Sep 17 16:24:38.537 INFO checking symbolics_calculus-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 16:24:38.537 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 16:24:38.537 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:24:38.673 INFO blam! 351a9d014df2eb55c107d16d3cde9d10766538da0a8708e7df669759e4ddae83
Sep 17 16:24:38.674 INFO running `"docker" "start" "-a" "351a9d014df2eb55c107d16d3cde9d10766538da0a8708e7df669759e4ddae83"`
Sep 17 16:24:40.175 INFO kablam! usermod: no changes
Sep 17 16:24:40.203 INFO kablam!     Checking symbolics_core v0.1.2
Sep 17 16:24:40.504 INFO kablam!     Checking symbolics_calculus v0.1.0 (/source)
Sep 17 16:24:40.658 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 16:24:40.658 INFO kablam!  --> src/lib.rs:1:1
Sep 17 16:24:40.658 INFO kablam!   |
Sep 17 16:24:40.659 INFO kablam! 1 | #[macro_use]
Sep 17 16:24:40.659 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 16:24:40.659 INFO kablam!   |
Sep 17 16:24:40.660 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:24:40.660 INFO kablam! 
Sep 17 16:24:40.764 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Sep 17 16:24:40.766 INFO kablam! su: No module specific data is present
Sep 17 16:24:41.478 INFO running `"docker" "rm" "-f" "351a9d014df2eb55c107d16d3cde9d10766538da0a8708e7df669759e4ddae83"`
Sep 17 16:24:41.793 INFO blam! 351a9d014df2eb55c107d16d3cde9d10766538da0a8708e7df669759e4ddae83