[INFO] fetching crate mcp-cli-builder 0.1.1...
[INFO] checking mcp-cli-builder-0.1.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate mcp-cli-builder 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mcp-cli-builder 0.1.1
[INFO] finished tweaking crates.io crate mcp-cli-builder 0.1.1
[INFO] tweaked toml for crates.io crate mcp-cli-builder 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-cli-builder 0.1.1 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 mcp-cli-builder 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d7a40bcbcb6f62b6bc2e608b91f58f19bb98f9fcf3ca150f6a4b6fcd1bf143a
[INFO] running `Command { std: "docker" "start" "-a" "7d7a40bcbcb6f62b6bc2e608b91f58f19bb98f9fcf3ca150f6a4b6fcd1bf143a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7a40bcbcb6f62b6bc2e608b91f58f19bb98f9fcf3ca150f6a4b6fcd1bf143a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7a40bcbcb6f62b6bc2e608b91f58f19bb98f9fcf3ca150f6a4b6fcd1bf143a", kill_on_drop: false }`
[INFO] [stdout] 7d7a40bcbcb6f62b6bc2e608b91f58f19bb98f9fcf3ca150f6a4b6fcd1bf143a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1d522103b1928da9428836ca48502e7d3a4d3657565f86ef07691b1c4da4805
[INFO] running `Command { std: "docker" "start" "-a" "f1d522103b1928da9428836ca48502e7d3a4d3657565f86ef07691b1c4da4805", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking publicsuffix v2.3.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling fs-err v3.1.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking uuid v1.18.0
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]     Checking cookie_store v0.21.1
[INFO] [stderr]     Checking rust-mcp-schema v0.7.2
[INFO] [stderr]     Checking insta v1.43.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]    Compiling rust-mcp-macros v0.5.1
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking hyper v1.7.0
[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] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f1d522103b1928da9428836ca48502e7d3a4d3657565f86ef07691b1c4da4805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d522103b1928da9428836ca48502e7d3a4d3657565f86ef07691b1c4da4805", kill_on_drop: false }`
[INFO] [stdout] f1d522103b1928da9428836ca48502e7d3a4d3657565f86ef07691b1c4da4805