" "-a" "e75e3dc875b6b16369010cb0bcc74d24615f09dd4ae294e54562e5698609c05d"`
Sep 02 02:14:41.651 INFO kablam!     Checking rson_rs v0.2.1 (file:///source)
Sep 02 02:14:42.653 INFO kablam! warning: unnecessary parentheses around function argument
Sep 02 02:14:42.653 INFO kablam!   --> src/de/tests.rs:76:19
Sep 02 02:14:42.653 INFO kablam!    |
Sep 02 02:14:42.653 INFO kablam! 76 |     assert_eq!(Ok(([2, 3, 4i32].to_vec())), from_str("[2,3,4,]"));
Sep 02 02:14:42.653 INFO kablam!    |                   ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 02 02:14:42.653 INFO kablam!    |
Sep 02 02:14:42.653 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 02 02:14:42.653 INFO kablam! 
Sep 02 02:14:47.026 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
Sep 02 02:14:47.038 INFO kablam! su: No module specific data is present
Sep 02 02:14:47.567 INFO running `"docker" "rm" "-f" "e75e3dc875b6b16369010cb0bcc74d24615f09dd4ae294e54562e5698609c05d"`
Sep 02 02:14:47.729 INFO blam! e75e3dc875b6b16369010cb0bcc74d24615f09dd4ae294e54562e5698609c05d