[INFO] fetching crate ismp 2512.1.0...
[INFO] checking ismp-2512.1.0 against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] extracting crate ismp 2512.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ismp 2512.1.0
[INFO] finished tweaking crates.io crate ismp 2512.1.0
[INFO] tweaked toml for crates.io crate ismp 2512.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ismp 2512.1.0 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 ismp 2512.1.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0
[INFO] running `Command { std: "docker" "start" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0", 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" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0", 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" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking keccak v0.1.6
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking const-hex v1.17.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]    Compiling jam-codec v0.1.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking hash-db v0.16.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling libsecp256k1 v0.7.2
[INFO] [stderr]     Checking uint v0.10.0
[INFO] [stderr]     Checking getrandom_or_panic v0.0.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]     Checking environmental v1.1.4
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking impl-num-traits v0.2.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking sp-std v14.0.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking rand_core v0.4.2
[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" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0", kill_on_drop: false }`
[INFO] [stdout] eb4deada6623cd0c18d5de083404bb3cfb41befa5c855e42d0522781b692a5b0
