[INFO] fetching crate mcp-proxy-tool 0.1.0...
[INFO] checking mcp-proxy-tool-0.1.0 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate mcp-proxy-tool 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mcp-proxy-tool 0.1.0
[INFO] finished tweaking crates.io crate mcp-proxy-tool 0.1.0
[INFO] tweaked toml for crates.io crate mcp-proxy-tool 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-proxy-tool 0.1.0 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-proxy-tool 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d
[INFO] running `Command { std: "docker" "start" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling argh_shared v0.1.13
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking rust-fuzzy-search v0.1.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling winres v0.1.12
[INFO] [stderr]    Compiling mcp-proxy-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]  --> build.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     #[cfg(windows)]
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcp-proxy-tool` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d", kill_on_drop: false }`
[INFO] [stdout] ff2566e0e82f72457fa52f9411f3ec2bbd6df8aa7cf73eed2748c6256ce0ed6d