Sep 14 11:24:06.679 INFO checking pvm-0.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 11:24:06.679 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 11:24:06.680 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:24:07.075 INFO blam! c3c408aca519ea024680fb9e9aca26d527f08ec2694115cfaa1376ac6e1cd004
Sep 14 11:24:07.081 INFO running `"docker" "start" "-a" "c3c408aca519ea024680fb9e9aca26d527f08ec2694115cfaa1376ac6e1cd004"`
Sep 14 11:24:08.594 INFO kablam! usermod: no changes
Sep 14 11:24:08.659 INFO kablam!     Checking pvm v0.1.0 (file:///source)
Sep 14 11:24:10.029 INFO kablam! warning: unused import: `std::io`
Sep 14 11:24:10.029 INFO kablam!  --> tests/calculator1.rs:5:5
Sep 14 11:24:10.029 INFO kablam!   |
Sep 14 11:24:10.029 INFO kablam! 5 | use std::io;
Sep 14 11:24:10.029 INFO kablam!   |     ^^^^^^^
Sep 14 11:24:10.029 INFO kablam!   |
Sep 14 11:24:10.029 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 11:24:10.029 INFO kablam! 
Sep 14 11:24:10.221 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Sep 14 11:24:10.221 INFO kablam! su: No module specific data is present
Sep 14 11:24:10.735 INFO running `"docker" "rm" "-f" "c3c408aca519ea024680fb9e9aca26d527f08ec2694115cfaa1376ac6e1cd004"`
Sep 14 11:24:10.832 INFO blam! c3c408aca519ea024680fb9e9aca26d527f08ec2694115cfaa1376ac6e1cd004