[INFO] fetching crate metis-docs-mcp 0.6.0...
[INFO] checking metis-docs-mcp-0.6.0 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate metis-docs-mcp 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate metis-docs-mcp 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metis-docs-mcp 0.6.0
[INFO] tweaked toml for crates.io crate metis-docs-mcp 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metis-docs-mcp 0.6.0 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metis-docs-mcp 0.6.0 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00537b66b9c5910b2f6bb896daae477047a8ca545e6d6fd5ccadc3005f6c6aa7
[INFO] running `Command { std: "docker" "start" "-a" "00537b66b9c5910b2f6bb896daae477047a8ca545e6d6fd5ccadc3005f6c6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00537b66b9c5910b2f6bb896daae477047a8ca545e6d6fd5ccadc3005f6c6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00537b66b9c5910b2f6bb896daae477047a8ca545e6d6fd5ccadc3005f6c6aa7", kill_on_drop: false }`
[INFO] [stdout] 00537b66b9c5910b2f6bb896daae477047a8ca545e6d6fd5ccadc3005f6c6aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ac93cadd3187cd24b822d5fb37f874d35afd33668117d7cfd9c74f5c19787d
[INFO] running `Command { std: "docker" "start" "-a" "16ac93cadd3187cd24b822d5fb37f874d35afd33668117d7cfd9c74f5c19787d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.32.3
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking webpki-roots v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-1.7.0/src/proto/h2/mod.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 427 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16ac93cadd3187cd24b822d5fb37f874d35afd33668117d7cfd9c74f5c19787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ac93cadd3187cd24b822d5fb37f874d35afd33668117d7cfd9c74f5c19787d", kill_on_drop: false }`
[INFO] [stdout] 16ac93cadd3187cd24b822d5fb37f874d35afd33668117d7cfd9c74f5c19787d