[INFO] crate mumble-protocol 0.2.0 is already in cache
[INFO] extracting crate mumble-protocol 0.2.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mumble-protocol/0.2.0
[INFO] extracting crate mumble-protocol 0.2.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mumble-protocol/0.2.0
[INFO] validating manifest of mumble-protocol-0.2.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mumble-protocol-0.2.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mumble-protocol-0.2.0
[INFO] finished frobbing mumble-protocol-0.2.0
[INFO] frobbed toml for mumble-protocol-0.2.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mumble-protocol/0.2.0/Cargo.toml
[INFO] started frobbing mumble-protocol-0.2.0
[INFO] finished frobbing mumble-protocol-0.2.0
[INFO] frobbed toml for mumble-protocol-0.2.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mumble-protocol/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mumble-protocol-0.2.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mumble-protocol/0.2.0:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e28d1aad6ae6ba09ec366e12837deb93829909e667c379f02e8ad0e686613737
[INFO] running `"docker" "start" "-a" "e28d1aad6ae6ba09ec366e12837deb93829909e667c379f02e8ad0e686613737"`
[INFO] [stderr]    Compiling mumble-protocol v0.2.0 (/opt/crater/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/59159>
[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/echo_client.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `"docker" "inspect" "e28d1aad6ae6ba09ec366e12837deb93829909e667c379f02e8ad0e686613737"`
[INFO] running `"docker" "rm" "-f" "e28d1aad6ae6ba09ec366e12837deb93829909e667c379f02e8ad0e686613737"`
[INFO] [stdout] e28d1aad6ae6ba09ec366e12837deb93829909e667c379f02e8ad0e686613737