[INFO] fetching crate my-bfgs 0.1.2... [INFO] testing my-bfgs-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate my-bfgs 0.1.2 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate my-bfgs 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.1.44 [INFO] [stderr] Downloaded num-rational v0.1.43 [INFO] [stderr] Downloaded num-bigint v0.1.45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5fa50e82620d14478c966985382be437f5d8e226eae7a9569b6ca9336d1b1a1 [INFO] running `Command { std: "docker" "start" "-a" "b5fa50e82620d14478c966985382be437f5d8e226eae7a9569b6ca9336d1b1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5fa50e82620d14478c966985382be437f5d8e226eae7a9569b6ca9336d1b1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5fa50e82620d14478c966985382be437f5d8e226eae7a9569b6ca9336d1b1a1", kill_on_drop: false }` [INFO] [stdout] b5fa50e82620d14478c966985382be437f5d8e226eae7a9569b6ca9336d1b1a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] da06cb69f4de1958e5f76bb49369f58807dcae9ee9aa41b644ae13e38cc0d5c1 [INFO] running `Command { std: "docker" "start" "-a" "da06cb69f4de1958e5f76bb49369f58807dcae9ee9aa41b644ae13e38cc0d5c1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling my-bfgs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s [INFO] running `Command { std: "docker" "inspect" "da06cb69f4de1958e5f76bb49369f58807dcae9ee9aa41b644ae13e38cc0d5c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da06cb69f4de1958e5f76bb49369f58807dcae9ee9aa41b644ae13e38cc0d5c1", kill_on_drop: false }` [INFO] [stdout] da06cb69f4de1958e5f76bb49369f58807dcae9ee9aa41b644ae13e38cc0d5c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] eb23d5424ee6f55fd9ad5e0cb6c5fb209d315e4c80fb7a1d680c5f6115bd8249 [INFO] running `Command { std: "docker" "start" "-a" "eb23d5424ee6f55fd9ad5e0cb6c5fb209d315e4c80fb7a1d680c5f6115bd8249", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling num-bigint v0.1.45 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling num-complex v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num v0.1.43 [INFO] [stderr] Compiling spectral v0.6.0 [INFO] [stderr] Compiling 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 2025-06-19; 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 2025-06-19; 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 2025-06-19; 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 2025-06-19; 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 2025-06-19; 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" "eb23d5424ee6f55fd9ad5e0cb6c5fb209d315e4c80fb7a1d680c5f6115bd8249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb23d5424ee6f55fd9ad5e0cb6c5fb209d315e4c80fb7a1d680c5f6115bd8249", kill_on_drop: false }` [INFO] [stdout] eb23d5424ee6f55fd9ad5e0cb6c5fb209d315e4c80fb7a1d680c5f6115bd8249