Dec 02 20:55:09.320 INFO testing rcache-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 20:55:09.320 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 02 20:55:09.590 INFO [stdout] 97cd07225212249e1e70af9a48a6726b2c1196739691881b4dabf2fefb44cc0d
Dec 02 20:55:09.592 INFO running `"docker" "start" "-a" "97cd07225212249e1e70af9a48a6726b2c1196739691881b4dabf2fefb44cc0d"`
Dec 02 20:55:10.631 INFO [stderr] usermod: no changes
Dec 02 20:55:10.858 INFO [stderr]    Compiling strsim v0.4.1
Dec 02 20:55:11.796 INFO [stderr]    Compiling clap v2.2.6
Dec 02 20:55:20.678 INFO [stderr]    Compiling rcache v0.1.1 (/source)
Dec 02 20:55:25.658 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:55:25.659 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 20:55:25.659 INFO [stderr]   |
Dec 02 20:55:25.659 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 02 20:55:25.659 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:55:25.659 INFO [stderr] 
Dec 02 20:55:25.659 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:55:25.659 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 20:55:25.659 INFO [stderr]   |
Dec 02 20:55:25.659 INFO [stderr] 2 | #![feature(try_from)]
Dec 02 20:55:25.659 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:55:25.659 INFO [stderr] 
Dec 02 20:55:25.659 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:55:25.659 INFO [stderr]  --> src/lib.rs:3:1
Dec 02 20:55:25.659 INFO [stderr]   |
Dec 02 20:55:25.659 INFO [stderr] 3 | #![feature(plugin)]
Dec 02 20:55:25.659 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 02 20:55:25.659 INFO [stderr] 
Dec 02 20:55:25.659 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:55:25.659 INFO [stderr]  --> src/lib.rs:4:1
Dec 02 20:55:25.659 INFO [stderr]   |
Dec 02 20:55:25.659 INFO [stderr] 4 | #![feature(test)]
Dec 02 20:55:25.659 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 20:55:25.659 INFO [stderr] 
Dec 02 20:55:25.659 INFO [stderr] error: aborting due to 4 previous errors
Dec 02 20:55:25.659 INFO [stderr] 
Dec 02 20:55:25.659 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:55:25.671 INFO [stderr] error: Could not compile `rcache`.
Dec 02 20:55:25.671 INFO [stderr] 
Dec 02 20:55:25.671 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 20:55:25.671 INFO [stderr] su: No module specific data is present
Dec 02 20:55:26.160 INFO running `"docker" "inspect" "97cd07225212249e1e70af9a48a6726b2c1196739691881b4dabf2fefb44cc0d"`
Dec 02 20:55:26.284 INFO running `"docker" "rm" "-f" "97cd07225212249e1e70af9a48a6726b2c1196739691881b4dabf2fefb44cc0d"`
Dec 02 20:55:26.403 INFO [stdout] 97cd07225212249e1e70af9a48a6726b2c1196739691881b4dabf2fefb44cc0d