Dec 02 06:48:46.427 INFO testing J-F-Liu/ApiProxy against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 06:48:46.427 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 06:48:47.099 INFO [stdout] 245f84d95ee7be226cd40b00f911f5f7f33be310c31ae9d805133ea4f61d730c
Dec 02 06:48:47.101 INFO running `"docker" "start" "-a" "245f84d95ee7be226cd40b00f911f5f7f33be310c31ae9d805133ea4f61d730c"`
Dec 02 06:48:48.902 INFO [stderr] usermod: no changes
Dec 02 06:48:49.157 INFO [stderr]    Compiling mustache v0.8.1
Dec 02 06:48:49.163 INFO [stderr]    Compiling toml v0.4.5
Dec 02 06:48:49.199 INFO [stderr]    Compiling uritemplate v0.1.2
Dec 02 06:48:54.515 INFO [stderr]    Compiling nickel v0.10.0
Dec 02 06:49:04.154 INFO [stderr]    Compiling api_proxy v0.3.0 (/source)
Dec 02 06:49:06.611 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 06:49:06.611 INFO [stderr]  --> src/main.rs:1:1
Dec 02 06:49:06.611 INFO [stderr]   |
Dec 02 06:49:06.611 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 02 06:49:06.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 06:49:06.611 INFO [stderr] 
Dec 02 06:49:06.611 INFO [stderr] error: aborting due to previous error
Dec 02 06:49:06.611 INFO [stderr] 
Dec 02 06:49:06.611 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 06:49:06.624 INFO [stderr] error: Could not compile `api_proxy`.
Dec 02 06:49:06.624 INFO [stderr] 
Dec 02 06:49:06.624 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 06:49:06.625 INFO [stderr] su: No module specific data is present
Dec 02 06:49:07.618 INFO running `"docker" "inspect" "245f84d95ee7be226cd40b00f911f5f7f33be310c31ae9d805133ea4f61d730c"`
Dec 02 06:49:07.946 INFO running `"docker" "rm" "-f" "245f84d95ee7be226cd40b00f911f5f7f33be310c31ae9d805133ea4f61d730c"`
Dec 02 06:49:08.239 INFO [stdout] 245f84d95ee7be226cd40b00f911f5f7f33be310c31ae9d805133ea4f61d730c