[INFO] fetching crate candle-gemm-f32 0.16.0...
[INFO] checking candle-gemm-f32-0.16.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate candle-gemm-f32 0.16.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate candle-gemm-f32 0.16.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate candle-gemm-f32 0.16.0
[INFO] finished tweaking crates.io crate candle-gemm-f32 0.16.0
[INFO] tweaked toml for crates.io crate candle-gemm-f32 0.16.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding dyn-stack v0.9.1 (latest: v0.10.0)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reborrow v0.5.5
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded candle-gemm-common v0.16.0
[INFO] [stderr]   Downloaded dyn-stack v0.9.1
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda130ff146b3b4e63f8ced68ad396a3ad985a3659b93428464f75b0e741358d
[INFO] running `Command { std: "docker" "start" "-a" "dda130ff146b3b4e63f8ced68ad396a3ad985a3659b93428464f75b0e741358d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda130ff146b3b4e63f8ced68ad396a3ad985a3659b93428464f75b0e741358d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda130ff146b3b4e63f8ced68ad396a3ad985a3659b93428464f75b0e741358d", kill_on_drop: false }`
[INFO] [stdout] dda130ff146b3b4e63f8ced68ad396a3ad985a3659b93428464f75b0e741358d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e2e101dc8f3126910bf905be87d7eabfc4ab3ab3ff2274fe02a1dc42c7b30e
[INFO] running `Command { std: "docker" "start" "-a" "23e2e101dc8f3126910bf905be87d7eabfc4ab3ab3ff2274fe02a1dc42c7b30e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking dyn-stack v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking candle-gemm-common v0.16.0
[INFO] [stderr]     Checking candle-gemm-f32 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "23e2e101dc8f3126910bf905be87d7eabfc4ab3ab3ff2274fe02a1dc42c7b30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e2e101dc8f3126910bf905be87d7eabfc4ab3ab3ff2274fe02a1dc42c7b30e", kill_on_drop: false }`
[INFO] [stdout] 23e2e101dc8f3126910bf905be87d7eabfc4ab3ab3ff2274fe02a1dc42c7b30e
[INFO] checking candle-gemm-f32-0.16.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate candle-gemm-f32 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate candle-gemm-f32 0.16.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate candle-gemm-f32 0.16.0
[INFO] finished tweaking crates.io crate candle-gemm-f32 0.16.0
[INFO] tweaked toml for crates.io crate candle-gemm-f32 0.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding dyn-stack v0.9.1 (latest: v0.10.0)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46d65ae02f90dd507a8fea7088651c757afbd9344a23313db2db931ed8e8b167
[INFO] running `Command { std: "docker" "start" "-a" "46d65ae02f90dd507a8fea7088651c757afbd9344a23313db2db931ed8e8b167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d65ae02f90dd507a8fea7088651c757afbd9344a23313db2db931ed8e8b167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d65ae02f90dd507a8fea7088651c757afbd9344a23313db2db931ed8e8b167", kill_on_drop: false }`
[INFO] [stdout] 46d65ae02f90dd507a8fea7088651c757afbd9344a23313db2db931ed8e8b167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557e8ba451efdcc727f772002fd754893d7bc8a28de9b5ce40026182190d15f6
[INFO] running `Command { std: "docker" "start" "-a" "557e8ba451efdcc727f772002fd754893d7bc8a28de9b5ce40026182190d15f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking dyn-stack v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking candle-gemm-common v0.16.0
[INFO] [stderr]     Checking candle-gemm-f32 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "557e8ba451efdcc727f772002fd754893d7bc8a28de9b5ce40026182190d15f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557e8ba451efdcc727f772002fd754893d7bc8a28de9b5ce40026182190d15f6", kill_on_drop: false }`
[INFO] [stdout] 557e8ba451efdcc727f772002fd754893d7bc8a28de9b5ce40026182190d15f6