[INFO] fetching crate remote-mcp-kernel 0.1.0-alpha.7... [INFO] checking remote-mcp-kernel-0.1.0-alpha.7 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3 [INFO] extracting crate remote-mcp-kernel 0.1.0-alpha.7 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate remote-mcp-kernel 0.1.0-alpha.7 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate remote-mcp-kernel 0.1.0-alpha.7 [INFO] tweaked toml for crates.io crate remote-mcp-kernel 0.1.0-alpha.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate remote-mcp-kernel 0.1.0-alpha.7 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 remote-mcp-kernel 0.1.0-alpha.7 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa7c718b5534cbb2f2e16d1da3356ca4e667c6dd750b62a33fd700230b4b8fde [INFO] running `Command { std: "docker" "start" "-a" "aa7c718b5534cbb2f2e16d1da3356ca4e667c6dd750b62a33fd700230b4b8fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa7c718b5534cbb2f2e16d1da3356ca4e667c6dd750b62a33fd700230b4b8fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa7c718b5534cbb2f2e16d1da3356ca4e667c6dd750b62a33fd700230b4b8fde", kill_on_drop: false }` [INFO] [stdout] aa7c718b5534cbb2f2e16d1da3356ca4e667c6dd750b62a33fd700230b4b8fde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 541dec9f4f54b2530f6a2beed7546149a800f51d77bcf0b045633fc3f8cb236f [INFO] running `Command { std: "docker" "start" "-a" "541dec9f4f54b2530f6a2beed7546149a800f51d77bcf0b045633fc3f8cb236f", kill_on_drop: false }` [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking vsimd v0.8.0 [INFO] [stderr] Checking outref v0.5.2 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Compiling fs_extra v1.3.0 [INFO] [stderr] Compiling dunce v1.0.5 [INFO] [stderr] Checking tokio v1.46.1 [INFO] [stderr] Checking time v0.3.41 [INFO] [stderr] Checking bytes-utils v0.1.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking openssl-probe v0.1.6 [INFO] [stderr] Compiling aws-lc-rs v1.13.1 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Compiling rustls v0.23.28 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking rustls-pki-types v1.12.0 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking rustls-native-certs v0.6.3 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking regex-lite v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking rustls-native-certs v0.8.1 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking xmlparser v0.13.6 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking aws-smithy-xml v0.60.10 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking axum-core v0.5.2 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Checking matchit v0.8.4 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Checking base64-simd v0.8.0 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking dyn-clone v1.0.19 [INFO] [stderr] Checking sse-stream v0.2.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling aws-types v1.3.7 [INFO] [stderr] Compiling jobserver v0.1.33 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling cc v1.2.28 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling aws-lc-sys v0.29.0 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Checking uuid v1.17.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking serde_path_to_error v0.1.17 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling rustls v0.21.12 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking aws-smithy-async v1.2.5 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking aws-smithy-types v1.3.2 [INFO] [stderr] Checking h2 v0.4.11 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Compiling rmcp-macros v0.2.1 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking aws-smithy-runtime-api v1.8.1 [INFO] [stderr] Checking aws-smithy-json v0.61.4 [INFO] [stderr] Checking aws-smithy-query v0.60.7 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking aws-credential-types v1.2.3 [INFO] [stderr] Checking aws-smithy-http v0.62.1 [INFO] [stderr] Checking aws-smithy-observability v0.1.3 [INFO] [stderr] Checking aws-sigv4 v1.3.3 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking hyper-util v0.1.14 [INFO] [stderr] Checking axum v0.8.4 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.22 [INFO] [stderr] Checking hyper-rustls v0.24.2 [INFO] [stderr] Checking rustls-webpki v0.103.3 [INFO] [stderr] Checking rmcp v0.2.1 [INFO] [stderr] Checking tokio-rustls v0.26.2 [INFO] [stderr] Checking hyper-rustls v0.27.7 [INFO] [stderr] Checking aws-smithy-http-client v1.0.6 [INFO] [stderr] Checking aws-smithy-runtime v1.8.3 [INFO] [stdout] error[E0446]: private trait `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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 `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.2.1/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] | |____________________________________________________________________________________________________- `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" "541dec9f4f54b2530f6a2beed7546149a800f51d77bcf0b045633fc3f8cb236f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "541dec9f4f54b2530f6a2beed7546149a800f51d77bcf0b045633fc3f8cb236f", kill_on_drop: false }` [INFO] [stdout] 541dec9f4f54b2530f6a2beed7546149a800f51d77bcf0b045633fc3f8cb236f