Sep 01 16:19:54.421 INFO checking json_io-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:19:54.421 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:19:54.421 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/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 16:19:54.618 INFO blam! 747b86bf3f8733879412a5f404967f31130dd41fe5990f63ceb96caf9cf7cf34
Sep 01 16:19:54.620 INFO running `"docker" "start" "-a" "747b86bf3f8733879412a5f404967f31130dd41fe5990f63ceb96caf9cf7cf34"`
Sep 01 16:19:55.256 INFO kablam!     Checking find_folder v0.1.1
Sep 01 16:19:55.256 INFO kablam!     Checking json_io v0.1.2 (file:///source)
Sep 01 16:19:55.838 INFO kablam! warning: unused import: `std::error::Error`
Sep 01 16:19:55.838 INFO kablam!   --> src/lib.rs:35:13
Sep 01 16:19:55.838 INFO kablam!    |
Sep 01 16:19:55.838 INFO kablam! 35 |         use std::error::Error as StdError;
Sep 01 16:19:55.838 INFO kablam!    |             ^^^^^^^^^^^^^^^^^
Sep 01 16:19:55.838 INFO kablam!    |
Sep 01 16:19:55.838 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 16:19:55.838 INFO kablam! 
Sep 01 16:19:56.478 INFO kablam! warning: unused import: `std::error::Error`
Sep 01 16:19:56.478 INFO kablam!   --> src/lib.rs:35:13
Sep 01 16:19:56.478 INFO kablam!    |
Sep 01 16:19:56.479 INFO kablam! 35 |         use std::error::Error as StdError;
Sep 01 16:19:56.479 INFO kablam!    |             ^^^^^^^^^^^^^^^^^
Sep 01 16:19:56.479 INFO kablam!    |
Sep 01 16:19:56.479 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 16:19:56.479 INFO kablam! 
Sep 01 16:19:56.515 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Sep 01 16:19:56.518 INFO kablam! su: No module specific data is present
Sep 01 16:19:57.217 INFO running `"docker" "rm" "-f" "747b86bf3f8733879412a5f404967f31130dd41fe5990f63ceb96caf9cf7cf34"`
Sep 01 16:19:57.300 INFO blam! 747b86bf3f8733879412a5f404967f31130dd41fe5990f63ceb96caf9cf7cf34