Dec 01 09:37:46.592 INFO testing media-io/timed-text-wasm against 1.30.1 for beta-1.31-5
Dec 01 09:37:46.592 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 09:37:47.096 INFO [stdout] 60e2a1ffa67a95d961f89ce8b0f503549959a7f9045be130a5747a8e7791a288
Dec 01 09:37:47.098 INFO running `"docker" "start" "-a" "60e2a1ffa67a95d961f89ce8b0f503549959a7f9045be130a5747a8e7791a288"`
Dec 01 09:37:48.267 INFO [stderr] usermod: no changes
Dec 01 09:37:48.403 INFO [stderr]    Compiling proc-macro2 v0.4.12
Dec 01 09:37:48.403 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.16
Dec 01 09:37:48.405 INFO [stderr]    Compiling log v0.4.3
Dec 01 09:37:48.438 INFO [stderr]    Compiling serde v1.0.71
Dec 01 09:37:53.331 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 09:37:53.331 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.12/src/lib.rs:49:5
Dec 01 09:37:53.331 INFO [stderr]    |
Dec 01 09:37:53.331 INFO [stderr] 49 | /     feature(proc_macro_raw_ident, proc_macro_span)
Dec 01 09:37:53.331 INFO [stderr] 50 | | )]
Dec 01 09:37:53.331 INFO [stderr]    | |_^
Dec 01 09:37:53.331 INFO [stderr] 
Dec 01 09:37:53.351 INFO [stderr] error: aborting due to previous error
Dec 01 09:37:53.351 INFO [stderr] 
Dec 01 09:37:53.351 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 09:37:53.363 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 01 09:37:53.363 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 09:38:02.351 INFO [stderr] error: build failed
Dec 01 09:38:02.353 INFO [stderr] su: No module specific data is present
Dec 01 09:38:02.901 INFO running `"docker" "inspect" "60e2a1ffa67a95d961f89ce8b0f503549959a7f9045be130a5747a8e7791a288"`
Dec 01 09:38:03.188 INFO running `"docker" "rm" "-f" "60e2a1ffa67a95d961f89ce8b0f503549959a7f9045be130a5747a8e7791a288"`
Dec 01 09:38:03.511 INFO [stdout] 60e2a1ffa67a95d961f89ce8b0f503549959a7f9045be130a5747a8e7791a288
