Oct 15 11:47:55.094 INFO testing ColbyCypherSociety/ChatDemo against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1
Oct 15 11:47:55.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-6/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +40d4795669493f1965de7c44029c69552134fe1f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 15 11:47:55.727 INFO blam! 125f547b56606aa2581d14bab2844eddc9cc915a48e2f7339522ac06116a4244
Oct 15 11:47:55.731 INFO running `"docker" "start" "-a" "125f547b56606aa2581d14bab2844eddc9cc915a48e2f7339522ac06116a4244"`
Oct 15 11:47:56.659 INFO kablam! usermod: no changes
Oct 15 11:47:56.883 INFO kablam!    Compiling num-bigint v0.2.0
Oct 15 11:47:56.883 INFO kablam!    Compiling proc-macro2 v0.4.13
Oct 15 11:47:56.883 INFO kablam!    Compiling num-integer v0.1.39
Oct 15 11:47:59.375 INFO kablam!    Compiling num-iter v0.1.37
Oct 15 11:48:01.546 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Oct 15 11:48:01.547 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Oct 15 11:48:01.547 INFO kablam!     |
Oct 15 11:48:01.547 INFO kablam! 359 |             Span::Nightly(proc_macro::Span::def_site())
Oct 15 11:48:01.547 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:48:01.548 INFO kablam!     |
Oct 15 11:48:01.548 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Oct 15 11:48:01.548 INFO kablam! 
Oct 15 11:48:01.571 INFO kablam! error: aborting due to previous error
Oct 15 11:48:01.571 INFO kablam! 
Oct 15 11:48:01.572 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Oct 15 11:48:01.587 INFO kablam! error: Could not compile `proc-macro2`.
Oct 15 11:48:01.587 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 15 11:48:03.491 INFO kablam! error: build failed
Oct 15 11:48:03.496 INFO kablam! su: No module specific data is present
Oct 15 11:48:03.955 INFO running `"docker" "rm" "-f" "125f547b56606aa2581d14bab2844eddc9cc915a48e2f7339522ac06116a4244"`
Oct 15 11:48:04.103 INFO blam! 125f547b56606aa2581d14bab2844eddc9cc915a48e2f7339522ac06116a4244