[INFO] fetching crate strength_reduce 0.2.4...
[INFO] checking strength_reduce-0.2.4 against 1.95.0 for pr-155915
[INFO] extracting crate strength_reduce 0.2.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate strength_reduce 0.2.4
[INFO] finished tweaking crates.io crate strength_reduce 0.2.4
[INFO] tweaked toml for crates.io crate strength_reduce 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strength_reduce 0.2.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4c628653ddd1f206e8f03e58d9d827606491b3fab2befeb7e8381a2d4593e8
[INFO] running `Command { std: "docker" "start" "-a" "2a4c628653ddd1f206e8f03e58d9d827606491b3fab2befeb7e8381a2d4593e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4c628653ddd1f206e8f03e58d9d827606491b3fab2befeb7e8381a2d4593e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4c628653ddd1f206e8f03e58d9d827606491b3fab2befeb7e8381a2d4593e8", kill_on_drop: false }`
[INFO] [stdout] 2a4c628653ddd1f206e8f03e58d9d827606491b3fab2befeb7e8381a2d4593e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9b15182fcf1cc0867291cb2efa7e38bbab89d0c4e6b4664d9acba19a8fa16a
[INFO] running `Command { std: "docker" "start" "-a" "ef9b15182fcf1cc0867291cb2efa7e38bbab89d0c4e6b4664d9acba19a8fa16a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking strength_reduce v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stdout] warning: constant `U64_MAX` is never used
[INFO] [stdout]  --> src/long_division.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_128` is never used
[INFO] [stdout]   --> src/long_division.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_128_by_64_helper` is never used
[INFO] [stdout]    --> src/long_division.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn divide_128_by_64_helper(numerator: u128, divisor: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_128_by_32_helper` is never used
[INFO] [stdout]    --> src/long_division.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn divide_128_by_32_helper(numerator: u128, divisor: u32) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking proptest v1.11.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/strength_reduce_benchmarks.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strength_reduce` (bench "strength_reduce_benchmarks") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `U64_MAX` is never used
[INFO] [stdout]  --> src/long_division.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_128` is never used
[INFO] [stdout]   --> src/long_division.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef9b15182fcf1cc0867291cb2efa7e38bbab89d0c4e6b4664d9acba19a8fa16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9b15182fcf1cc0867291cb2efa7e38bbab89d0c4e6b4664d9acba19a8fa16a", kill_on_drop: false }`
[INFO] [stdout] ef9b15182fcf1cc0867291cb2efa7e38bbab89d0c4e6b4664d9acba19a8fa16a
