[INFO] cloning repository https://github.com/r-antonio/ai-mcp-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r-antonio/ai-mcp-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-antonio%2Fai-mcp-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-antonio%2Fai-mcp-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aeede076a89d86e3551bd174c9beefc7c5498c1
[INFO] checking r-antonio/ai-mcp-playground against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-antonio%2Fai-mcp-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r-antonio/ai-mcp-playground
[INFO] finished tweaking git repo https://github.com/r-antonio/ai-mcp-playground
[INFO] tweaked toml for git repo https://github.com/r-antonio/ai-mcp-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r-antonio/ai-mcp-playground 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/r-antonio/ai-mcp-playground 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] e744afd4ede9dd226c68899f90321164ebae74e3a23107f2fee51f7e312ec8f3
[INFO] running `Command { std: "docker" "start" "-a" "e744afd4ede9dd226c68899f90321164ebae74e3a23107f2fee51f7e312ec8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e744afd4ede9dd226c68899f90321164ebae74e3a23107f2fee51f7e312ec8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e744afd4ede9dd226c68899f90321164ebae74e3a23107f2fee51f7e312ec8f3", kill_on_drop: false }`
[INFO] [stdout] e744afd4ede9dd226c68899f90321164ebae74e3a23107f2fee51f7e312ec8f3
[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] c60afb8ff8a2d7553b9a045395d9a8588692237e46fa34997852c405b9e5fd15
[INFO] running `Command { std: "docker" "start" "-a" "c60afb8ff8a2d7553b9a045395d9a8588692237e46fa34997852c405b9e5fd15", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
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[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling rmcp-macros v0.1.5
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper-util v0.1.11
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking axum v0.8.4
[INFO] [stderr]     Checking schemars v0.8.22
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking hyper v0.14.32
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[INFO] [stdout] error[E0446]: private trait `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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 `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]    | |____________________________________________________________________________________________________- `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] running `Command { std: "docker" "inspect" "c60afb8ff8a2d7553b9a045395d9a8588692237e46fa34997852c405b9e5fd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60afb8ff8a2d7553b9a045395d9a8588692237e46fa34997852c405b9e5fd15", kill_on_drop: false }`
[INFO] [stdout] c60afb8ff8a2d7553b9a045395d9a8588692237e46fa34997852c405b9e5fd15
