Dec 02 10:48:18.430 INFO testing wu-diff-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 10:48:18.430 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 10:48:18.813 INFO [stdout] 9d71cf23c94cbeec049f9c88c8829c0fc4834d1d5549a7d414ed02acc73f24d8
Dec 02 10:48:18.817 INFO running `"docker" "start" "-a" "9d71cf23c94cbeec049f9c88c8829c0fc4834d1d5549a7d414ed02acc73f24d8"`
Dec 02 10:48:20.515 INFO [stderr] usermod: no changes
Dec 02 10:48:20.775 INFO [stderr]    Compiling wu-diff v0.1.1 (/source)
Dec 02 10:48:21.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 02 10:48:21.575 INFO [stderr] su: No module specific data is present
Dec 02 10:48:22.188 INFO running `"docker" "inspect" "9d71cf23c94cbeec049f9c88c8829c0fc4834d1d5549a7d414ed02acc73f24d8"`
Dec 02 10:48:22.425 INFO running `"docker" "rm" "-f" "9d71cf23c94cbeec049f9c88c8829c0fc4834d1d5549a7d414ed02acc73f24d8"`
Dec 02 10:48:22.628 INFO [stdout] 9d71cf23c94cbeec049f9c88c8829c0fc4834d1d5549a7d414ed02acc73f24d8
Dec 02 10:48:22.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 10:48:23.068 INFO [stdout] bb50a7b4dacb231f1dabf95f9203fa914eecf61db9183f3203886a2fa61d271c
Dec 02 10:48:23.073 INFO running `"docker" "start" "-a" "bb50a7b4dacb231f1dabf95f9203fa914eecf61db9183f3203886a2fa61d271c"`
Dec 02 10:48:23.991 INFO [stderr] usermod: no changes
Dec 02 10:48:24.303 INFO [stderr]    Compiling criterion-plot v0.2.5
Dec 02 10:48:24.303 INFO [stderr]    Compiling itertools-num v0.1.3
Dec 02 10:48:24.331 INFO [stderr]    Compiling criterion-stats v0.2.5
Dec 02 10:48:24.331 INFO [stderr]    Compiling chrono v0.4.6
Dec 02 10:48:24.339 INFO [stderr]    Compiling png v0.11.0
Dec 02 10:48:24.339 INFO [stderr]    Compiling handlebars v0.32.4
Dec 02 10:48:24.339 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 02 10:48:38.584 INFO [stderr]    Compiling simplelog v0.5.3
Dec 02 10:48:38.931 INFO [stderr]    Compiling image v0.18.0
Dec 02 10:48:47.051 INFO [stderr]    Compiling criterion v0.2.5
Dec 02 10:49:04.111 INFO [stderr]    Compiling wu-diff v0.1.1 (/source)
Dec 02 10:49:06.664 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 10:49:06.665 INFO [stderr]  --> tests/lib.rs:1:1
Dec 02 10:49:06.665 INFO [stderr]   |
Dec 02 10:49:06.665 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 02 10:49:06.665 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:49:06.665 INFO [stderr] 
Dec 02 10:49:06.665 INFO [stderr] error: aborting due to previous error
Dec 02 10:49:06.665 INFO [stderr] 
Dec 02 10:49:06.665 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 10:49:06.676 INFO [stderr] error: Could not compile `wu-diff`.
Dec 02 10:49:06.676 INFO [stderr] 
Dec 02 10:49:06.676 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 10:49:06.680 INFO [stderr] su: No module specific data is present
Dec 02 10:49:07.007 INFO running `"docker" "inspect" "bb50a7b4dacb231f1dabf95f9203fa914eecf61db9183f3203886a2fa61d271c"`
Dec 02 10:49:07.092 INFO running `"docker" "rm" "-f" "bb50a7b4dacb231f1dabf95f9203fa914eecf61db9183f3203886a2fa61d271c"`
Dec 02 10:49:07.191 INFO [stdout] bb50a7b4dacb231f1dabf95f9203fa914eecf61db9183f3203886a2fa61d271c