[INFO] crate mumble-protocol 0.2.0 is already in cache [INFO] testing mumble-protocol-0.2.0 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate mumble-protocol 0.2.0 into work/builds/worker-8/source [INFO] validating manifest of crates.io crate mumble-protocol 0.2.0 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mumble-protocol 0.2.0 [INFO] finished tweaking crates.io crate mumble-protocol 0.2.0 [INFO] tweaked toml for crates.io crate mumble-protocol 0.2.0 written to work/builds/worker-8/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] a2857932d040c2453971f17eb68bb7b574a69d8b1123b3c6978935b6264544b5 [INFO] running `"docker" "start" "-a" "a2857932d040c2453971f17eb68bb7b574a69d8b1123b3c6978935b6264544b5"` [INFO] [stderr] Compiling protobuf-codegen-pure v2.8.1 [INFO] [stderr] Compiling mumble-protocol v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: cannot borrow `*buf_mut` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/voice.rs:155:21 [INFO] [stderr] | [INFO] [stderr] 141 | let mut buf = (&*buf_mut).into_buf(); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 155 | buf_mut.advance(buf.position() as usize); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*buf_mut` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/voice.rs:181:21 [INFO] [stderr] | [INFO] [stderr] 141 | let mut buf = (&*buf_mut).into_buf(); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | buf_mut.advance(buf.position() as usize); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.30s [INFO] running `"docker" "inspect" "a2857932d040c2453971f17eb68bb7b574a69d8b1123b3c6978935b6264544b5"` [INFO] running `"docker" "rm" "-f" "a2857932d040c2453971f17eb68bb7b574a69d8b1123b3c6978935b6264544b5"` [INFO] [stdout] a2857932d040c2453971f17eb68bb7b574a69d8b1123b3c6978935b6264544b5 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 90751e6bbf177481418b2d15322a48bdc6e12d51acfcc26ac7ba572de8ba1ae1 [INFO] running `"docker" "start" "-a" "90751e6bbf177481418b2d15322a48bdc6e12d51acfcc26ac7ba572de8ba1ae1"` [INFO] [stderr] Compiling tokio-tls v0.2.1 [INFO] [stderr] Compiling mumble-protocol v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> examples/echo_client.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*buf_mut` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/voice.rs:155:21 [INFO] [stderr] | [INFO] [stderr] 141 | let mut buf = (&*buf_mut).into_buf(); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 155 | buf_mut.advance(buf.position() as usize); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*buf_mut` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/voice.rs:181:21 [INFO] [stderr] | [INFO] [stderr] 141 | let mut buf = (&*buf_mut).into_buf(); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | buf_mut.advance(buf.position() as usize); [INFO] [stderr] | ^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [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" "90751e6bbf177481418b2d15322a48bdc6e12d51acfcc26ac7ba572de8ba1ae1"` [INFO] running `"docker" "rm" "-f" "90751e6bbf177481418b2d15322a48bdc6e12d51acfcc26ac7ba572de8ba1ae1"` [INFO] [stdout] 90751e6bbf177481418b2d15322a48bdc6e12d51acfcc26ac7ba572de8ba1ae1