Dec 03 02:38:48.314 INFO testing lmdb-rkv-0.8.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 02:38:48.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 03 02:38:48.551 INFO [stdout] 8e32756dfbd25c1755226777e0c7de0e0f172a562a729e4563ecf17f91bcd94d
Dec 03 02:38:48.553 INFO running `"docker" "start" "-a" "8e32756dfbd25c1755226777e0c7de0e0f172a562a729e4563ecf17f91bcd94d"`
Dec 03 02:38:49.010 INFO [stderr] usermod: no changes
Dec 03 02:38:49.059 INFO [stderr]    Compiling lmdb-rkv v0.8.2 (/source)
Dec 03 02:38:50.402 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 03 02:38:50.406 INFO [stderr] su: No module specific data is present
Dec 03 02:38:50.690 INFO running `"docker" "inspect" "8e32756dfbd25c1755226777e0c7de0e0f172a562a729e4563ecf17f91bcd94d"`
Dec 03 02:38:50.812 INFO running `"docker" "rm" "-f" "8e32756dfbd25c1755226777e0c7de0e0f172a562a729e4563ecf17f91bcd94d"`
Dec 03 02:38:50.973 INFO [stdout] 8e32756dfbd25c1755226777e0c7de0e0f172a562a729e4563ecf17f91bcd94d
Dec 03 02:38:50.977 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 test --frozen --no-run" "-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 03 02:38:51.403 INFO [stdout] 59c5b32e188eae6677c9ff4b562c4d3dfa5e1a19d9230dd2cd6aa6f64c318971
Dec 03 02:38:51.405 INFO running `"docker" "start" "-a" "59c5b32e188eae6677c9ff4b562c4d3dfa5e1a19d9230dd2cd6aa6f64c318971"`
Dec 03 02:38:51.825 INFO [stderr] usermod: no changes
Dec 03 02:38:51.879 INFO [stderr]    Compiling lmdb-rkv v0.8.2 (/source)
Dec 03 02:38:52.610 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 02:38:52.610 INFO [stderr]  --> src/lib.rs:4:19
Dec 03 02:38:52.610 INFO [stderr]   |
Dec 03 02:38:52.610 INFO [stderr] 4 | #![cfg_attr(test, feature(test))]
Dec 03 02:38:52.610 INFO [stderr]   |                   ^^^^^^^^^^^^^
Dec 03 02:38:52.610 INFO [stderr] 
Dec 03 02:38:52.619 INFO [stderr] error: aborting due to previous error
Dec 03 02:38:52.619 INFO [stderr] 
Dec 03 02:38:52.619 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:38:52.627 INFO [stderr] error: Could not compile `lmdb-rkv`.
Dec 03 02:38:52.627 INFO [stderr] 
Dec 03 02:38:52.627 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 02:38:52.629 INFO [stderr] su: No module specific data is present
Dec 03 02:38:52.937 INFO running `"docker" "inspect" "59c5b32e188eae6677c9ff4b562c4d3dfa5e1a19d9230dd2cd6aa6f64c318971"`
Dec 03 02:38:53.043 INFO running `"docker" "rm" "-f" "59c5b32e188eae6677c9ff4b562c4d3dfa5e1a19d9230dd2cd6aa6f64c318971"`
Dec 03 02:38:53.121 INFO [stdout] 59c5b32e188eae6677c9ff4b562c4d3dfa5e1a19d9230dd2cd6aa6f64c318971