[INFO] cloning repository https://github.com/afnanenayet/rust-knowledge-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afnanenayet/rust-knowledge-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Frust-knowledge-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Frust-knowledge-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ad95cd1bb87894e7265e71a061ae0280441af03
[INFO] checking afnanenayet/rust-knowledge-mcp against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Frust-knowledge-mcp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/afnanenayet/rust-knowledge-mcp
[INFO] finished tweaking git repo https://github.com/afnanenayet/rust-knowledge-mcp
[INFO] tweaked toml for git repo https://github.com/afnanenayet/rust-knowledge-mcp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/afnanenayet/rust-knowledge-mcp on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/afnanenayet/rust-knowledge-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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554
[INFO] running `Command { std: "docker" "start" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554", 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" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554", 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" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling camino v1.2.5
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling facet-core v0.46.5
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking const-fnv1a-hash v1.1.0
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]    Compiling unsynn v0.3.0
[INFO] [stderr]    Compiling zstd-sys v2.1.0+zstd.1.5.7
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stdout] error[E0493]: destructor of `[T; S]` cannot be evaluated at compile-time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallvec-2.0.0-alpha.13/src/lib.rs:719:43
[INFO] [stdout]     |
[INFO] [stdout] 719 |     pub const fn from_buf<const S: usize>(elements: [T; S]) -> Self {
[INFO] [stdout]     |                                           ^^^^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 745 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling facet v0.46.5
[INFO] [stderr]     Checking num-conv v0.2.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0493`.
[INFO] [stdout] 
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554", kill_on_drop: false }`
[INFO] [stdout] f1a49c9df9cb6770bb0e209b5521816fbb7153db1662183dd3865cf6f925c554
