Dec 02 18:01:00.426 INFO testing safety-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 18:01:00.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 18:01:00.812 INFO [stdout] 2dc3bb72d21274bcdf018a0df175b36e73ee937d9c629a016c6e920da546ce6d
Dec 02 18:01:00.816 INFO running `"docker" "start" "-a" "2dc3bb72d21274bcdf018a0df175b36e73ee937d9c629a016c6e920da546ce6d"`
Dec 02 18:01:01.855 INFO [stderr] usermod: no changes
Dec 02 18:01:02.058 INFO [stderr]    Compiling syntex_pos v0.52.0
Dec 02 18:01:02.058 INFO [stderr]    Compiling libgit2-sys v0.6.19
Dec 02 18:01:04.467 INFO [stderr]    Compiling syntex_errors v0.52.0
Dec 02 18:01:09.921 INFO [stderr]    Compiling syntex_syntax v0.52.0
Dec 02 18:01:30.182 INFO [stderr]    Compiling git2 v0.6.11
Dec 02 18:02:13.544 INFO [stderr]    Compiling syntex v0.52.0
Dec 02 18:02:15.977 INFO [stderr]    Compiling safety v0.1.0 (/source)
Dec 02 18:02:18.311 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 18:02:18.311 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 18:02:18.311 INFO [stderr]   |
Dec 02 18:02:18.311 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 02 18:02:18.311 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:02:18.311 INFO [stderr] 
Dec 02 18:02:18.311 INFO [stderr] error: aborting due to previous error
Dec 02 18:02:18.311 INFO [stderr] 
Dec 02 18:02:18.311 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:02:18.319 INFO [stderr] error: Could not compile `safety`.
Dec 02 18:02:18.319 INFO [stderr] 
Dec 02 18:02:18.319 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:02:18.321 INFO [stderr] su: No module specific data is present
Dec 02 18:02:20.013 INFO running `"docker" "inspect" "2dc3bb72d21274bcdf018a0df175b36e73ee937d9c629a016c6e920da546ce6d"`
Dec 02 18:02:20.401 INFO running `"docker" "rm" "-f" "2dc3bb72d21274bcdf018a0df175b36e73ee937d9c629a016c6e920da546ce6d"`
Dec 02 18:02:20.739 INFO [stdout] 2dc3bb72d21274bcdf018a0df175b36e73ee937d9c629a016c6e920da546ce6d
