Dec 03 04:43:25.060 INFO testing intercom-utils-0.2.0 against 1.30.1 for beta-1.31-5
Dec 03 04:43:25.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03 04:43:25.518 INFO [stdout] 5f0ecb5ea9058173f1541a262214a567a410cdb6f0ba9a3eac0262c42b85c8ce
Dec 03 04:43:25.520 INFO running `"docker" "start" "-a" "5f0ecb5ea9058173f1541a262214a567a410cdb6f0ba9a3eac0262c42b85c8ce"`
Dec 03 04:43:27.055 INFO [stderr] usermod: no changes
Dec 03 04:43:27.191 INFO [stderr]    Compiling sha1 v0.3.0
Dec 03 04:43:27.191 INFO [stderr]    Compiling if_chain v0.1.3
Dec 03 04:43:27.896 INFO [stderr]    Compiling intercom-common v0.2.0
Dec 03 04:43:34.847 INFO [stderr]    Compiling intercom-utils v0.2.0 (/source)
Dec 03 04:43:40.035 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 04:43:40.035 INFO [stderr]  --> src/main.rs:1:1
Dec 03 04:43:40.035 INFO [stderr]   |
Dec 03 04:43:40.035 INFO [stderr] 1 | #![feature(try_trait)]
Dec 03 04:43:40.035 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 04:43:40.035 INFO [stderr] 
Dec 03 04:43:40.035 INFO [stderr] error: aborting due to previous error
Dec 03 04:43:40.035 INFO [stderr] 
Dec 03 04:43:40.035 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 04:43:40.043 INFO [stderr] error: Could not compile `intercom-utils`.
Dec 03 04:43:40.043 INFO [stderr] 
Dec 03 04:43:40.043 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:43:40.051 INFO [stderr] su: No module specific data is present
Dec 03 04:43:40.912 INFO running `"docker" "inspect" "5f0ecb5ea9058173f1541a262214a567a410cdb6f0ba9a3eac0262c42b85c8ce"`
Dec 03 04:43:41.327 INFO running `"docker" "rm" "-f" "5f0ecb5ea9058173f1541a262214a567a410cdb6f0ba9a3eac0262c42b85c8ce"`
Dec 03 04:43:41.771 INFO [stdout] 5f0ecb5ea9058173f1541a262214a567a410cdb6f0ba9a3eac0262c42b85c8ce