[INFO] cloning repository https://github.com/ssukanmi/rust-integration-labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssukanmi/rust-integration-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssukanmi%2Frust-integration-labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssukanmi%2Frust-integration-labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24e08528a9a51e107b6dcbdf6f997d54eb16d0ca
[INFO] checking ssukanmi/rust-integration-labs against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssukanmi%2Frust-integration-labs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ssukanmi/rust-integration-labs
[INFO] finished tweaking git repo https://github.com/ssukanmi/rust-integration-labs
[INFO] tweaked toml for git repo https://github.com/ssukanmi/rust-integration-labs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ssukanmi/rust-integration-labs 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/ssukanmi/rust-integration-labs 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad
[INFO] running `Command { std: "docker" "start" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad", 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" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad", 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" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[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 2026-06-12; 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 `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" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad", kill_on_drop: false }`
[INFO] [stdout] 7c2628f9cf87c3f6963a109fdedc77d70d46d7bbc9faf266b82c40df27ecf8ad
