Sep 10 08:11:35.001 INFO checking symbolics_calculus-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 08:11:35.001 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 08:11:35.001 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 08:11:35.184 INFO blam! a9a59595a67c3ba40162b56887fd549eba41e68b7a96f05297b9b7aa27fda672
Sep 10 08:11:35.185 INFO running `"docker" "start" "-a" "a9a59595a67c3ba40162b56887fd549eba41e68b7a96f05297b9b7aa27fda672"`
Sep 10 08:11:35.701 INFO kablam! usermod: no changes
Sep 10 08:11:35.726 INFO kablam!     Checking symbolics_core v0.1.2
Sep 10 08:11:36.022 INFO kablam!     Checking symbolics_calculus v0.1.0 (file:///source)
Sep 10 08:11:36.258 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 08:11:36.258 INFO kablam!  --> src/lib.rs:1:1
Sep 10 08:11:36.258 INFO kablam!   |
Sep 10 08:11:36.258 INFO kablam! 1 | #[macro_use]
Sep 10 08:11:36.258 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 08:11:36.258 INFO kablam!   |
Sep 10 08:11:36.258 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 08:11:36.258 INFO kablam! 
Sep 10 08:11:36.339 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Sep 10 08:11:36.350 INFO kablam! su: No module specific data is present
Sep 10 08:11:36.811 INFO running `"docker" "rm" "-f" "a9a59595a67c3ba40162b56887fd549eba41e68b7a96f05297b9b7aa27fda672"`
Sep 10 08:11:36.892 INFO blam! a9a59595a67c3ba40162b56887fd549eba41e68b7a96f05297b9b7aa27fda672