Sep 14 11:40:55.184 INFO checking polish_notation-0.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 11:40:55.184 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 11:40:55.185 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:40:55.579 INFO blam! 8765ebcfc41fa15fd6dead8720a020671e7c2218e0d66f11ce67a550c3b933ea
Sep 14 11:40:55.583 INFO running `"docker" "start" "-a" "8765ebcfc41fa15fd6dead8720a020671e7c2218e0d66f11ce67a550c3b933ea"`
Sep 14 11:40:57.202 INFO kablam! usermod: no changes
Sep 14 11:40:57.258 INFO kablam!     Checking polish_notation v0.1.0 (file:///source)
Sep 14 11:40:57.594 INFO kablam! error: recursion limit reached while expanding the macro `npn`
Sep 14 11:40:57.594 INFO kablam!   --> src/lib.rs:23:72
Sep 14 11:40:57.594 INFO kablam!    |
Sep 14 11:40:57.594 INFO kablam! 23 |     [($head:tt $($tail:tt)*) -> ($stack_head:tt + $($stack:tt)*)] => { npn!(($($tail)*) -> (($stack_head + $head) $($stack)*)) };
Sep 14 11:40:57.594 INFO kablam!    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 11:40:57.594 INFO kablam! ...
Sep 14 11:40:57.594 INFO kablam! 49 |         assert_eq!(npn!(+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32), 528);
Sep 14 11:40:57.594 INFO kablam!    |                    ---------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
Sep 14 11:40:57.594 INFO kablam!    |
Sep 14 11:40:57.594 INFO kablam!    = help: consider adding a `#![recursion_limit="128"]` attribute to your crate
Sep 14 11:40:57.594 INFO kablam! 
Sep 14 11:40:57.594 INFO kablam! error: aborting due to previous error
Sep 14 11:40:57.594 INFO kablam! 
Sep 14 11:40:57.607 INFO kablam! error: Could not compile `polish_notation`.
Sep 14 11:40:57.607 INFO kablam! 
Sep 14 11:40:57.607 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 11:40:57.607 INFO kablam! su: No module specific data is present
Sep 14 11:40:58.665 INFO running `"docker" "rm" "-f" "8765ebcfc41fa15fd6dead8720a020671e7c2218e0d66f11ce67a550c3b933ea"`
Sep 14 11:40:58.915 INFO blam! 8765ebcfc41fa15fd6dead8720a020671e7c2218e0d66f11ce67a550c3b933ea