[INFO] fetching crate vinyl 0.0.4...
[INFO] checking vinyl-0.0.4 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate vinyl 0.0.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vinyl 0.0.4 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vinyl 0.0.4
[INFO] finished tweaking crates.io crate vinyl 0.0.4
[INFO] tweaked toml for crates.io crate vinyl 0.0.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9dc530939fe6ccd009a18f27e8775cbfc2fd38692f4df2a31ebe87cb795a5b2
[INFO] running `Command { std: "docker" "start" "-a" "c9dc530939fe6ccd009a18f27e8775cbfc2fd38692f4df2a31ebe87cb795a5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9dc530939fe6ccd009a18f27e8775cbfc2fd38692f4df2a31ebe87cb795a5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9dc530939fe6ccd009a18f27e8775cbfc2fd38692f4df2a31ebe87cb795a5b2", kill_on_drop: false }`
[INFO] [stdout] c9dc530939fe6ccd009a18f27e8775cbfc2fd38692f4df2a31ebe87cb795a5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5fc752c58d956a46e83c160143c59292e81817bfd37e6a4b68948fb8374e8e4
[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" "c5fc752c58d956a46e83c160143c59292e81817bfd37e6a4b68948fb8374e8e4", kill_on_drop: false }`
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tls-api-stub v0.1.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-tls-api v0.1.22
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking vinyl-core v0.0.2
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vinyl-core-0.0.2/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_8_2`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-b520eec427c3cf85/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_2: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_2` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vinyl-core-0.0.2/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_8_2`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-b520eec427c3cf85/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_2: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_2` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking grpc v0.6.2
[INFO] [stdout] error: aborting due to 2 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 compile `vinyl-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5fc752c58d956a46e83c160143c59292e81817bfd37e6a4b68948fb8374e8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fc752c58d956a46e83c160143c59292e81817bfd37e6a4b68948fb8374e8e4", kill_on_drop: false }`
[INFO] [stdout] c5fc752c58d956a46e83c160143c59292e81817bfd37e6a4b68948fb8374e8e4