[INFO] crate tokio-bincode 0.1.0 is already in cache
[INFO] checking tokio-bincode-0.1.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate tokio-bincode 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tokio-bincode 0.1.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-bincode 0.1.0
[INFO] finished tweaking crates.io crate tokio-bincode 0.1.0
[INFO] tweaked toml for crates.io crate tokio-bincode 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce2e539b522af2fe7e691418190f7a566e3331c7fef57743b405a5a02e5a5a84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce2e539b522af2fe7e691418190f7a566e3331c7fef57743b405a5a02e5a5a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2e539b522af2fe7e691418190f7a566e3331c7fef57743b405a5a02e5a5a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2e539b522af2fe7e691418190f7a566e3331c7fef57743b405a5a02e5a5a84", kill_on_drop: false }`
[INFO] [stdout] ce2e539b522af2fe7e691418190f7a566e3331c7fef57743b405a5a02e5a5a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72991bea657e4ad035c409da7b0f91d0221d9969c2bc1daa429947e4bd941c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a72991bea657e4ad035c409da7b0f91d0221d9969c2bc1daa429947e4bd941c4", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking tokio-bincode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*buf` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut reader = Reader::new(&buf[..]);
[INFO] [stdout]    |                                           --- immutable borrow occurs here
[INFO] [stdout] 69 |             let message = self.config.deserialize_from(&mut reader)?;
[INFO] [stdout] 70 |             buf.split_to(reader.amount());
[INFO] [stdout]    |             ^^^          ------ immutable borrow later used here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stdout] warning: cannot borrow `*buf` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut reader = Reader::new(&buf[..]);
[INFO] [stdout]    |                                           --- immutable borrow occurs here
[INFO] [stdout] 69 |             let message = self.config.deserialize_from(&mut reader)?;
[INFO] [stdout] 70 |             buf.split_to(reader.amount());
[INFO] [stdout]    |             ^^^          ------ immutable borrow later used here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.19s
[INFO] running `Command { std: "docker" "inspect" "a72991bea657e4ad035c409da7b0f91d0221d9969c2bc1daa429947e4bd941c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72991bea657e4ad035c409da7b0f91d0221d9969c2bc1daa429947e4bd941c4", kill_on_drop: false }`
[INFO] [stdout] a72991bea657e4ad035c409da7b0f91d0221d9969c2bc1daa429947e4bd941c4