Sep 14 14:21:32.501 INFO checking json_flex-0.3.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 14:21:32.501 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 14:21:32.501 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:21:32.645 INFO blam! 711c5d96428bb72cd9256df9b22e9e83b7afa1488508c27e7bed76b1d252f271
Sep 14 14:21:32.648 INFO running `"docker" "start" "-a" "711c5d96428bb72cd9256df9b22e9e83b7afa1488508c27e7bed76b1d252f271"`
Sep 14 14:21:33.557 INFO kablam! usermod: no changes
Sep 14 14:21:33.587 INFO kablam!     Checking json_flex v0.3.2 (file:///source)
Sep 14 14:21:33.995 INFO kablam! warning: unused import: `std::fs::File`
Sep 14 14:21:33.995 INFO kablam!  --> src/test.rs:4:5
Sep 14 14:21:33.995 INFO kablam!   |
Sep 14 14:21:33.995 INFO kablam! 4 | use std::fs::File;
Sep 14 14:21:33.995 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 14 14:21:33.995 INFO kablam!   |
Sep 14 14:21:33.995 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:21:33.995 INFO kablam! 
Sep 14 14:21:33.995 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 14 14:21:33.995 INFO kablam!  --> src/test.rs:5:5
Sep 14 14:21:33.995 INFO kablam!   |
Sep 14 14:21:33.995 INFO kablam! 5 | use std::io::prelude::*;
Sep 14 14:21:33.995 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 14 14:21:33.995 INFO kablam! 
Sep 14 14:21:34.975 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Sep 14 14:21:34.975 INFO kablam! su: No module specific data is present
Sep 14 14:21:35.576 INFO running `"docker" "rm" "-f" "711c5d96428bb72cd9256df9b22e9e83b7afa1488508c27e7bed76b1d252f271"`
Sep 14 14:21:35.651 INFO blam! 711c5d96428bb72cd9256df9b22e9e83b7afa1488508c27e7bed76b1d252f271