[INFO] cloning repository https://github.com/AntonChernev/suffix-tree-search [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonChernev/suffix-tree-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonChernev%2Fsuffix-tree-search", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonChernev%2Fsuffix-tree-search'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a74152404d74555571cdb3d3123d656c81e5ff2 [INFO] checking AntonChernev/suffix-tree-search against try#901d6c1c62d7c61e05469e996c297476078ee06b for pr-157082 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonChernev%2Fsuffix-tree-search" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/AntonChernev/suffix-tree-search [INFO] finished tweaking git repo https://github.com/AntonChernev/suffix-tree-search [INFO] tweaked toml for git repo https://github.com/AntonChernev/suffix-tree-search written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/AntonChernev/suffix-tree-search 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 git repo https://github.com/AntonChernev/suffix-tree-search 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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2 [INFO] running `Command { std: "docker" "start" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2", 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" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2", 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" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking bytes v0.4.12 [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-0.4.2/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 2026-05-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [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" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2", kill_on_drop: false }` [INFO] [stdout] ae60c8ae39b75e2d39297781fa590725a4697fb7d876be2fc7cc8444f71139d2