Sep 10 16:09:24.843 INFO checking json_flex-0.3.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:09:24.843 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:09:24.844 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:09:25.008 INFO blam! 8c853fa97116b7e883e568beef6436c8a76928c24f7f7f23b2ca2db0cdea066c
Sep 10 16:09:25.009 INFO running `"docker" "start" "-a" "8c853fa97116b7e883e568beef6436c8a76928c24f7f7f23b2ca2db0cdea066c"`
Sep 10 16:09:25.840 INFO kablam! usermod: no changes
Sep 10 16:09:25.861 INFO kablam!     Checking json_flex v0.3.2 (file:///source)
Sep 10 16:09:26.361 INFO kablam! warning: unused import: `std::fs::File`
Sep 10 16:09:26.361 INFO kablam!  --> src/test.rs:4:5
Sep 10 16:09:26.361 INFO kablam!   |
Sep 10 16:09:26.361 INFO kablam! 4 | use std::fs::File;
Sep 10 16:09:26.361 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 10 16:09:26.361 INFO kablam!   |
Sep 10 16:09:26.361 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:09:26.361 INFO kablam! 
Sep 10 16:09:26.361 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 10 16:09:26.361 INFO kablam!  --> src/test.rs:5:5
Sep 10 16:09:26.361 INFO kablam!   |
Sep 10 16:09:26.361 INFO kablam! 5 | use std::io::prelude::*;
Sep 10 16:09:26.361 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 10 16:09:26.361 INFO kablam! 
Sep 10 16:09:27.306 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Sep 10 16:09:27.308 INFO kablam! su: No module specific data is present
Sep 10 16:09:27.934 INFO running `"docker" "rm" "-f" "8c853fa97116b7e883e568beef6436c8a76928c24f7f7f23b2ca2db0cdea066c"`
Sep 10 16:09:28.051 INFO blam! 8c853fa97116b7e883e568beef6436c8a76928c24f7f7f23b2ca2db0cdea066c