[INFO] fetching crate mcp-hub 0.1.0...
[INFO] checking mcp-hub-0.1.0 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-4
[INFO] extracting crate mcp-hub 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mcp-hub 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp-hub 0.1.0
[INFO] tweaked toml for crates.io crate mcp-hub 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-hub 0.1.0 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-hub 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295
[INFO] running `Command { std: "docker" "start" "-a" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }`
[INFO] [stdout] 0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015
[INFO] running `Command { std: "docker" "start" "-a" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 57 |       type Req: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 58 |       type Resp: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 59 | /     type Not: TryInto<CancelledNotification, Error = Self::Not>
[INFO] [stdout] 60 | |         + From<CancelledNotification>
[INFO] [stdout] 61 | |         + TransferObject;
[INFO] [stdout]    | |________________________^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 62 |       type PeerReq: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 63 |       type PeerResp: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 64 | /     type PeerNot: TryInto<CancelledNotification, Error = Self::PeerNot>
[INFO] [stdout] 65 | |         + From<CancelledNotification>
[INFO] [stdout] 66 | |         + TransferObject;
[INFO] [stdout]    | |________________________^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 68 |       type Info: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | / trait TransferObject:
[INFO] [stdout] 40 | |     std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static
[INFO] [stdout]    | |____________________________________________________________________________________________________- `service::TransferObject` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 69 |       type PeerInfo: TransferObject;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmcp` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }`
[INFO] [stdout] b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015
