Dec 02 12:40:27.370 INFO testing type-info-0.2.1 against 1.30.1 for beta-1.31-5
Dec 02 12:40:27.370 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 02 12:40:27.670 INFO [stdout] 21208a27be2c688daa5dc3ec6d9f7a954a407229934785ab62cb25230e0c0e2f
Dec 02 12:40:27.675 INFO running `"docker" "start" "-a" "21208a27be2c688daa5dc3ec6d9f7a954a407229934785ab62cb25230e0c0e2f"`
Dec 02 12:40:28.096 INFO [stderr] usermod: no changes
Dec 02 12:40:28.129 INFO [stderr]    Compiling type-info v0.2.1 (/source)
Dec 02 12:40:28.698 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 12:40:28.698 INFO [stderr]    --> src/lib.rs:107:1
Dec 02 12:40:28.698 INFO [stderr]     |
Dec 02 12:40:28.698 INFO [stderr] 107 | #![feature(const_type_id)]
Dec 02 12:40:28.699 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:40:28.699 INFO [stderr] 
Dec 02 12:40:28.699 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 12:40:28.699 INFO [stderr]    --> src/lib.rs:108:1
Dec 02 12:40:28.699 INFO [stderr]     |
Dec 02 12:40:28.699 INFO [stderr] 108 | #![feature(specialization)]
Dec 02 12:40:28.699 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:40:28.699 INFO [stderr] 
Dec 02 12:40:28.700 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 12:40:28.700 INFO [stderr] 
Dec 02 12:40:28.700 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 12:40:28.704 INFO [stderr] error: Could not compile `type-info`.
Dec 02 12:40:28.704 INFO [stderr] 
Dec 02 12:40:28.704 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 12:40:28.706 INFO [stderr] su: No module specific data is present
Dec 02 12:40:29.052 INFO running `"docker" "inspect" "21208a27be2c688daa5dc3ec6d9f7a954a407229934785ab62cb25230e0c0e2f"`
Dec 02 12:40:29.164 INFO running `"docker" "rm" "-f" "21208a27be2c688daa5dc3ec6d9f7a954a407229934785ab62cb25230e0c0e2f"`
Dec 02 12:40:29.280 INFO [stdout] 21208a27be2c688daa5dc3ec6d9f7a954a407229934785ab62cb25230e0c0e2f