[INFO] fetching crate mcp_rust_sdk 0.1.1... [INFO] checking mcp_rust_sdk-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate mcp_rust_sdk 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcp_rust_sdk 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mcp_rust_sdk 0.1.1 [INFO] tweaked toml for crates.io crate mcp_rust_sdk 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp_rust_sdk 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcp_rust_sdk 0.1.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 082e35f040664da9c337bbed4a36259287f102382fec2cf6bc18d9538b71a0e1 [INFO] running `Command { std: "docker" "start" "-a" "082e35f040664da9c337bbed4a36259287f102382fec2cf6bc18d9538b71a0e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "082e35f040664da9c337bbed4a36259287f102382fec2cf6bc18d9538b71a0e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "082e35f040664da9c337bbed4a36259287f102382fec2cf6bc18d9538b71a0e1", kill_on_drop: false }` [INFO] [stdout] 082e35f040664da9c337bbed4a36259287f102382fec2cf6bc18d9538b71a0e1 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95d51309e7e348da781c0263714a807733bfc2831ee602765b06452b264d489b [INFO] running `Command { std: "docker" "start" "-a" "95d51309e7e348da781c0263714a807733bfc2831ee602765b06452b264d489b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.167 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.31 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking litemap v0.7.4 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking icu_locid_transform_data v1.5.0 [INFO] [stderr] Checking icu_properties_data v1.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Compiling cc v1.2.2 [INFO] [stderr] Checking bytes v1.9.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Checking icu_normalizer_data v1.5.0 [INFO] [stderr] Compiling openssl v0.10.68 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling httparse v1.9.5 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking cpufeatures v0.2.16 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Checking data-encoding v2.6.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling openssl-sys v0.9.104 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerofrom-derive v0.1.5 [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 icu_provider_macros v1.5.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking tokio v1.41.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking zerofrom v0.1.5 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-stream v0.1.16 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking tungstenite v0.20.1 [INFO] [stderr] Checking tokio-tungstenite v0.20.1 [INFO] [stderr] Checking mcp_rust_sdk v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/transport/stdio.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `time::Duration` [INFO] [stdout] --> src/transport/stdio.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | io::{Read, Write}, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::timeout` [INFO] [stdout] --> src/transport/stdio.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | time::timeout, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Notification` and `RequestId` [INFO] [stdout] --> src/server/mod.rs:8:35 [INFO] [stdout] | [INFO] [stdout] 8 | protocol::{Request, Response, Notification, ResponseError, RequestId}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/transport/stdio.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `time::Duration` [INFO] [stdout] --> src/transport/stdio.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | io::{Read, Write}, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::timeout` [INFO] [stdout] --> src/transport/stdio.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | time::timeout, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StreamExt` [INFO] [stdout] --> src/server/mod.rs:140:27 [INFO] [stdout] | [INFO] [stdout] 140 | use futures::{Stream, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `client_rx` [INFO] [stdout] --> src/server/mod.rs:594:40 [INFO] [stdout] | [INFO] [stdout] 594 | let (transport, client_tx, mut client_rx) = MockTransport::new(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/mod.rs:594:36 [INFO] [stdout] | [INFO] [stdout] 594 | let (transport, client_tx, mut client_rx) = MockTransport::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `response_sender` is never read [INFO] [stdout] --> src/client/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | response_sender: tokio::sync::mpsc::UnboundedSender, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SUBPROTOCOL` is never used [INFO] [stdout] --> src/transport/websocket.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | const SUBPROTOCOL: &str = "mcp"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `response_sender` is never read [INFO] [stdout] --> src/client/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | response_sender: tokio::sync::mpsc::UnboundedSender, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SUBPROTOCOL` is never used [INFO] [stdout] --> src/transport/websocket.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | const SUBPROTOCOL: &str = "mcp"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.35s [INFO] running `Command { std: "docker" "inspect" "95d51309e7e348da781c0263714a807733bfc2831ee602765b06452b264d489b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95d51309e7e348da781c0263714a807733bfc2831ee602765b06452b264d489b", kill_on_drop: false }` [INFO] [stdout] 95d51309e7e348da781c0263714a807733bfc2831ee602765b06452b264d489b