Dec 02 15:16:27.840 INFO testing streamlink-0.3.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 15:16:27.840 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 15:16:27.999 INFO [stdout] e18be73680b5724b01a498e6a8ac0271854cda5e325b6f30e384e482592c5493
Dec 02 15:16:28.004 INFO running `"docker" "start" "-a" "e18be73680b5724b01a498e6a8ac0271854cda5e325b6f30e384e482592c5493"`
Dec 02 15:16:28.547 INFO [stderr] usermod: no changes
Dec 02 15:16:28.750 INFO [stderr]    Compiling parking_lot_core v0.4.0
Dec 02 15:16:28.751 INFO [stderr]    Compiling clicolors-control v0.3.0
Dec 02 15:16:28.758 INFO [stderr]    Compiling clicolors-control v0.2.0
Dec 02 15:16:31.818 INFO [stderr]    Compiling parking_lot v0.7.0
Dec 02 15:16:33.842 INFO [stderr]    Compiling console v0.7.0
Dec 02 15:16:33.842 INFO [stderr]    Compiling console v0.6.2
Dec 02 15:16:37.426 INFO [stderr]    Compiling indicatif v0.9.0
Dec 02 15:16:41.029 INFO [stderr]    Compiling streamlink v0.3.1 (/source)
Dec 02 15:16:43.974 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:16:43.974 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 15:16:43.974 INFO [stderr]   |
Dec 02 15:16:43.974 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 02 15:16:43.974 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:16:43.974 INFO [stderr] 
Dec 02 15:16:43.976 INFO [stderr] error: aborting due to previous error
Dec 02 15:16:43.976 INFO [stderr] 
Dec 02 15:16:43.976 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:16:43.988 INFO [stderr] error: Could not compile `streamlink`.
Dec 02 15:16:43.988 INFO [stderr] 
Dec 02 15:16:43.988 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:16:43.991 INFO [stderr] su: No module specific data is present
Dec 02 15:16:44.323 INFO running `"docker" "inspect" "e18be73680b5724b01a498e6a8ac0271854cda5e325b6f30e384e482592c5493"`
Dec 02 15:16:44.480 INFO running `"docker" "rm" "-f" "e18be73680b5724b01a498e6a8ac0271854cda5e325b6f30e384e482592c5493"`
Dec 02 15:16:44.576 INFO [stdout] e18be73680b5724b01a498e6a8ac0271854cda5e325b6f30e384e482592c5493