[INFO] cloning repository https://github.com/tyressk/mcp_client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyressk/mcp_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyressk%2Fmcp_client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyressk%2Fmcp_client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8f3b7ac857600db607d523b3dc48b211ec3ab21 [INFO] checking tyressk/mcp_client against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyressk%2Fmcp_client" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tyressk/mcp_client [INFO] finished tweaking git repo https://github.com/tyressk/mcp_client [INFO] tweaked toml for git repo https://github.com/tyressk/mcp_client written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tyressk/mcp_client 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 git repo https://github.com/tyressk/mcp_client 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d3cad5974d2b064fcffea62e776420e2ffae3edc83ad2985408012373e87d5e2 [INFO] running `Command { std: "docker" "start" "-a" "d3cad5974d2b064fcffea62e776420e2ffae3edc83ad2985408012373e87d5e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3cad5974d2b064fcffea62e776420e2ffae3edc83ad2985408012373e87d5e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3cad5974d2b064fcffea62e776420e2ffae3edc83ad2985408012373e87d5e2", kill_on_drop: false }` [INFO] [stdout] d3cad5974d2b064fcffea62e776420e2ffae3edc83ad2985408012373e87d5e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0cf67d76abb679c03b8bcbb9a23dba55af1b0944f0db83c0aeeaf3d63af85fe1 [INFO] running `Command { std: "docker" "start" "-a" "0cf67d76abb679c03b8bcbb9a23dba55af1b0944f0db83c0aeeaf3d63af85fe1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling rustls v0.23.28 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Checking webpki-roots v1.0.1 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Checking dyn-clone v1.0.19 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Checking winnow v0.7.11 [INFO] [stderr] Checking toml_write v0.1.2 [INFO] [stderr] Checking time v0.3.41 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking ordered-float v4.6.0 [INFO] [stderr] Checking as-any v0.3.2 [INFO] [stderr] Checking anyhow v1.0.98 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Checking tracing-appender v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking openssl-sys v0.9.109 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking sse-stream v0.2.1 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking toml_edit v0.22.27 [INFO] [stderr] Checking openssl v0.10.73 [INFO] [stderr] Checking rustls-webpki v0.103.3 [INFO] [stderr] Compiling rmcp-macros v0.1.5 (https://github.com/modelcontextprotocol/rust-sdk.git?rev=b9d7d61ebd6e8385cbc4aa105d4e25774fc1a59c#b9d7d61e) [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Checking native-tls v0.2.14 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking process-wrap v8.2.1 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking h2 v0.4.10 [INFO] [stderr] Checking tokio-rustls v0.26.2 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.14 [INFO] [stderr] Checking hyper-rustls v0.27.7 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.20 [INFO] [stderr] Checking rig-core v0.13.0 [INFO] [stderr] Checking rmcp v0.1.5 (https://github.com/modelcontextprotocol/rust-sdk.git?rev=b9d7d61ebd6e8385cbc4aa105d4e25774fc1a59c#b9d7d61e) [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 70 | type Req: TransferObject + GetMeta + GetExtensions; [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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 71 | 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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 72 | / type Not: TryInto [INFO] [stdout] 73 | | + From [INFO] [stdout] 74 | | + 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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 75 | type PeerReq: TransferObject + GetMeta + GetExtensions; [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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 76 | 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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 77 | / type PeerNot: TryInto [INFO] [stdout] 78 | | + From [INFO] [stdout] 79 | | + TransferObject [INFO] [stdout] 80 | | + GetMeta [INFO] [stdout] 81 | | + GetExtensions; [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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 84 | 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/git/checkouts/rust-sdk-773cd6d57c4837f3/b9d7d61/crates/rmcp/src/service.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 52 | / trait TransferObject: [INFO] [stdout] 53 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 85 | 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" "0cf67d76abb679c03b8bcbb9a23dba55af1b0944f0db83c0aeeaf3d63af85fe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cf67d76abb679c03b8bcbb9a23dba55af1b0944f0db83c0aeeaf3d63af85fe1", kill_on_drop: false }` [INFO] [stdout] 0cf67d76abb679c03b8bcbb9a23dba55af1b0944f0db83c0aeeaf3d63af85fe1