Dec 02 18:01:01.271 INFO testing safety-0.1.0 against 1.30.1 for beta-1.31-5
Dec 02 18:01:01.271 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 02 18:01:01.687 INFO [stdout] e500cdccc663b63c5322ead7acaa76303a0e2f4c1c12df3569a727872d1163b3
Dec 02 18:01:01.695 INFO running `"docker" "start" "-a" "e500cdccc663b63c5322ead7acaa76303a0e2f4c1c12df3569a727872d1163b3"`
Dec 02 18:01:02.807 INFO [stderr] usermod: no changes
Dec 02 18:01:02.990 INFO [stderr]    Compiling unicode-xid v0.0.3
Dec 02 18:01:02.996 INFO [stderr]    Compiling syntex_pos v0.52.0
Dec 02 18:01:02.996 INFO [stderr]    Compiling serde_codegen v0.8.23
Dec 02 18:01:05.407 INFO [stderr]    Compiling syntex_errors v0.52.0
Dec 02 18:01:08.183 INFO [stderr]    Compiling serde_derive v0.8.23
Dec 02 18:01:09.175 INFO [stderr]    Compiling syntex_syntax v0.52.0
Dec 02 18:01:45.938 INFO [stderr]    Compiling syntex v0.52.0
Dec 02 18:01:48.227 INFO [stderr]    Compiling safety v0.1.0 (/source)
Dec 02 18:01:51.027 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 18:01:51.027 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 18:01:51.027 INFO [stderr]   |
Dec 02 18:01:51.027 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 02 18:01:51.027 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:01:51.027 INFO [stderr] 
Dec 02 18:01:51.027 INFO [stderr] error: aborting due to previous error
Dec 02 18:01:51.027 INFO [stderr] 
Dec 02 18:01:51.027 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:01:51.038 INFO [stderr] error: Could not compile `safety`.
Dec 02 18:01:51.038 INFO [stderr] 
Dec 02 18:01:51.038 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:01:51.039 INFO [stderr] su: No module specific data is present
Dec 02 18:01:52.406 INFO running `"docker" "inspect" "e500cdccc663b63c5322ead7acaa76303a0e2f4c1c12df3569a727872d1163b3"`
Dec 02 18:01:52.753 INFO running `"docker" "rm" "-f" "e500cdccc663b63c5322ead7acaa76303a0e2f4c1c12df3569a727872d1163b3"`
Dec 02 18:01:53.063 INFO [stdout] e500cdccc663b63c5322ead7acaa76303a0e2f4c1c12df3569a727872d1163b3
