[INFO] fetching crate mefikit 0.1.4...
[INFO] checking mefikit-0.1.4 against try#901d6c1c62d7c61e05469e996c297476078ee06b for pr-157082
[INFO] extracting crate mefikit 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mefikit 0.1.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mefikit 0.1.4
[INFO] tweaked toml for crates.io crate mefikit 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mefikit 0.1.4 on toolchain 901d6c1c62d7c61e05469e996c297476078ee06b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mefikit 0.1.4 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" "+901d6c1c62d7c61e05469e996c297476078ee06b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df
[INFO] running `Command { std: "docker" "start" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df", 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" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df", 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" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling gungraun-macros v0.8.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking twox-hash v2.1.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling gungraun-runner v0.18.2
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking lz4_flex v0.11.6
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking trim-in-place v0.1.7
[INFO] [stderr]     Checking cast v0.3.0
[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 2026-05-28; 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" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df", kill_on_drop: false }`
[INFO] [stdout] 94e1bf5df7090df1516a38436da27aeaff5a3b6cf91c0f06228554bc862b06df
