Sep 10 16:09:19.615 INFO checking json_io-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:09:19.615 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:09:19.615 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 16:09:19.943 INFO blam! 7f90b2ba649473c356215c95c2cacba02ccbd7de9097fa5874f101c8dd73c77a
Sep 10 16:09:19.946 INFO running `"docker" "start" "-a" "7f90b2ba649473c356215c95c2cacba02ccbd7de9097fa5874f101c8dd73c77a"`
Sep 10 16:09:20.851 INFO kablam! usermod: no changes
Sep 10 16:09:20.904 INFO kablam!     Checking find_folder v0.1.1
Sep 10 16:09:20.904 INFO kablam!     Checking json_io v0.1.2 (file:///source)
Sep 10 16:09:21.234 INFO kablam! warning: unused import: `std::error::Error`
Sep 10 16:09:21.234 INFO kablam!   --> src/lib.rs:35:13
Sep 10 16:09:21.234 INFO kablam!    |
Sep 10 16:09:21.234 INFO kablam! 35 |         use std::error::Error as StdError;
Sep 10 16:09:21.234 INFO kablam!    |             ^^^^^^^^^^^^^^^^^
Sep 10 16:09:21.234 INFO kablam!    |
Sep 10 16:09:21.234 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 10 16:09:21.234 INFO kablam! 
Sep 10 16:09:21.694 INFO kablam! warning: unused import: `std::error::Error`
Sep 10 16:09:21.694 INFO kablam!   --> src/lib.rs:35:13
Sep 10 16:09:21.694 INFO kablam!    |
Sep 10 16:09:21.694 INFO kablam! 35 |         use std::error::Error as StdError;
Sep 10 16:09:21.694 INFO kablam!    |             ^^^^^^^^^^^^^^^^^
Sep 10 16:09:21.694 INFO kablam!    |
Sep 10 16:09:21.694 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 10 16:09:21.694 INFO kablam! 
Sep 10 16:09:21.732 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Sep 10 16:09:21.740 INFO kablam! su: No module specific data is present
Sep 10 16:09:22.222 INFO running `"docker" "rm" "-f" "7f90b2ba649473c356215c95c2cacba02ccbd7de9097fa5874f101c8dd73c77a"`
Sep 10 16:09:22.291 INFO blam! 7f90b2ba649473c356215c95c2cacba02ccbd7de9097fa5874f101c8dd73c77a