Oct 27 08:35:21.954 INFO checking alexandermccormick/wasm-conways-game-of-life against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 08:35:21.954 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-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 27 08:35:22.208 INFO blam! 7b5db22c3cf27ba6709403310b35db49dc83691791d44e7d133f2af8a3ccb5e1
Oct 27 08:35:22.209 INFO running `"docker" "start" "-a" "7b5db22c3cf27ba6709403310b35db49dc83691791d44e7d133f2af8a3ccb5e1"`
Oct 27 08:35:23.838 INFO kablam! usermod: no changes
Oct 27 08:35:23.943 INFO kablam!    Compiling proc-macro2 v0.4.9
Oct 27 08:35:26.516 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Oct 27 08:35:26.516 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Oct 27 08:35:26.516 INFO kablam!     |
Oct 27 08:35:26.516 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Oct 27 08:35:26.516 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 08:35:26.516 INFO kablam!     |
Oct 27 08:35:26.516 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Oct 27 08:35:26.516 INFO kablam! 
Oct 27 08:35:26.551 INFO kablam! error: aborting due to previous error
Oct 27 08:35:26.551 INFO kablam! 
Oct 27 08:35:26.551 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Oct 27 08:35:26.557 INFO kablam! error: Could not compile `proc-macro2`.
Oct 27 08:35:26.557 INFO kablam! 
Oct 27 08:35:26.557 INFO kablam! To learn more, run the command again with --verbose.
Oct 27 08:35:26.559 INFO kablam! su: No module specific data is present
Oct 27 08:35:27.371 INFO running `"docker" "rm" "-f" "7b5db22c3cf27ba6709403310b35db49dc83691791d44e7d133f2af8a3ccb5e1"`
Oct 27 08:35:27.691 INFO blam! 7b5db22c3cf27ba6709403310b35db49dc83691791d44e7d133f2af8a3ccb5e1