Dec 03 01:50:17.579 INFO testing merkle_tree-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 01:50:17.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 01:50:18.012 INFO [stdout] e68674ce80076b197cd98224e2dfebdf4b384103c1707384b9fde1d4302f631e
Dec 03 01:50:18.014 INFO running `"docker" "start" "-a" "e68674ce80076b197cd98224e2dfebdf4b384103c1707384b9fde1d4302f631e"`
Dec 03 01:50:18.892 INFO [stderr] usermod: no changes
Dec 03 01:50:19.051 INFO [stderr]    Compiling rmp-serde v0.13.7
Dec 03 01:50:20.987 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 03 01:50:24.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
Dec 03 01:50:24.899 INFO [stderr] su: No module specific data is present
Dec 03 01:50:25.291 INFO running `"docker" "inspect" "e68674ce80076b197cd98224e2dfebdf4b384103c1707384b9fde1d4302f631e"`
Dec 03 01:50:25.392 INFO running `"docker" "rm" "-f" "e68674ce80076b197cd98224e2dfebdf4b384103c1707384b9fde1d4302f631e"`
Dec 03 01:50:25.567 INFO [stdout] e68674ce80076b197cd98224e2dfebdf4b384103c1707384b9fde1d4302f631e
Dec 03 01:50:25.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 01:50:25.806 INFO [stdout] 8363a3ab4e76ebd8664239e05d1339eadf370e43e0c535f19eba9f05ee07971c
Dec 03 01:50:25.808 INFO running `"docker" "start" "-a" "8363a3ab4e76ebd8664239e05d1339eadf370e43e0c535f19eba9f05ee07971c"`
Dec 03 01:50:26.339 INFO [stderr] usermod: no changes
Dec 03 01:50:26.453 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 03 01:50:30.106 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 01:50:30.107 INFO [stderr]  --> tests/bench_build_tree.rs:1:1
Dec 03 01:50:30.107 INFO [stderr]   |
Dec 03 01:50:30.107 INFO [stderr] 1 | #![feature(test)]
Dec 03 01:50:30.107 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 03 01:50:30.107 INFO [stderr] 
Dec 03 01:50:30.107 INFO [stderr] error: aborting due to previous error
Dec 03 01:50:30.107 INFO [stderr] 
Dec 03 01:50:30.107 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 01:50:30.119 INFO [stderr] error: Could not compile `merkle_tree`.
Dec 03 01:50:30.119 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 01:50:30.330 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 01:50:30.330 INFO [stderr]  --> tests/bench_append.rs:1:1
Dec 03 01:50:30.330 INFO [stderr]   |
Dec 03 01:50:30.330 INFO [stderr] 1 | #![feature(test)]
Dec 03 01:50:30.330 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 03 01:50:30.330 INFO [stderr] 
Dec 03 01:50:30.330 INFO [stderr] error: aborting due to previous error
Dec 03 01:50:30.330 INFO [stderr] 
Dec 03 01:50:30.330 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 01:50:30.332 INFO [stderr] error: Could not compile `merkle_tree`.
Dec 03 01:50:30.332 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 01:50:34.583 INFO [stderr] error: build failed
Dec 03 01:50:34.584 INFO [stderr] su: No module specific data is present
Dec 03 01:50:35.312 INFO running `"docker" "inspect" "8363a3ab4e76ebd8664239e05d1339eadf370e43e0c535f19eba9f05ee07971c"`
Dec 03 01:50:35.533 INFO running `"docker" "rm" "-f" "8363a3ab4e76ebd8664239e05d1339eadf370e43e0c535f19eba9f05ee07971c"`
Dec 03 01:50:35.694 INFO [stdout] 8363a3ab4e76ebd8664239e05d1339eadf370e43e0c535f19eba9f05ee07971c