Dec 02 06:14:48.572 INFO testing Kerp1/Advent-of-Code-2016 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5 Dec 02 06:14:48.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 06:14:49.038 INFO [stdout] 8989805faaad058be97f4bf7e37c33ddda85cd17774f13a4ae8b05de0bd3e604 Dec 02 06:14:49.045 INFO running `"docker" "start" "-a" "8989805faaad058be97f4bf7e37c33ddda85cd17774f13a4ae8b05de0bd3e604"` Dec 02 06:14:50.440 INFO [stderr] usermod: no changes Dec 02 06:14:50.591 INFO [stderr] Compiling rust-crypto v0.2.36 Dec 02 06:15:00.191 INFO [stderr] Compiling advent_of_code v0.1.0 (/source) Dec 02 06:15:01.004 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel Dec 02 06:15:01.004 INFO [stderr] --> src/main.rs:1:1 Dec 02 06:15:01.004 INFO [stderr] | Dec 02 06:15:01.004 INFO [stderr] 1 | #![feature(unboxed_closures)] Dec 02 06:15:01.004 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 02 06:15:01.004 INFO [stderr] Dec 02 06:15:01.004 INFO [stderr] error: aborting due to previous error Dec 02 06:15:01.004 INFO [stderr] Dec 02 06:15:01.004 INFO [stderr] For more information about this error, try `rustc --explain E0554`. Dec 02 06:15:01.023 INFO [stderr] error: Could not compile `advent_of_code`. Dec 02 06:15:01.023 INFO [stderr] Dec 02 06:15:01.024 INFO [stderr] To learn more, run the command again with --verbose. Dec 02 06:15:01.024 INFO [stderr] su: No module specific data is present Dec 02 06:15:01.505 INFO running `"docker" "inspect" "8989805faaad058be97f4bf7e37c33ddda85cd17774f13a4ae8b05de0bd3e604"` Dec 02 06:15:01.760 INFO running `"docker" "rm" "-f" "8989805faaad058be97f4bf7e37c33ddda85cd17774f13a4ae8b05de0bd3e604"` Dec 02 06:15:01.967 INFO [stdout] 8989805faaad058be97f4bf7e37c33ddda85cd17774f13a4ae8b05de0bd3e604