Nov 06 17:51:35.748 INFO checking media-io/timed-text-wasm against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 17:51:35.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 17:51:36.334 INFO blam! cc2a29d7616f8e82c5b05761e2158e6f40c88395a023c25da71e6868d954ca47
Nov 06 17:51:36.336 INFO running `"docker" "start" "-a" "cc2a29d7616f8e82c5b05761e2158e6f40c88395a023c25da71e6868d954ca47"`
Nov 06 17:51:37.656 INFO kablam! usermod: no changes
Nov 06 17:51:37.745 INFO kablam!    Compiling proc-macro2 v0.4.12
Nov 06 17:51:37.745 INFO kablam!    Compiling ryu v0.2.3
Nov 06 17:51:37.755 INFO kablam!    Compiling wasm-bindgen-shared v0.2.16
Nov 06 17:51:37.757 INFO kablam!    Compiling log v0.4.3
Nov 06 17:51:37.760 INFO kablam!    Compiling serde v1.0.71
Nov 06 17:51:41.020 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 06 17:51:41.020 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.12/src/unstable.rs:346:27
Nov 06 17:51:41.020 INFO kablam!     |
Nov 06 17:51:41.020 INFO kablam! 346 |             Span::Nightly(proc_macro::Span::def_site())
Nov 06 17:51:41.020 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 17:51:41.020 INFO kablam!     |
Nov 06 17:51:41.020 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 06 17:51:41.020 INFO kablam! 
Nov 06 17:51:41.036 INFO kablam! error: aborting due to previous error
Nov 06 17:51:41.037 INFO kablam! 
Nov 06 17:51:41.037 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 06 17:51:41.049 INFO kablam! error: Could not compile `proc-macro2`.
Nov 06 17:51:41.049 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 06 17:51:50.153 INFO kablam! error: build failed
Nov 06 17:51:50.153 INFO kablam! su: No module specific data is present
Nov 06 17:51:50.703 INFO running `"docker" "rm" "-f" "cc2a29d7616f8e82c5b05761e2158e6f40c88395a023c25da71e6868d954ca47"`
Nov 06 17:51:50.944 INFO blam! cc2a29d7616f8e82c5b05761e2158e6f40c88395a023c25da71e6868d954ca47