[INFO] fetching crate mcp-spec 0.1.0...
[INFO] testing mcp-spec-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcp-spec 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mcp-spec 0.1.0
[INFO] finished tweaking crates.io crate mcp-spec 0.1.0
[INFO] tweaked toml for crates.io crate mcp-spec 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-spec 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-spec 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59cc282cced7ed1ab3ea44a519ca4e35ce9174aef996bf7efd6d81f4c6848c86
[INFO] running `Command { std: "docker" "start" "-a" "59cc282cced7ed1ab3ea44a519ca4e35ce9174aef996bf7efd6d81f4c6848c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59cc282cced7ed1ab3ea44a519ca4e35ce9174aef996bf7efd6d81f4c6848c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59cc282cced7ed1ab3ea44a519ca4e35ce9174aef996bf7efd6d81f4c6848c86", kill_on_drop: false }`
[INFO] [stdout] 59cc282cced7ed1ab3ea44a519ca4e35ce9174aef996bf7efd6d81f4c6848c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6669bb12d8b075d7e486040cd8adf3a807171d619f6bbfa1580af0620aff97e5
[INFO] running `Command { std: "docker" "start" "-a" "6669bb12d8b075d7e486040cd8adf3a807171d619f6bbfa1580af0620aff97e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling dyn-clone v1.0.18
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[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 serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling mcp-spec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.94s
[INFO] running `Command { std: "docker" "inspect" "6669bb12d8b075d7e486040cd8adf3a807171d619f6bbfa1580af0620aff97e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6669bb12d8b075d7e486040cd8adf3a807171d619f6bbfa1580af0620aff97e5", kill_on_drop: false }`
[INFO] [stdout] 6669bb12d8b075d7e486040cd8adf3a807171d619f6bbfa1580af0620aff97e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64393bb68dcebfe8f84d24f90d1df8108605939d3ea876ef3338486b99b6ad6f
[INFO] running `Command { std: "docker" "start" "-a" "64393bb68dcebfe8f84d24f90d1df8108605939d3ea876ef3338486b99b6ad6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]    Compiling mcp-spec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "64393bb68dcebfe8f84d24f90d1df8108605939d3ea876ef3338486b99b6ad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64393bb68dcebfe8f84d24f90d1df8108605939d3ea876ef3338486b99b6ad6f", kill_on_drop: false }`
[INFO] [stdout] 64393bb68dcebfe8f84d24f90d1df8108605939d3ea876ef3338486b99b6ad6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68c4baa3797f22d7bd5316655aac70060ffa14bc924125836b14598121479f4e
[INFO] running `Command { std: "docker" "start" "-a" "68c4baa3797f22d7bd5316655aac70060ffa14bc924125836b14598121479f4e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_spec-4c76607af43fabdd)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test content::tests::test_content_annotations_basic ... ok
[INFO] [stdout] test content::tests::test_content_annotations_order_independence ... ok
[INFO] [stdout] test content::tests::test_content_image ... ok
[INFO] [stdout] test content::tests::test_content_annotations_preservation ... ok
[INFO] [stdout] test content::tests::test_content_text ... ok
[INFO] [stdout] test content::tests::test_content_annotations_overwrite ... ok
[INFO] [stdout] test content::tests::test_partial_annotations ... ok
[INFO] [stdout] test content::tests::test_unannotated ... ok
[INFO] [stdout] test resource::tests::test_with_description ... ok
[INFO] [stdout] test resource::tests::test_resource_with_str_uri ... ok
[INFO] [stdout] test resource::tests::test_with_mime_type ... ok
[INFO] [stdout] test protocol::tests::test_request_conversion ... ok
[INFO] [stdout] test protocol::tests::test_notification_conversion ... ok
[INFO] [stdout] test resource::tests::test_new_resource_with_file_uri ... ok
[INFO] [stdout] test resource::tests::test_mime_type_validation ... ok
[INFO] [stdout] test content::tests::test_content_annotations_image ... ok
[INFO] [stderr]    Doc-tests mcp_spec
[INFO] [stdout] test content::tests::test_invalid_priority - should panic ... ok
[INFO] [stdout] test resource::tests::test_invalid_uri ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68c4baa3797f22d7bd5316655aac70060ffa14bc924125836b14598121479f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c4baa3797f22d7bd5316655aac70060ffa14bc924125836b14598121479f4e", kill_on_drop: false }`
[INFO] [stdout] 68c4baa3797f22d7bd5316655aac70060ffa14bc924125836b14598121479f4e