[INFO] fetching crate rust-mcp-transport 0.6.1...
[INFO] checking rust-mcp-transport-0.6.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate rust-mcp-transport 0.6.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rust-mcp-transport 0.6.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-mcp-transport 0.6.1
[INFO] tweaked toml for crates.io crate rust-mcp-transport 0.6.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mcp-transport 0.6.1 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 rust-mcp-transport 0.6.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] be7738ded9ebe1dac93e3ebd793a8f1a0f65bca2a44b6b71b30e603329e67e7b
[INFO] running `Command { std: "docker" "start" "-a" "be7738ded9ebe1dac93e3ebd793a8f1a0f65bca2a44b6b71b30e603329e67e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7738ded9ebe1dac93e3ebd793a8f1a0f65bca2a44b6b71b30e603329e67e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7738ded9ebe1dac93e3ebd793a8f1a0f65bca2a44b6b71b30e603329e67e7b", kill_on_drop: false }`
[INFO] [stdout] be7738ded9ebe1dac93e3ebd793a8f1a0f65bca2a44b6b71b30e603329e67e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8c46e7e78275bc8b8ee80631a20b672a2eef35733d7d07d677d6513663cad754
[INFO] running `Command { std: "docker" "start" "-a" "8c46e7e78275bc8b8ee80631a20b672a2eef35733d7d07d677d6513663cad754", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking retain_mut v0.1.9
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rust-mcp-schema v0.7.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking publicsuffix v2.3.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking cookie v0.18.1
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking cookie_store v0.21.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking deadpool v0.9.5
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.24
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking rust-mcp-transport v0.6.1 (/opt/rustwide/workdir)
[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-0.14.32/src/proto/h2/mod.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c46e7e78275bc8b8ee80631a20b672a2eef35733d7d07d677d6513663cad754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c46e7e78275bc8b8ee80631a20b672a2eef35733d7d07d677d6513663cad754", kill_on_drop: false }`
[INFO] [stdout] 8c46e7e78275bc8b8ee80631a20b672a2eef35733d7d07d677d6513663cad754
