[INFO] fetching crate vinyl-core 0.0.2...
[INFO] documenting vinyl-core-0.0.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vinyl-core 0.0.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate vinyl-core 0.0.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vinyl-core 0.0.2
[INFO] finished tweaking crates.io crate vinyl-core 0.0.2
[INFO] tweaked toml for crates.io crate vinyl-core 0.0.2 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bde7dfdfca83d33338b99e5e63bb5024a02530ace74356a98e5aedd3e2aad35
[INFO] running `Command { std: "docker" "start" "-a" "5bde7dfdfca83d33338b99e5e63bb5024a02530ace74356a98e5aedd3e2aad35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bde7dfdfca83d33338b99e5e63bb5024a02530ace74356a98e5aedd3e2aad35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bde7dfdfca83d33338b99e5e63bb5024a02530ace74356a98e5aedd3e2aad35", kill_on_drop: false }`
[INFO] [stdout] 5bde7dfdfca83d33338b99e5e63bb5024a02530ace74356a98e5aedd3e2aad35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f198906c7d8007818700ec8b34e4d1c307b085a93ea48e63e1ccf7ac56fcaec1
[INFO] running `Command { std: "docker" "start" "-a" "f198906c7d8007818700ec8b34e4d1c307b085a93ea48e63e1ccf7ac56fcaec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting vinyl-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stdout]   --> src/proto/example.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_27_1`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-e8277880ae8d0c28/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_27_1: () = ();
[INFO] [stdout]    | ---------------------------------- similarly named constant `VERSION_2_27_1` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stdout]   --> src/proto/transport.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_27_1`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-e8277880ae8d0c28/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_27_1: () = ();
[INFO] [stdout]    | ---------------------------------- similarly named constant `VERSION_2_27_1` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `vinyl-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name vinyl_core src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=753c86ac5b6fb498 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-272965a153b7c82b.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-3947ae5d3de13d8d.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ba9206a02be69ed2.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f198906c7d8007818700ec8b34e4d1c307b085a93ea48e63e1ccf7ac56fcaec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f198906c7d8007818700ec8b34e4d1c307b085a93ea48e63e1ccf7ac56fcaec1", kill_on_drop: false }`
[INFO] [stdout] f198906c7d8007818700ec8b34e4d1c307b085a93ea48e63e1ccf7ac56fcaec1