Dec 03 11:43:59.502 INFO testing flx-0.2.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 11:43:59.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11:43:59.695 INFO [stdout] c9d90d08b71b02ccdc01752705951a09c12cf3d68dd34c473fc45eb207d2438d
Dec 03 11:43:59.697 INFO running `"docker" "start" "-a" "c9d90d08b71b02ccdc01752705951a09c12cf3d68dd34c473fc45eb207d2438d"`
Dec 03 11:44:00.108 INFO [stderr] usermod: no changes
Dec 03 11:44:00.144 INFO [stderr]    Compiling flx v0.2.2 (/source)
Dec 03 11:44:01.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 03 11:44:01.055 INFO [stderr] su: No module specific data is present
Dec 03 11:44:01.278 INFO running `"docker" "inspect" "c9d90d08b71b02ccdc01752705951a09c12cf3d68dd34c473fc45eb207d2438d"`
Dec 03 11:44:01.385 INFO running `"docker" "rm" "-f" "c9d90d08b71b02ccdc01752705951a09c12cf3d68dd34c473fc45eb207d2438d"`
Dec 03 11:44:01.520 INFO [stdout] c9d90d08b71b02ccdc01752705951a09c12cf3d68dd34c473fc45eb207d2438d
Dec 03 11:44:01.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11:44:01.693 INFO [stdout] f26b72f0aabcd589686cd771cc36600d4b8ee6edffe243ff0114ea98c813edb9
Dec 03 11:44:01.694 INFO running `"docker" "start" "-a" "f26b72f0aabcd589686cd771cc36600d4b8ee6edffe243ff0114ea98c813edb9"`
Dec 03 11:44:02.140 INFO [stderr] usermod: no changes
Dec 03 11:44:02.176 INFO [stderr]    Compiling flx v0.2.2 (/source)
Dec 03 11:44:02.863 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 11:44:02.863 INFO [stderr]  --> src/lib.rs:7:19
Dec 03 11:44:02.863 INFO [stderr]   |
Dec 03 11:44:02.863 INFO [stderr] 7 | #![cfg_attr(test, feature(test))]
Dec 03 11:44:02.863 INFO [stderr]   |                   ^^^^^^^^^^^^^
Dec 03 11:44:02.863 INFO [stderr] 
Dec 03 11:44:02.863 INFO [stderr] error: aborting due to previous error
Dec 03 11:44:02.863 INFO [stderr] 
Dec 03 11:44:02.863 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 11:44:02.871 INFO [stderr] error: Could not compile `flx`.
Dec 03 11:44:02.871 INFO [stderr] 
Dec 03 11:44:02.871 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 11:44:02.871 INFO [stderr] su: No module specific data is present
Dec 03 11:44:03.317 INFO running `"docker" "inspect" "f26b72f0aabcd589686cd771cc36600d4b8ee6edffe243ff0114ea98c813edb9"`
Dec 03 11:44:03.392 INFO running `"docker" "rm" "-f" "f26b72f0aabcd589686cd771cc36600d4b8ee6edffe243ff0114ea98c813edb9"`
Dec 03 11:44:03.510 INFO [stdout] f26b72f0aabcd589686cd771cc36600d4b8ee6edffe243ff0114ea98c813edb9
