Dec 01 00:25:41.882 INFO testing syntheticsh/rust_macro_play against 1.30.1 for beta-1.31-5
Dec 01 00:25:41.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 00:25:42.308 INFO [stdout] f4c6fb915a5766f7666ff60ac800e1c78b2dde674b40f4639709d9f3e9990e6b
Dec 01 00:25:42.313 INFO running `"docker" "start" "-a" "f4c6fb915a5766f7666ff60ac800e1c78b2dde674b40f4639709d9f3e9990e6b"`
Dec 01 00:25:43.127 INFO [stderr] usermod: no changes
Dec 01 00:25:43.187 INFO [stderr]    Compiling proc-macro2 v0.4.20
Dec 01 00:25:43.187 INFO [stderr]    Compiling play_macro v0.1.0 (/source/play_macro)
Dec 01 00:25:43.267 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 01 00:25:43.267 INFO [stderr] 
Dec 01 00:25:43.290 INFO [stderr] error: Could not compile `play_macro`.
Dec 01 00:25:43.290 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 00:25:44.118 INFO [stderr] error: build failed
Dec 01 00:25:44.123 INFO [stderr] su: No module specific data is present
Dec 01 00:25:44.587 INFO running `"docker" "inspect" "f4c6fb915a5766f7666ff60ac800e1c78b2dde674b40f4639709d9f3e9990e6b"`
Dec 01 00:25:44.885 INFO running `"docker" "rm" "-f" "f4c6fb915a5766f7666ff60ac800e1c78b2dde674b40f4639709d9f3e9990e6b"`
Dec 01 00:25:45.218 INFO [stdout] f4c6fb915a5766f7666ff60ac800e1c78b2dde674b40f4639709d9f3e9990e6b
