[INFO] fetching crate mcp-attr 0.0.7... [INFO] checking mcp-attr-0.0.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mcp-attr 0.0.7 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mcp-attr 0.0.7 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mcp-attr 0.0.7 [INFO] tweaked toml for crates.io crate mcp-attr 0.0.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-attr 0.0.7 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 mcp-attr 0.0.7 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b2fcb4393554aba75e72ff7a903833e9c6d4f078dd8aca64c32957d2a0b8e4eb [INFO] running `Command { std: "docker" "start" "-a" "b2fcb4393554aba75e72ff7a903833e9c6d4f078dd8aca64c32957d2a0b8e4eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2fcb4393554aba75e72ff7a903833e9c6d4f078dd8aca64c32957d2a0b8e4eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2fcb4393554aba75e72ff7a903833e9c6d4f078dd8aca64c32957d2a0b8e4eb", kill_on_drop: false }` [INFO] [stdout] b2fcb4393554aba75e72ff7a903833e9c6d4f078dd8aca64c32957d2a0b8e4eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 605d3355dde66b34612b5a4cc8d1ad4513d92178415aa651726ae35e711a9ead [INFO] running `Command { std: "docker" "start" "-a" "605d3355dde66b34612b5a4cc8d1ad4513d92178415aa651726ae35e711a9ead", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.21.0 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling structmeta-derive v0.3.0 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking indexmap v2.8.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking winnow v0.7.3 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking log v0.4.26 [INFO] [stderr] Checking tokio v1.44.2 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking assert-call v0.1.2 [INFO] [stderr] Checking ordered-float v5.0.0 [INFO] [stderr] Checking chrono v0.4.40 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling structmeta v0.3.0 [INFO] [stderr] Compiling derive-ex v0.1.8 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking toml_edit v0.22.24 [INFO] [stderr] Checking slabmap v0.2.1 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking sigwake v0.0.1 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Compiling parse-display-derive v0.10.0 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking toml v0.8.20 [INFO] [stderr] Checking trybuild v1.0.104 [INFO] [stderr] Checking parse-display v0.10.0 [INFO] [stderr] Compiling uri-template-ex v0.0.2 [INFO] [stderr] Checking jsoncall v0.0.3 [INFO] [stderr] Compiling mcp-attr-macros v0.0.7 [INFO] [stderr] Checking mcp-attr v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/schema.rs:1569:72 [INFO] [stdout] | [INFO] [stdout] 1569 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 1570 | | Ok(Self(value.to_string())) [INFO] [stdout] 1571 | | } [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/schema.rs:1570:9 [INFO] [stdout] | [INFO] [stdout] 1570 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/schema.rs:1569:72 [INFO] [stdout] | [INFO] [stdout] 1569 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 1570 | | Ok(Self(value.to_string())) [INFO] [stdout] 1571 | | } [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/schema.rs:1570:9 [INFO] [stdout] | [INFO] [stdout] 1570 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mcp-attr` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mcp-attr` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "605d3355dde66b34612b5a4cc8d1ad4513d92178415aa651726ae35e711a9ead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "605d3355dde66b34612b5a4cc8d1ad4513d92178415aa651726ae35e711a9ead", kill_on_drop: false }` [INFO] [stdout] 605d3355dde66b34612b5a4cc8d1ad4513d92178415aa651726ae35e711a9ead