[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<schema::Cursor, Infallible>
[INFO] [stdout]     --> src/schema.rs:1569:72
[INFO] [stdout]      |
[INFO] [stdout] 1569 |       fn from_str(value: &str) -> ::std::result::Result<Self, Self::Err> {
[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<schema::Cursor, Infallible>
[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<schema::Cursor, Infallible>
[INFO] [stdout]     --> src/schema.rs:1569:72
[INFO] [stdout]      |
[INFO] [stdout] 1569 |       fn from_str(value: &str) -> ::std::result::Result<Self, Self::Err> {
[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<schema::Cursor, Infallible>
[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
