Oct 12 11:45:21.118 INFO checking tscr00/rust-wasm-test against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:45:21.118 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 11:45:21.596 INFO blam! c6f3abc7280ec5631a321d93e39afe80a81c5df8dcb2499081ba82c9952dd9f2
Oct 12 11:45:21.600 INFO running `"docker" "start" "-a" "c6f3abc7280ec5631a321d93e39afe80a81c5df8dcb2499081ba82c9952dd9f2"`
Oct 12 11:45:22.721 INFO kablam! usermod: no changes
Oct 12 11:45:22.870 INFO kablam!    Compiling proc-macro2 v0.4.13
Oct 12 11:45:22.876 INFO kablam!    Compiling serde v1.0.72
Oct 12 11:45:22.908 INFO kablam!    Compiling wasm-bindgen-shared v0.2.17
Oct 12 11:45:22.917 INFO kablam!    Compiling log v0.4.4
Oct 12 11:45:22.941 INFO kablam!    Compiling ryu v0.2.4
Oct 12 11:45:28.377 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Oct 12 11:45:28.378 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Oct 12 11:45:28.378 INFO kablam!     |
Oct 12 11:45:28.379 INFO kablam! 359 |             Span::Nightly(proc_macro::Span::def_site())
Oct 12 11:45:28.379 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:45:28.380 INFO kablam!     |
Oct 12 11:45:28.380 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Oct 12 11:45:28.381 INFO kablam! 
Oct 12 11:45:28.444 INFO kablam! error: aborting due to previous error
Oct 12 11:45:28.444 INFO kablam! 
Oct 12 11:45:28.444 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Oct 12 11:45:28.469 INFO kablam! error: Could not compile `proc-macro2`.
Oct 12 11:45:28.469 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 11:45:39.140 INFO kablam! error: build failed
Oct 12 11:45:39.147 INFO kablam! su: No module specific data is present
Oct 12 11:45:39.549 INFO running `"docker" "rm" "-f" "c6f3abc7280ec5631a321d93e39afe80a81c5df8dcb2499081ba82c9952dd9f2"`
Oct 12 11:45:39.672 INFO blam! c6f3abc7280ec5631a321d93e39afe80a81c5df8dcb2499081ba82c9952dd9f2