[INFO] fetching crate async-mcp 0.1.3... [INFO] checking async-mcp-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate async-mcp 0.1.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate async-mcp 0.1.3 [INFO] finished tweaking crates.io crate async-mcp 0.1.3 [INFO] tweaked toml for crates.io crate async-mcp 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate async-mcp 0.1.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate async-mcp 0.1.3 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1f4fd563b3646e7da3855bff60eaaf4b7df9d88f69e7f259c2154cca3630860 [INFO] running `Command { std: "docker" "start" "-a" "a1f4fd563b3646e7da3855bff60eaaf4b7df9d88f69e7f259c2154cca3630860", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1f4fd563b3646e7da3855bff60eaaf4b7df9d88f69e7f259c2154cca3630860", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1f4fd563b3646e7da3855bff60eaaf4b7df9d88f69e7f259c2154cca3630860", kill_on_drop: false }` [INFO] [stdout] a1f4fd563b3646e7da3855bff60eaaf4b7df9d88f69e7f259c2154cca3630860 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 321616a184ddb82c566a8f1020301ab65edb7cc3a7dd090fe7477e53eb1d91b2 [INFO] running `Command { std: "docker" "start" "-a" "321616a184ddb82c566a8f1020301ab65edb7cc3a7dd090fe7477e53eb1d91b2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Checking log v0.4.25 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking http v1.2.0 [INFO] [stderr] Compiling openssl v0.10.69 [INFO] [stderr] Compiling time-macros v0.2.19 [INFO] [stderr] Compiling zstd-safe v7.2.1 [INFO] [stderr] Checking local-waker v0.1.4 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling serde_json v1.0.135 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling bytes v1.9.0 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Checking miniz_oxide v0.8.3 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling cc v1.2.10 [INFO] [stderr] Compiling bytestring v1.4.0 [INFO] [stderr] Checking actix-service v2.0.2 [INFO] [stderr] Checking brotli-decompressor v4.0.2 [INFO] [stderr] Checking actix-utils v3.0.1 [INFO] [stderr] Compiling cookie v0.16.2 [INFO] [stderr] Compiling thiserror v2.0.11 [INFO] [stderr] Checking time v0.3.37 [INFO] [stderr] Compiling regex-lite v0.1.6 [INFO] [stderr] Checking flate2 v1.0.35 [INFO] [stderr] Checking local-channel v0.1.5 [INFO] [stderr] Checking language-tags v0.3.2 [INFO] [stderr] Checking brotli v6.0.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking data-encoding v2.7.0 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Checking impl-more v0.1.9 [INFO] [stderr] Checking uuid v1.12.1 [INFO] [stderr] Compiling openssl-sys v0.9.104 [INFO] [stderr] Compiling zstd-sys v2.0.13+zstd.1.5.6 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling native-tls v0.2.13 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling actix-router v0.5.3 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling tokio-macros v2.5.0 [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 futures-macro v0.3.31 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Checking tokio v1.43.0 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking zerofrom v0.1.5 [INFO] [stderr] Checking zstd v0.13.2 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Compiling thiserror-impl v2.0.11 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Compiling actix-web-codegen v4.3.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking simple_asn1 v0.6.3 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.85 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking tokio-util v0.7.13 [INFO] [stderr] Checking actix-rt v2.10.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking actix-server v2.5.0 [INFO] [stderr] Checking h2 v0.4.7 [INFO] [stderr] Checking actix-codec v0.5.2 [INFO] [stderr] Checking h2 v0.3.26 [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 serde_urlencoded v0.7.1 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking jsonwebtoken v8.3.0 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking actix-http v3.9.0 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.10 [INFO] [stderr] Checking actix-web v4.9.0 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.12 [INFO] [stderr] Checking actix-ws v0.2.5 [INFO] [stderr] Checking async-mcp v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/sse/http_server.rs:181:51 [INFO] [stdout] | [INFO] [stdout] 181 | let stream = futures::stream::once(async move { [INFO] [stdout] | ___________________________________________________^ [INFO] [stdout] 182 | | Ok::<_, std::convert::Infallible>(web::Bytes::from(endpoint_info)) [INFO] [stdout] 183 | | }) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/sse/http_server.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | Ok::<_, std::convert::Infallible>(web::Bytes::from(endpoint_info)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/sse/http_server.rs:200:25 [INFO] [stdout] | [INFO] [stdout] 200 | Ok::<_, std::convert::Infallible>(web::Bytes::from(sse_data)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sse/http_server.rs:181:51 [INFO] [stdout] | [INFO] [stdout] 181 | let stream = futures::stream::once(async move { [INFO] [stdout] | ___________________________________________________^ [INFO] [stdout] 182 | | Ok::<_, std::convert::Infallible>(web::Bytes::from(endpoint_info)) [INFO] [stdout] 183 | | }) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sse/http_server.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | Ok::<_, std::convert::Infallible>(web::Bytes::from(endpoint_info)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sse/http_server.rs:200:25 [INFO] [stdout] | [INFO] [stdout] 200 | Ok::<_, std::convert::Infallible>(web::Bytes::from(sse_data)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-mcp` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `async-mcp` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "321616a184ddb82c566a8f1020301ab65edb7cc3a7dd090fe7477e53eb1d91b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "321616a184ddb82c566a8f1020301ab65edb7cc3a7dd090fe7477e53eb1d91b2", kill_on_drop: false }` [INFO] [stdout] 321616a184ddb82c566a8f1020301ab65edb7cc3a7dd090fe7477e53eb1d91b2