Dec 02 07:11:13.236 INFO testing Heasummn/ray_tracer against 1.30.1 for beta-1.31-5
Dec 02 07:11:13.236 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02 07:11:13.791 INFO [stdout] a0bc1d68a2a8dbc23ef5169ec16e4b4f9f2f809f1e06523598547196180ae931
Dec 02 07:11:13.797 INFO running `"docker" "start" "-a" "a0bc1d68a2a8dbc23ef5169ec16e4b4f9f2f809f1e06523598547196180ae931"`
Dec 02 07:11:15.273 INFO [stderr] usermod: no changes
Dec 02 07:11:15.531 INFO [stderr]    Compiling syn v0.15.11
Dec 02 07:11:26.311 INFO [stderr]    Compiling num-derive v0.2.3
Dec 02 07:11:34.267 INFO [stderr]    Compiling tiff v0.2.1
Dec 02 07:11:35.736 INFO [stderr]    Compiling image v0.20.0
Dec 02 07:11:52.037 INFO [stderr]    Compiling ray_tracer v0.1.0 (/source)
Dec 02 07:11:52.070 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 07:11:52.070 INFO [stderr] 
Dec 02 07:11:52.075 INFO [stderr] error: Could not compile `ray_tracer`.
Dec 02 07:11:52.075 INFO [stderr] 
Dec 02 07:11:52.075 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:11:52.075 INFO [stderr] su: No module specific data is present
Dec 02 07:11:52.669 INFO running `"docker" "inspect" "a0bc1d68a2a8dbc23ef5169ec16e4b4f9f2f809f1e06523598547196180ae931"`
Dec 02 07:11:53.041 INFO running `"docker" "rm" "-f" "a0bc1d68a2a8dbc23ef5169ec16e4b4f9f2f809f1e06523598547196180ae931"`
Dec 02 07:11:53.449 INFO [stdout] a0bc1d68a2a8dbc23ef5169ec16e4b4f9f2f809f1e06523598547196180ae931
