Sep 04 04:35:41.326 INFO checking symbolics_calculus-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 04:35:41.326 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 04:35:41.326 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:35:41.467 INFO blam! 936f00682ac3ffc9e9ce208533d98529f919c9374b4a202f6e3a4f323561d029
Sep 04 04:35:41.469 INFO running `"docker" "start" "-a" "936f00682ac3ffc9e9ce208533d98529f919c9374b4a202f6e3a4f323561d029"`
Sep 04 04:35:42.262 INFO kablam!     Checking symbolics_core v0.1.2
Sep 04 04:35:42.621 INFO kablam!     Checking symbolics_calculus v0.1.0 (file:///source)
Sep 04 04:35:42.944 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 04:35:42.944 INFO kablam!  --> src/lib.rs:1:1
Sep 04 04:35:42.944 INFO kablam!   |
Sep 04 04:35:42.944 INFO kablam! 1 | #[macro_use]
Sep 04 04:35:42.944 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 04:35:42.944 INFO kablam!   |
Sep 04 04:35:42.944 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 04:35:42.945 INFO kablam! 
Sep 04 04:35:43.129 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Sep 04 04:35:43.131 INFO kablam! su: No module specific data is present
Sep 04 04:35:43.677 INFO running `"docker" "rm" "-f" "936f00682ac3ffc9e9ce208533d98529f919c9374b4a202f6e3a4f323561d029"`
Sep 04 04:35:43.760 INFO blam! 936f00682ac3ffc9e9ce208533d98529f919c9374b4a202f6e3a4f323561d029