[INFO] fetching crate vinyl 0.0.4...
[INFO] testing vinyl-0.0.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate vinyl 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vinyl 0.0.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 940be8f4ba1ae363c7fdd91632420429c3646c79258ccea1665512e887968a65
[INFO] running `"docker" "start" "-a" "940be8f4ba1ae363c7fdd91632420429c3646c79258ccea1665512e887968a65"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling tls-api v0.1.22
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tls-api-stub v0.1.22
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tls-api v0.1.22
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-uds v0.1.7
[INFO] [stderr]    Compiling vinyl-core v0.0.2
[INFO] [stderr]    Compiling grpc v0.6.2
[INFO] [stderr] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vinyl-core-0.0.2/src/proto/example.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_2`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/target/debug/build/protobuf-04daf09e7f931967/out/version.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub const VERSION_2_8_2: () = ();
[INFO] [stderr]    | --------------------------------- similarly named constant `VERSION_2_8_2` defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `VERSION_2_8_1` in crate `protobuf`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vinyl-core-0.0.2/src/proto/transport.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_2`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/target/debug/build/protobuf-04daf09e7f931967/out/version.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub const VERSION_2_8_2: () = ();
[INFO] [stderr]    | --------------------------------- similarly named constant `VERSION_2_8_2` defined here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[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 `"docker" "inspect" "940be8f4ba1ae363c7fdd91632420429c3646c79258ccea1665512e887968a65"`
[INFO] running `"docker" "rm" "-f" "940be8f4ba1ae363c7fdd91632420429c3646c79258ccea1665512e887968a65"`
[INFO] [stdout] 940be8f4ba1ae363c7fdd91632420429c3646c79258ccea1665512e887968a65