Sep 17 17:17:13.347 INFO checking simple_json-0.2.3 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 17:17:13.347 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 17:17:13.347 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:17:13.485 INFO blam! fca32c9201450c21107de234a433dba21b19dd5d1137505b4d50c1efbeab879e
Sep 17 17:17:13.487 INFO running `"docker" "start" "-a" "fca32c9201450c21107de234a433dba21b19dd5d1137505b4d50c1efbeab879e"`
Sep 17 17:17:14.691 INFO kablam! usermod: no changes
Sep 17 17:17:14.715 INFO kablam!     Checking simple_json v0.2.3 (/source)
Sep 17 17:17:15.258 INFO kablam! warning: unused import: `Number`
Sep 17 17:17:15.258 INFO kablam!  --> tests/to_string.rs:4:26
Sep 17 17:17:15.258 INFO kablam!   |
Sep 17 17:17:15.258 INFO kablam! 4 | use simple_json::{ Json, Number };
Sep 17 17:17:15.258 INFO kablam!   |                          ^^^^^^
Sep 17 17:17:15.258 INFO kablam!   |
Sep 17 17:17:15.258 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 17:17:15.258 INFO kablam! 
Sep 17 17:17:15.474 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Sep 17 17:17:15.476 INFO kablam! su: No module specific data is present
Sep 17 17:17:16.120 INFO running `"docker" "rm" "-f" "fca32c9201450c21107de234a433dba21b19dd5d1137505b4d50c1efbeab879e"`
Sep 17 17:17:16.178 INFO blam! fca32c9201450c21107de234a433dba21b19dd5d1137505b4d50c1efbeab879e