Dec 01 16:00:23.029 INFO testing hayatoito/icfp2017 against 1.30.1 for beta-1.31-5
Dec 01 16:00:23.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 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 01 16:00:23.467 INFO [stdout] 30d02617173296a998d476b9d57beb0862666a3938b8c66f9b8966d7bfb0622d
Dec 01 16:00:23.473 INFO running `"docker" "start" "-a" "30d02617173296a998d476b9d57beb0862666a3938b8c66f9b8966d7bfb0622d"`
Dec 01 16:00:24.464 INFO [stderr] usermod: no changes
Dec 01 16:00:24.767 INFO [stderr]    Compiling num_cpus v0.2.13
Dec 01 16:00:24.779 INFO [stderr]    Compiling bincode v0.8.0
Dec 01 16:00:24.785 INFO [stderr]    Compiling loggerv v0.3.0
Dec 01 16:00:24.788 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 01 16:00:24.788 INFO [stderr]    Compiling cookie v0.2.5
Dec 01 16:00:24.788 INFO [stderr]    Compiling pbr v1.0.0
Dec 01 16:00:24.788 INFO [stderr]    Compiling chrono v0.2.25
Dec 01 16:00:24.788 INFO [stderr]    Compiling env_logger v0.4.3
Dec 01 16:00:31.003 INFO [stderr]    Compiling rayon v0.8.2
Dec 01 16:00:32.199 INFO [stderr]    Compiling hyper v0.9.18
Dec 01 16:00:41.852 INFO [stderr]    Compiling iron v0.4.0
Dec 01 16:00:44.135 INFO [stderr]    Compiling logger v0.3.0
Dec 01 16:00:46.247 INFO [stderr]    Compiling icfp2017 v0.1.0 (/source)
Dec 01 16:00:47.763 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 16:00:47.763 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 16:00:47.763 INFO [stderr]   |
Dec 01 16:00:47.763 INFO [stderr] 1 | #![feature(custom_attribute)]
Dec 01 16:00:47.763 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:00:47.763 INFO [stderr] 
Dec 01 16:00:47.783 INFO [stderr] error: aborting due to previous error
Dec 01 16:00:47.783 INFO [stderr] 
Dec 01 16:00:47.783 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 16:00:47.799 INFO [stderr] error: Could not compile `icfp2017`.
Dec 01 16:00:47.799 INFO [stderr] 
Dec 01 16:00:47.799 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 16:00:47.799 INFO [stderr] su: No module specific data is present
Dec 01 16:00:48.141 INFO running `"docker" "inspect" "30d02617173296a998d476b9d57beb0862666a3938b8c66f9b8966d7bfb0622d"`
Dec 01 16:00:48.300 INFO running `"docker" "rm" "-f" "30d02617173296a998d476b9d57beb0862666a3938b8c66f9b8966d7bfb0622d"`
Dec 01 16:00:48.458 INFO [stdout] 30d02617173296a998d476b9d57beb0862666a3938b8c66f9b8966d7bfb0622d
