[INFO] fetching crate mirrord-protocol 0.2.0...
[INFO] testing mirrord-protocol-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mirrord-protocol 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mirrord-protocol 0.2.0
[INFO] finished tweaking crates.io crate mirrord-protocol 0.2.0
[INFO] tweaked toml for crates.io crate mirrord-protocol 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mirrord-protocol 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6ac0899d5d6adf7626ea25d3e401787698eeda1d0e444194db81dab5ec94b5
[INFO] running `Command { std: "docker" "start" "-a" "1c6ac0899d5d6adf7626ea25d3e401787698eeda1d0e444194db81dab5ec94b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6ac0899d5d6adf7626ea25d3e401787698eeda1d0e444194db81dab5ec94b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6ac0899d5d6adf7626ea25d3e401787698eeda1d0e444194db81dab5ec94b5", kill_on_drop: false }`
[INFO] [stdout] 1c6ac0899d5d6adf7626ea25d3e401787698eeda1d0e444194db81dab5ec94b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 687773cc9404663617b1f154414f6aa75c9fc3fe7c6199e6eb966c66ee7ba3f5
[INFO] running `Command { std: "docker" "start" "-a" "687773cc9404663617b1f154414f6aa75c9fc3fe7c6199e6eb966c66ee7ba3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling actix-codec v0.5.2
[INFO] [stderr]    Compiling mirrord-protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0533]: expected unit struct, unit variant or constant, found struct variant `DecodeError::UnexpectedEnd`
[INFO] [stdout]   --> src/codec.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             Err(DecodeError::UnexpectedEnd) => Ok(None),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ not a unit struct, unit variant or constant
[INFO] [stdout]    |
[INFO] [stdout] help: the struct variant's field is being ignored
[INFO] [stdout]    |
[INFO] [stdout] 77 |             Err(DecodeError::UnexpectedEnd { additional: _ }) => Ok(None),
[INFO] [stdout]    |                                            +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0533]: expected unit struct, unit variant or constant, found struct variant `DecodeError::UnexpectedEnd`
[INFO] [stdout]    --> src/codec.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(DecodeError::UnexpectedEnd) => Ok(None),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ not a unit struct, unit variant or constant
[INFO] [stdout]     |
[INFO] [stdout] help: the struct variant's field is being ignored
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(DecodeError::UnexpectedEnd { additional: _ }) => Ok(None),
[INFO] [stdout]     |                                            +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0533`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mirrord-protocol` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "687773cc9404663617b1f154414f6aa75c9fc3fe7c6199e6eb966c66ee7ba3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687773cc9404663617b1f154414f6aa75c9fc3fe7c6199e6eb966c66ee7ba3f5", kill_on_drop: false }`
[INFO] [stdout] 687773cc9404663617b1f154414f6aa75c9fc3fe7c6199e6eb966c66ee7ba3f5