Nov 28 00:49:28.400 INFO checking media-io/timed-text-wasm against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:49:28.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 00:49:28.920 INFO [stdout] 547d0a83ab5b1c1b26ce8a4549d7ae47415add08754a571c778b8056e1f5d49b
Nov 28 00:49:28.926 INFO running `"docker" "start" "-a" "547d0a83ab5b1c1b26ce8a4549d7ae47415add08754a571c778b8056e1f5d49b"`
Nov 28 00:49:30.456 INFO [stderr] usermod: no changes
Nov 28 00:49:30.600 INFO [stderr]    Compiling proc-macro2 v0.4.12
Nov 28 00:49:30.600 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.16
Nov 28 00:49:30.635 INFO [stderr]    Compiling log v0.4.3
Nov 28 00:49:30.635 INFO [stderr]    Compiling serde v1.0.71
Nov 28 00:49:30.635 INFO [stderr]    Compiling ryu v0.2.3
Nov 28 00:49:36.324 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 28 00:49:36.324 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.12/src/unstable.rs:346:27
Nov 28 00:49:36.324 INFO [stderr]     |
Nov 28 00:49:36.324 INFO [stderr] 346 |             Span::Nightly(proc_macro::Span::def_site())
Nov 28 00:49:36.324 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:49:36.324 INFO [stderr]     |
Nov 28 00:49:36.324 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 28 00:49:36.324 INFO [stderr] 
Nov 28 00:49:36.351 INFO [stderr] error: aborting due to previous error
Nov 28 00:49:36.351 INFO [stderr] 
Nov 28 00:49:36.352 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 00:49:36.361 INFO [stderr] error: Could not compile `proc-macro2`.
Nov 28 00:49:36.361 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 00:49:45.899 INFO [stderr] error: build failed
Nov 28 00:49:45.909 INFO [stderr] su: No module specific data is present
Nov 28 00:49:46.674 INFO running `"docker" "inspect" "547d0a83ab5b1c1b26ce8a4549d7ae47415add08754a571c778b8056e1f5d49b"`
Nov 28 00:49:46.950 INFO running `"docker" "rm" "-f" "547d0a83ab5b1c1b26ce8a4549d7ae47415add08754a571c778b8056e1f5d49b"`
Nov 28 00:49:47.197 INFO [stdout] 547d0a83ab5b1c1b26ce8a4549d7ae47415add08754a571c778b8056e1f5d49b