[INFO] fetching crate rust-mcp-server 0.2.7...
[INFO] checking rust-mcp-server-0.2.7 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate rust-mcp-server 0.2.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rust-mcp-server 0.2.7
[INFO] finished tweaking crates.io crate rust-mcp-server 0.2.7
[INFO] tweaked toml for crates.io crate rust-mcp-server 0.2.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mcp-server 0.2.7 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-mcp-server 0.2.7 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-mcp-macros v0.5.2
[INFO] [stderr]   Downloaded rust-mcp-transport v0.6.0
[INFO] [stderr]   Downloaded rust-mcp-sdk v0.7.0
[INFO] [stderr]   Downloaded rust-mcp-schema v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7b6cb0718194fc42d3cd0dddf564da0cf93e870b2e81b7c4db2d90caaea2399
[INFO] running `Command { std: "docker" "start" "-a" "b7b6cb0718194fc42d3cd0dddf564da0cf93e870b2e81b7c4db2d90caaea2399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b6cb0718194fc42d3cd0dddf564da0cf93e870b2e81b7c4db2d90caaea2399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b6cb0718194fc42d3cd0dddf564da0cf93e870b2e81b7c4db2d90caaea2399", kill_on_drop: false }`
[INFO] [stdout] b7b6cb0718194fc42d3cd0dddf564da0cf93e870b2e81b7c4db2d90caaea2399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9095dae018d3e92477a54c86a8c2f8429a5ae1cc10b12650b0d208fddfe2f7
[INFO] running `Command { std: "docker" "start" "-a" "1e9095dae018d3e92477a54c86a8c2f8429a5ae1cc10b12650b0d208fddfe2f7", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking regex-syntax v0.8.7
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]    Compiling rust-mcp-macros v0.5.2
[INFO] [stderr]     Checking rust-mcp-schema v0.7.5
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rust-mcp-server v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking schemars v1.0.4
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]     Checking tracing-appender v0.2.3
[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 tokio-native-tls v0.3.1
[INFO] [stderr]     Checking rust-mcp-transport v0.6.0
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking rust-mcp-sdk v0.7.0
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.23
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.66s
[INFO] running `Command { std: "docker" "inspect" "1e9095dae018d3e92477a54c86a8c2f8429a5ae1cc10b12650b0d208fddfe2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9095dae018d3e92477a54c86a8c2f8429a5ae1cc10b12650b0d208fddfe2f7", kill_on_drop: false }`
[INFO] [stdout] 1e9095dae018d3e92477a54c86a8c2f8429a5ae1cc10b12650b0d208fddfe2f7