Sep 04 20:16:06.819 INFO checking daemon-engine-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 20:16:06.819 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 20:16:06.819 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:16:06.978 INFO blam! 430f24f904632d302460eeff70936a7334b4f83aaad61f96b005d86667cdf1f1
Sep 04 20:16:06.980 INFO running `"docker" "start" "-a" "430f24f904632d302460eeff70936a7334b4f83aaad61f96b005d86667cdf1f1"`
Sep 04 20:16:07.798 INFO kablam!     Checking tokio-serde-json-mirror v0.1.0
Sep 04 20:16:08.967 INFO kablam!     Checking daemon-engine v0.1.0 (file:///source)
Sep 04 20:16:13.231 INFO kablam! warning: unused import: `Instant`
Sep 04 20:16:13.231 INFO kablam!   --> src/lib.rs:51:31
Sep 04 20:16:13.231 INFO kablam!    |
Sep 04 20:16:13.231 INFO kablam! 51 |     use std::time::{Duration, Instant};
Sep 04 20:16:13.231 INFO kablam!    |                               ^^^^^^^
Sep 04 20:16:13.231 INFO kablam!    |
Sep 04 20:16:13.231 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 20:16:13.232 INFO kablam! 
Sep 04 20:16:20.133 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.51s
Sep 04 20:16:20.149 INFO kablam! su: No module specific data is present
Sep 04 20:16:20.530 INFO running `"docker" "rm" "-f" "430f24f904632d302460eeff70936a7334b4f83aaad61f96b005d86667cdf1f1"`
Sep 04 20:16:20.621 INFO blam! 430f24f904632d302460eeff70936a7334b4f83aaad61f96b005d86667cdf1f1