[INFO] fetching crate mailstrom 0.8.0...
[INFO] checking mailstrom-0.8.0 against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] extracting crate mailstrom 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mailstrom 0.8.0
[INFO] finished tweaking crates.io crate mailstrom 0.8.0
[INFO] tweaked toml for crates.io crate mailstrom 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mailstrom 0.8.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 181 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.3.5 (available: v0.11.10)
[INFO] [stderr]       Adding lettre v0.9.6 (available: v0.11.22)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding trust-dns-resolver v0.10.3 (available: v0.23.2)
[INFO] [stderr]       Adding uuid v0.4.0 (available: v1.23.3)
[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] [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] 30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80
[INFO] running `Command { std: "docker" "start" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80", 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" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80", 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" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[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] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking buf-read-ext v0.3.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking log v0.3.9
[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" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80", kill_on_drop: false }`
[INFO] [stdout] 30b9d8a4bc1abe15a76296ba823b202197f8e9e56175b6a9d31513f433ff0d80
