[INFO] cloning repository https://github.com/brittonr/nix-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brittonr/nix-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrittonr%2Fnix-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrittonr%2Fnix-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3314ac495b2462777ed58505ea6a801757e83bee
[INFO] checking brittonr/nix-mcp against master#7ad4e69ad585d8ff214f7b42d01f1959eda08f40 for pr-152543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrittonr%2Fnix-mcp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brittonr/nix-mcp
[INFO] finished tweaking git repo https://github.com/brittonr/nix-mcp
[INFO] tweaked toml for git repo https://github.com/brittonr/nix-mcp written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brittonr/nix-mcp on toolchain 7ad4e69ad585d8ff214f7b42d01f1959eda08f40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brittonr/nix-mcp 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" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmcp-macros v0.10.0
[INFO] [stderr]   Downloaded rmcp v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2b184ccebec6b9fece0888527adb07ccf4a27defcf56a4d965c1d79de89ee3
[INFO] running `Command { std: "docker" "start" "-a" "ef2b184ccebec6b9fece0888527adb07ccf4a27defcf56a4d965c1d79de89ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2b184ccebec6b9fece0888527adb07ccf4a27defcf56a4d965c1d79de89ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2b184ccebec6b9fece0888527adb07ccf4a27defcf56a4d965c1d79de89ee3", kill_on_drop: false }`
[INFO] [stdout] ef2b184ccebec6b9fece0888527adb07ccf4a27defcf56a4d965c1d79de89ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e52e610a0dbe58af2955a376d00080c475037277cba5e6f41938edab58d7d86
[INFO] running `Command { std: "docker" "start" "-a" "8e52e610a0dbe58af2955a376d00080c475037277cba5e6f41938edab58d7d86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tracing v0.1.43
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling pastey v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling schemars_derive v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rmcp-macros v0.10.0
[INFO] [stderr]     Checking schemars v1.1.0
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking rmcp v0.10.0
[INFO] [stderr]     Checking hyper-util v0.1.18
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking onix-mcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `audit` and `caches` are never read
[INFO] [stdout]   --> src/common/nix_server.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct NixServer {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     audit: Arc<AuditLogger>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     caches: Arc<CacheRegistry>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NixServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `audit` and `caches` are never read
[INFO] [stdout]   --> src/common/nix_server.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct NixServer {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     audit: Arc<AuditLogger>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     caches: Arc<CacheRegistry>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NixServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.28s
[INFO] running `Command { std: "docker" "inspect" "8e52e610a0dbe58af2955a376d00080c475037277cba5e6f41938edab58d7d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e52e610a0dbe58af2955a376d00080c475037277cba5e6f41938edab58d7d86", kill_on_drop: false }`
[INFO] [stdout] 8e52e610a0dbe58af2955a376d00080c475037277cba5e6f41938edab58d7d86
