Oct 10 18:37:14.851 INFO testing media-io/timed-text-wasm against master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513 for rustdoc-test-static-cling
Oct 10 18:37:14.851 INFO running: cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt build --frozen
Oct 10 18:37:14.851 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/rustdoc-test-static-cling/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling/worker-0/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,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" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt build --frozen" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "--network" "none" "crater"`
Oct 10 18:37:15.290 INFO blam! bb06ead89c86131b0343001be1ba862fe4f823bf4bc410888bddcff2562cbdea
Oct 10 18:37:15.291 INFO running `"docker" "start" "-a" "bb06ead89c86131b0343001be1ba862fe4f823bf4bc410888bddcff2562cbdea"`
Oct 10 18:37:16.497 INFO kablam! usermod: no changes
Oct 10 18:37:16.665 INFO kablam!    Compiling proc-macro2 v0.4.12
Oct 10 18:37:16.665 INFO kablam!    Compiling serde_json v1.0.26
Oct 10 18:37:23.071 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Oct 10 18:37:23.072 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.12/src/unstable.rs:346:27
Oct 10 18:37:23.072 INFO kablam!     |
Oct 10 18:37:23.072 INFO kablam! 346 |             Span::Nightly(proc_macro::Span::def_site())
Oct 10 18:37:23.073 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 10 18:37:23.073 INFO kablam!     |
Oct 10 18:37:23.073 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Oct 10 18:37:23.073 INFO kablam! 
Oct 10 18:37:23.108 INFO kablam! error: aborting due to previous error
Oct 10 18:37:23.108 INFO kablam! 
Oct 10 18:37:23.108 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Oct 10 18:37:23.109 INFO kablam! error: Could not compile `proc-macro2`.
Oct 10 18:37:23.109 INFO kablam! 
Oct 10 18:37:23.109 INFO kablam! To learn more, run the command again with --verbose.
Oct 10 18:37:23.112 INFO kablam! su: No module specific data is present
Oct 10 18:37:24.301 INFO running `"docker" "rm" "-f" "bb06ead89c86131b0343001be1ba862fe4f823bf4bc410888bddcff2562cbdea"`
Oct 10 18:37:24.612 INFO blam! bb06ead89c86131b0343001be1ba862fe4f823bf4bc410888bddcff2562cbdea