Sep 10 09:44:45.934 INFO checking simple_json-0.2.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:44:45.934 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:44:45.934 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:44:46.058 INFO blam! d5318e777c9fa444b2b282b3c6b563c6ac5c73548ff136d4a6d7e20089116529
Sep 10 09:44:46.060 INFO running `"docker" "start" "-a" "d5318e777c9fa444b2b282b3c6b563c6ac5c73548ff136d4a6d7e20089116529"`
Sep 10 09:44:46.849 INFO kablam! usermod: no changes
Sep 10 09:44:46.870 INFO kablam!     Checking simple_json v0.2.3 (file:///source)
Sep 10 09:44:47.280 INFO kablam! warning: unused import: `Number`
Sep 10 09:44:47.280 INFO kablam!  --> tests/to_string.rs:4:26
Sep 10 09:44:47.280 INFO kablam!   |
Sep 10 09:44:47.280 INFO kablam! 4 | use simple_json::{ Json, Number };
Sep 10 09:44:47.280 INFO kablam!   |                          ^^^^^^
Sep 10 09:44:47.280 INFO kablam!   |
Sep 10 09:44:47.280 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 09:44:47.280 INFO kablam! 
Sep 10 09:44:47.485 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Sep 10 09:44:47.487 INFO kablam! su: No module specific data is present
Sep 10 09:44:48.022 INFO running `"docker" "rm" "-f" "d5318e777c9fa444b2b282b3c6b563c6ac5c73548ff136d4a6d7e20089116529"`
Sep 10 09:44:48.114 INFO blam! d5318e777c9fa444b2b282b3c6b563c6ac5c73548ff136d4a6d7e20089116529