[INFO] fetching crate my-bfgs 0.1.2... [INFO] checking my-bfgs-0.1.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate my-bfgs 0.1.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate my-bfgs 0.1.2 [INFO] finished tweaking crates.io crate my-bfgs 0.1.2 [INFO] tweaked toml for crates.io crate my-bfgs 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate my-bfgs 0.1.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5183fd8b834bab232588a40b2a282fbd915413bedc313d89f2bb229c76fac17b [INFO] running `Command { std: "docker" "start" "-a" "5183fd8b834bab232588a40b2a282fbd915413bedc313d89f2bb229c76fac17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5183fd8b834bab232588a40b2a282fbd915413bedc313d89f2bb229c76fac17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5183fd8b834bab232588a40b2a282fbd915413bedc313d89f2bb229c76fac17b", kill_on_drop: false }` [INFO] [stdout] 5183fd8b834bab232588a40b2a282fbd915413bedc313d89f2bb229c76fac17b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e9df4dba2b6f7eeddfe1b991aedb2ad501532e0bdaee4e7453a3d743519e64a [INFO] running `Command { std: "docker" "start" "-a" "3e9df4dba2b6f7eeddfe1b991aedb2ad501532e0bdaee4e7453a3d743519e64a", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling num-complex v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.43 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking num v0.1.43 [INFO] [stderr] Checking spectral v0.6.0 [INFO] [stderr] Checking my-bfgs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/benchmark.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> src/benchmark.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> src/benchmark.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> src/benchmark.rs:9:39 [INFO] [stdout] | [INFO] [stdout] 9 | fn test_x_fourth_p_1000(bencher: &mut Bencher) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> src/benchmark.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | bencher.iter(|| { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; 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 `my-bfgs` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "3e9df4dba2b6f7eeddfe1b991aedb2ad501532e0bdaee4e7453a3d743519e64a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9df4dba2b6f7eeddfe1b991aedb2ad501532e0bdaee4e7453a3d743519e64a", kill_on_drop: false }` [INFO] [stdout] 3e9df4dba2b6f7eeddfe1b991aedb2ad501532e0bdaee4e7453a3d743519e64a