[INFO] fetching crate mcp-client-rust 0.1.1...
[INFO] checking mcp-client-rust-0.1.1 against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] extracting crate mcp-client-rust 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mcp-client-rust 0.1.1
[INFO] finished tweaking crates.io crate mcp-client-rust 0.1.1
[INFO] tweaked toml for crates.io crate mcp-client-rust 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-client-rust 0.1.1 on toolchain f4690f24e7d9bcb0b168a02b06dd61391e8bd55a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-client-rust 0.1.1 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" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest Rust 1.98.0-nightly compatible versions
[INFO] [stderr]       Adding mcp-core-rs v0.1.0
[INFO] [stderr]       Adding mcp-error-rs v0.1.0
[INFO] [stderr]       Adding mcp-transport-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946
[INFO] running `Command { std: "docker" "start" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946", 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" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946", 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" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking trim-in-place v0.1.7
[INFO] [stdout] error[E0658]: use of unstable library feature `core_intrinsics`: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trim-in-place-0.1.7/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use core::intrinsics::copy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-12; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trim-in-place` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946", kill_on_drop: false }`
[INFO] [stdout] cf2b764ba7ce2db9f5282ac66b045f756e25ac346a4da4dc835777a5f9354946
