[INFO] cloning repository https://github.com/dexwritescode/rust-mcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dexwritescode/rust-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdexwritescode%2Frust-mcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdexwritescode%2Frust-mcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f03b2b0db8995d327b10ba292333c8259f8979aa [INFO] checking dexwritescode/rust-mcp against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdexwritescode%2Frust-mcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dexwritescode/rust-mcp [INFO] finished tweaking git repo https://github.com/dexwritescode/rust-mcp [INFO] tweaked toml for git repo https://github.com/dexwritescode/rust-mcp written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dexwritescode/rust-mcp 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/dexwritescode/rust-mcp 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] f545a3298bafc4ca96bce37f40c6240bc03332c377b54af91e2c3de6c22e8791 [INFO] running `Command { std: "docker" "start" "-a" "f545a3298bafc4ca96bce37f40c6240bc03332c377b54af91e2c3de6c22e8791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f545a3298bafc4ca96bce37f40c6240bc03332c377b54af91e2c3de6c22e8791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f545a3298bafc4ca96bce37f40c6240bc03332c377b54af91e2c3de6c22e8791", kill_on_drop: false }` [INFO] [stdout] f545a3298bafc4ca96bce37f40c6240bc03332c377b54af91e2c3de6c22e8791 [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] 1666208dc0163d47c2fb3dc2b0e3e4505d88ec425b30669d3b8d0c522e3f727a [INFO] running `Command { std: "docker" "start" "-a" "1666208dc0163d47c2fb3dc2b0e3e4505d88ec425b30669d3b8d0c522e3f727a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Compiling ref-cast v1.0.24 [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 parking_lot v0.12.4 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Checking tokio v1.46.1 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling rmcp-macros v0.2.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking schemars v1.0.4 [INFO] [stderr] Checking rmcp v0.2.1 [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] running `Command { std: "docker" "inspect" "1666208dc0163d47c2fb3dc2b0e3e4505d88ec425b30669d3b8d0c522e3f727a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1666208dc0163d47c2fb3dc2b0e3e4505d88ec425b30669d3b8d0c522e3f727a", kill_on_drop: false }` [INFO] [stdout] 1666208dc0163d47c2fb3dc2b0e3e4505d88ec425b30669d3b8d0c522e3f727a