Sep 17 16:24:38.946 INFO checking symbolics_calculus-0.1.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:24:38.946 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:24:38.946 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:24:39.087 INFO blam! 4f86e8430c7937b53782dbae04219976a9c531e65aa61fd919b4d41200280a87
Sep 17 16:24:39.089 INFO running `"docker" "start" "-a" "4f86e8430c7937b53782dbae04219976a9c531e65aa61fd919b4d41200280a87"`
Sep 17 16:24:40.134 INFO kablam! usermod: no changes
Sep 17 16:24:40.156 INFO kablam!     Checking symbolics_core v0.1.2
Sep 17 16:24:40.433 INFO kablam!     Checking symbolics_calculus v0.1.0 (/source)
Sep 17 16:24:40.595 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 16:24:40.595 INFO kablam!  --> src/lib.rs:1:1
Sep 17 16:24:40.595 INFO kablam!   |
Sep 17 16:24:40.595 INFO kablam! 1 | #[macro_use]
Sep 17 16:24:40.595 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 16:24:40.595 INFO kablam!   |
Sep 17 16:24:40.595 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:24:40.595 INFO kablam! 
Sep 17 16:24:40.711 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Sep 17 16:24:40.713 INFO kablam! su: No module specific data is present
Sep 17 16:24:41.380 INFO running `"docker" "rm" "-f" "4f86e8430c7937b53782dbae04219976a9c531e65aa61fd919b4d41200280a87"`
Sep 17 16:24:41.663 INFO blam! 4f86e8430c7937b53782dbae04219976a9c531e65aa61fd919b4d41200280a87