[INFO] updating cached repository Johni0702/mumble-web-proxy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Johni0702/mumble-web-proxy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Johni0702/mumble-web-proxy" "work/ex/beta-1.38-1/sources/1.37.0/gh/Johni0702/mumble-web-proxy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Johni0702/mumble-web-proxy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Johni0702/mumble-web-proxy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Johni0702/mumble-web-proxy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Johni0702/mumble-web-proxy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 20848303e961402c6175b438882e7af51b1c6c1b [INFO] sha for GitHub repo Johni0702/mumble-web-proxy: 20848303e961402c6175b438882e7af51b1c6c1b [INFO] validating manifest of Johni0702/mumble-web-proxy on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Johni0702/mumble-web-proxy on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Johni0702/mumble-web-proxy [INFO] finished frobbing Johni0702/mumble-web-proxy [INFO] frobbed toml for Johni0702/mumble-web-proxy written to work/ex/beta-1.38-1/sources/1.37.0/gh/Johni0702/mumble-web-proxy/Cargo.toml [INFO] started frobbing Johni0702/mumble-web-proxy [INFO] finished frobbing Johni0702/mumble-web-proxy [INFO] frobbed toml for Johni0702/mumble-web-proxy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Johni0702/mumble-web-proxy/Cargo.toml [INFO] crate Johni0702/mumble-web-proxy already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Johni0702/mumble-web-proxy against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Johni0702/mumble-web-proxy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] de04be1e03384c31a53f1082a530dfecf7ee61bcaf840aa4199aebc30c74f611 [INFO] running `"docker" "start" "-a" "de04be1e03384c31a53f1082a530dfecf7ee61bcaf840aa4199aebc30c74f611"` [INFO] [stderr] Compiling protobuf v2.2.0 [INFO] [stderr] Compiling bindgen v0.42.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling handy_async v0.2.13 [INFO] [stderr] Compiling webrtc-sdp v0.1.0 (https://github.com/nils-ohlmeier/rsdparsa/?rev=ccf6249#ccf62490) [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling clang-sys v0.26.4 [INFO] [stderr] Compiling block-buffer v0.7.2 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling trackable v0.1.8 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling nom v4.2.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling sha-1 v0.8.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-tls v0.2.0 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling tokio-threadpool v0.1.9 [INFO] [stderr] Compiling tungstenite v0.6.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling cexpr v0.3.4 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-uds v0.2.4 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling tokio v0.1.13 [INFO] [stderr] Compiling tokio-dns-unofficial v0.3.1 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling rtp v0.1.0 (https://github.com/johni0702/rtp?rev=ee8be93#ee8be938) [INFO] [stderr] Compiling protobuf-codegen v2.2.0 [INFO] [stderr] Compiling tokio-tungstenite v0.6.0 [INFO] [stderr] Compiling protobuf-codegen-pure v2.2.0 [INFO] [stderr] Compiling mumble-protocol v0.1.0 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mumble-protocol-0.1.0/src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling libnice-sys v0.1.0 [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `mumble-protocol`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "de04be1e03384c31a53f1082a530dfecf7ee61bcaf840aa4199aebc30c74f611"` [INFO] running `"docker" "rm" "-f" "de04be1e03384c31a53f1082a530dfecf7ee61bcaf840aa4199aebc30c74f611"` [INFO] [stdout] de04be1e03384c31a53f1082a530dfecf7ee61bcaf840aa4199aebc30c74f611