Sep 10 12:32:29.437 INFO checking pvm-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:32:29.437 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:32:29.437 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/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 12:32:29.683 INFO blam! c2e19ab6e65f62c479f58d6cf1aa5eb13fc88a103b2e0248ab869d9422e9a851
Sep 10 12:32:29.685 INFO running `"docker" "start" "-a" "c2e19ab6e65f62c479f58d6cf1aa5eb13fc88a103b2e0248ab869d9422e9a851"`
Sep 10 12:32:30.832 INFO kablam! usermod: no changes
Sep 10 12:32:30.917 INFO kablam!     Checking pvm v0.1.0 (file:///source)
Sep 10 12:32:33.050 INFO kablam! warning: unused import: `std::io`
Sep 10 12:32:33.050 INFO kablam!  --> tests/calculator1.rs:5:5
Sep 10 12:32:33.050 INFO kablam!   |
Sep 10 12:32:33.050 INFO kablam! 5 | use std::io;
Sep 10 12:32:33.050 INFO kablam!   |     ^^^^^^^
Sep 10 12:32:33.050 INFO kablam!   |
Sep 10 12:32:33.050 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:32:33.050 INFO kablam! 
Sep 10 12:32:33.374 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Sep 10 12:32:33.374 INFO kablam! su: No module specific data is present
Sep 10 12:32:34.482 INFO running `"docker" "rm" "-f" "c2e19ab6e65f62c479f58d6cf1aa5eb13fc88a103b2e0248ab869d9422e9a851"`
Sep 10 12:32:34.601 INFO blam! c2e19ab6e65f62c479f58d6cf1aa5eb13fc88a103b2e0248ab869d9422e9a851