[INFO] fetching crate mcp-server-filesystem 0.1.2... [INFO] checking mcp-server-filesystem-0.1.2 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3 [INFO] extracting crate mcp-server-filesystem 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcp-server-filesystem 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mcp-server-filesystem 0.1.2 [INFO] tweaked toml for crates.io crate mcp-server-filesystem 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-server-filesystem 0.1.2 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-server-filesystem 0.1.2 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] b12bbf29c1c75a2c5d385d07bbfcc19f1ba2082233116fcbb16da1fb65d207f1 [INFO] running `Command { std: "docker" "start" "-a" "b12bbf29c1c75a2c5d385d07bbfcc19f1ba2082233116fcbb16da1fb65d207f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b12bbf29c1c75a2c5d385d07bbfcc19f1ba2082233116fcbb16da1fb65d207f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b12bbf29c1c75a2c5d385d07bbfcc19f1ba2082233116fcbb16da1fb65d207f1", kill_on_drop: false }` [INFO] [stdout] b12bbf29c1c75a2c5d385d07bbfcc19f1ba2082233116fcbb16da1fb65d207f1 [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] 3df5503b20b62510be9b8715b4a02c4ea694d0158e8412ac928afcd3063612c9 [INFO] running `Command { std: "docker" "start" "-a" "3df5503b20b62510be9b8715b4a02c4ea694d0158e8412ac928afcd3063612c9", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.226 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling serde v1.0.226 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking anstream v0.6.20 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Checking dirs-sys v0.5.0 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking clap_builder v4.5.48 [INFO] [stderr] Compiling assert_cmd v2.0.17 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking dirs v6.0.0 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking tempfile v3.22.0 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking globset v0.4.16 [INFO] [stderr] Compiling darling_core v0.21.3 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.226 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Checking ref-cast v1.0.24 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Compiling clap_derive v4.5.47 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling derive-getters v0.5.0 [INFO] [stderr] Checking thiserror v2.0.16 [INFO] [stderr] Compiling async-recursion v1.1.1 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Checking clap v4.5.48 [INFO] [stderr] Compiling darling_macro v0.21.3 [INFO] [stderr] Compiling darling v0.21.3 [INFO] [stderr] Compiling rmcp-macros v0.6.4 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking tracing-serde v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking schemars v1.0.4 [INFO] [stderr] Checking rmcp v0.6.4 [INFO] [stdout] error[E0446]: private trait `TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.6.4/src/service.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 68 | 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-0.6.4/src/service.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 69 | 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-0.6.4/src/service.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 70 | / type Not: TryInto [INFO] [stdout] 71 | | + From [INFO] [stdout] 72 | | + 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-0.6.4/src/service.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 73 | 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-0.6.4/src/service.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 74 | 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-0.6.4/src/service.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 75 | / type PeerNot: TryInto [INFO] [stdout] 76 | | + From [INFO] [stdout] 77 | | + TransferObject [INFO] [stdout] 78 | | + GetMeta [INFO] [stdout] 79 | | + 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-0.6.4/src/service.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 82 | 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-0.6.4/src/service.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 50 | / trait TransferObject: [INFO] [stdout] 51 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 83 | 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" "3df5503b20b62510be9b8715b4a02c4ea694d0158e8412ac928afcd3063612c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3df5503b20b62510be9b8715b4a02c4ea694d0158e8412ac928afcd3063612c9", kill_on_drop: false }` [INFO] [stdout] 3df5503b20b62510be9b8715b4a02c4ea694d0158e8412ac928afcd3063612c9