[INFO] crate quinn-proto 0.2.0 is already in cache
[INFO] extracting crate quinn-proto 0.2.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/quinn-proto/0.2.0
[INFO] extracting crate quinn-proto 0.2.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/quinn-proto/0.2.0
[INFO] validating manifest of quinn-proto-0.2.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of quinn-proto-0.2.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing quinn-proto-0.2.0
[INFO] finished frobbing quinn-proto-0.2.0
[INFO] frobbed toml for quinn-proto-0.2.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/quinn-proto/0.2.0/Cargo.toml
[INFO] started frobbing quinn-proto-0.2.0
[INFO] finished frobbing quinn-proto-0.2.0
[INFO] frobbed toml for quinn-proto-0.2.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/quinn-proto/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking quinn-proto-0.2.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/quinn-proto/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 77b6b646b5946b8f2d1b82d11c2ae711436dbc96d37bae05e42975aee8729255
[INFO] running `"docker" "start" "-a" "77b6b646b5946b8f2d1b82d11c2ae711436dbc96d37bae05e42975aee8729255"`
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking quinn-proto v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/connection.rs:2676:9
[INFO] [stderr]      |
[INFO] [stderr] 2669 |         let space = self.space(SpaceId::Data);
[INFO] [stderr]      |                     ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 2676 |         self.update_keys(update, space.next_packet_number, false);
[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 `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]     --> src/connection.rs:2676:9
[INFO] [stderr]      |
[INFO] [stderr] 2669 |         let space = self.space(SpaceId::Data);
[INFO] [stderr]      |                     ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 2676 |         self.update_keys(update, space.next_packet_number, false);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `"docker" "inspect" "77b6b646b5946b8f2d1b82d11c2ae711436dbc96d37bae05e42975aee8729255"`
[INFO] running `"docker" "rm" "-f" "77b6b646b5946b8f2d1b82d11c2ae711436dbc96d37bae05e42975aee8729255"`
[INFO] [stdout] 77b6b646b5946b8f2d1b82d11c2ae711436dbc96d37bae05e42975aee8729255