Dec 01 09:59:30.207 INFO testing mattdeboard/prepend_line against 1.30.1 for beta-1.31-5
Dec 01 09:59:30.207 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 09:59:30.392 INFO [stdout] ef54de9e9e6a71c36dd419e25eb5ba5ff84f330cd4d951eda541bb186c8907df
Dec 01 09:59:30.396 INFO running `"docker" "start" "-a" "ef54de9e9e6a71c36dd419e25eb5ba5ff84f330cd4d951eda541bb186c8907df"`
Dec 01 09:59:31.335 INFO [stderr] usermod: no changes
Dec 01 09:59:31.510 INFO [stderr]    Compiling proc-macro2 v0.4.12
Dec 01 09:59:31.510 INFO [stderr]    Compiling serde_json v1.0.26
Dec 01 09:59:31.510 INFO [stderr]    Compiling uuid v0.1.18
Dec 01 09:59:31.512 INFO [stderr]    Compiling thread_local v0.3.5
Dec 01 09:59:32.683 INFO [stderr]    Compiling regex v1.0.2
Dec 01 09:59:33.437 INFO [stderr]    Compiling mktemp v0.3.1
Dec 01 09:59:35.331 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 09:59:35.331 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.12/src/lib.rs:49:5
Dec 01 09:59:35.331 INFO [stderr]    |
Dec 01 09:59:35.331 INFO [stderr] 49 | /     feature(proc_macro_raw_ident, proc_macro_span)
Dec 01 09:59:35.331 INFO [stderr] 50 | | )]
Dec 01 09:59:35.331 INFO [stderr]    | |_^
Dec 01 09:59:35.331 INFO [stderr] 
Dec 01 09:59:35.331 INFO [stderr] error: aborting due to previous error
Dec 01 09:59:35.331 INFO [stderr] 
Dec 01 09:59:35.331 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 09:59:35.367 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 01 09:59:35.367 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 09:59:46.492 INFO [stderr] error: build failed
Dec 01 09:59:46.492 INFO [stderr] su: No module specific data is present
Dec 01 09:59:47.881 INFO running `"docker" "inspect" "ef54de9e9e6a71c36dd419e25eb5ba5ff84f330cd4d951eda541bb186c8907df"`
Dec 01 09:59:48.265 INFO running `"docker" "rm" "-f" "ef54de9e9e6a71c36dd419e25eb5ba5ff84f330cd4d951eda541bb186c8907df"`
Dec 01 09:59:48.617 INFO [stdout] ef54de9e9e6a71c36dd419e25eb5ba5ff84f330cd4d951eda541bb186c8907df
