[INFO] cloning repository https://github.com/mexus/stock-matchers-experiment [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mexus/stock-matchers-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fstock-matchers-experiment", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fstock-matchers-experiment'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf1737e49fc8f4972d3b71c07b594a3395d9048 [INFO] checking mexus/stock-matchers-experiment against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fstock-matchers-experiment" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mexus/stock-matchers-experiment [INFO] finished tweaking git repo https://github.com/mexus/stock-matchers-experiment [INFO] tweaked toml for git repo https://github.com/mexus/stock-matchers-experiment written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mexus/stock-matchers-experiment 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 git repo https://github.com/mexus/stock-matchers-experiment 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] 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@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99 [INFO] running `Command { std: "docker" "start" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99", 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" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99", 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" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling serde v1.0.84 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking textwrap v0.10.0 [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/rand_core-0.3.0/src/impls.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use core::intrinsics::transmute; [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] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] error: could not compile `rand_core` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99", kill_on_drop: false }` [INFO] [stdout] 61dfa95ec9ea95e39af7f31fbaa2274cc5016b6961bb92ad10affaec22994a99