Dec 02 23:37:24.352 INFO testing otpauth-uri-1.0.2 against 1.30.1 for beta-1.31-5
Dec 02 23:37:24.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 23:37:24.824 INFO [stdout] f705d346df22872180834a81babae84dd0c242507531a68b94e05f8f2716414f
Dec 02 23:37:24.825 INFO running `"docker" "start" "-a" "f705d346df22872180834a81babae84dd0c242507531a68b94e05f8f2716414f"`
Dec 02 23:37:26.244 INFO [stderr] usermod: no changes
Dec 02 23:37:26.343 INFO [stderr]    Compiling otpauth-uri v1.0.2 (/source)
Dec 02 23:37:28.127 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:37:28.127 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 23:37:28.127 INFO [stderr]   |
Dec 02 23:37:28.127 INFO [stderr] 1 | #![feature(int_to_from_bytes)]
Dec 02 23:37:28.127 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:37:28.127 INFO [stderr] 
Dec 02 23:37:28.127 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:37:28.127 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 23:37:28.127 INFO [stderr]   |
Dec 02 23:37:28.127 INFO [stderr] 2 | #![feature(try_from)]
Dec 02 23:37:28.127 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:37:28.127 INFO [stderr] 
Dec 02 23:37:28.127 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 23:37:28.127 INFO [stderr] 
Dec 02 23:37:28.127 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:37:28.154 INFO [stderr] error: Could not compile `otpauth-uri`.
Dec 02 23:37:28.155 INFO [stderr] 
Dec 02 23:37:28.155 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:37:28.155 INFO [stderr] su: No module specific data is present
Dec 02 23:37:28.760 INFO running `"docker" "inspect" "f705d346df22872180834a81babae84dd0c242507531a68b94e05f8f2716414f"`
Dec 02 23:37:29.009 INFO running `"docker" "rm" "-f" "f705d346df22872180834a81babae84dd0c242507531a68b94e05f8f2716414f"`
Dec 02 23:37:29.291 INFO [stdout] f705d346df22872180834a81babae84dd0c242507531a68b94e05f8f2716414f