Dec 02 12:22:29.158 INFO testing unsplash-rs-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 12:22:29.158 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:22:29.661 INFO [stdout] cfc5aee071b9ecc9536d59ce727d93b7791666c7726ba83cf2c0c4483870be33
Dec 02 12:22:29.665 INFO running `"docker" "start" "-a" "cfc5aee071b9ecc9536d59ce727d93b7791666c7726ba83cf2c0c4483870be33"`
Dec 02 12:22:30.982 INFO [stderr] usermod: no changes
Dec 02 12:22:31.315 INFO [stderr]    Compiling serde_url_params v0.1.1
Dec 02 12:22:32.587 INFO [stderr]    Compiling unsplash-rs v0.1.1 (/source)
Dec 02 12:22:38.247 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 12:22:38.248 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 12:22:38.248 INFO [stderr]   |
Dec 02 12:22:38.248 INFO [stderr] 1 | #![feature(option_replace)]
Dec 02 12:22:38.248 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:22:38.248 INFO [stderr] 
Dec 02 12:22:38.257 INFO [stderr] error: aborting due to previous error
Dec 02 12:22:38.257 INFO [stderr] 
Dec 02 12:22:38.257 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 12:22:38.281 INFO [stderr] error: Could not compile `unsplash-rs`.
Dec 02 12:22:38.281 INFO [stderr] 
Dec 02 12:22:38.281 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 12:22:38.283 INFO [stderr] su: No module specific data is present
Dec 02 12:22:39.598 INFO running `"docker" "inspect" "cfc5aee071b9ecc9536d59ce727d93b7791666c7726ba83cf2c0c4483870be33"`
Dec 02 12:22:39.915 INFO running `"docker" "rm" "-f" "cfc5aee071b9ecc9536d59ce727d93b7791666c7726ba83cf2c0c4483870be33"`
Dec 02 12:22:40.211 INFO [stdout] cfc5aee071b9ecc9536d59ce727d93b7791666c7726ba83cf2c0c4483870be33