[INFO] fetching crate candle-gemm-f64 0.16.0...
[INFO] checking candle-gemm-f64-0.16.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate candle-gemm-f64 0.16.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate candle-gemm-f64 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-f64 0.16.0
[INFO] finished tweaking crates.io crate candle-gemm-f64 0.16.0
[INFO] tweaked toml for crates.io crate candle-gemm-f64 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 seq-macro v0.3.5
[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] 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] 075407c289d26424436ee17edc5ce217ae34b3ce05190459089fbf89e8d72366
[INFO] running `Command { std: "docker" "start" "-a" "075407c289d26424436ee17edc5ce217ae34b3ce05190459089fbf89e8d72366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075407c289d26424436ee17edc5ce217ae34b3ce05190459089fbf89e8d72366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075407c289d26424436ee17edc5ce217ae34b3ce05190459089fbf89e8d72366", kill_on_drop: false }`
[INFO] [stdout] 075407c289d26424436ee17edc5ce217ae34b3ce05190459089fbf89e8d72366
[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] 3cc20c21e79d0db809cc207bbbdfe4deaac2196fbc4927e49293e50a4c2ffaf7
[INFO] running `Command { std: "docker" "start" "-a" "3cc20c21e79d0db809cc207bbbdfe4deaac2196fbc4927e49293e50a4c2ffaf7", kill_on_drop: false }`
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking dyn-stack v0.9.1
[INFO] [stderr]     Checking candle-gemm-common v0.16.0
[INFO] [stderr]     Checking candle-gemm-f64 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "3cc20c21e79d0db809cc207bbbdfe4deaac2196fbc4927e49293e50a4c2ffaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc20c21e79d0db809cc207bbbdfe4deaac2196fbc4927e49293e50a4c2ffaf7", kill_on_drop: false }`
[INFO] [stdout] 3cc20c21e79d0db809cc207bbbdfe4deaac2196fbc4927e49293e50a4c2ffaf7
[INFO] checking candle-gemm-f64-0.16.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate candle-gemm-f64 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate candle-gemm-f64 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-f64 0.16.0
[INFO] finished tweaking crates.io crate candle-gemm-f64 0.16.0
[INFO] tweaked toml for crates.io crate candle-gemm-f64 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] 9037069f1606534db41e4122e18ef9d6c2ab152d9240bbc40abd0e89da2bc78b
[INFO] running `Command { std: "docker" "start" "-a" "9037069f1606534db41e4122e18ef9d6c2ab152d9240bbc40abd0e89da2bc78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9037069f1606534db41e4122e18ef9d6c2ab152d9240bbc40abd0e89da2bc78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9037069f1606534db41e4122e18ef9d6c2ab152d9240bbc40abd0e89da2bc78b", kill_on_drop: false }`
[INFO] [stdout] 9037069f1606534db41e4122e18ef9d6c2ab152d9240bbc40abd0e89da2bc78b
[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] c45ba221e6d28821ea1cd44f39b0d4e758acfd92f79566af16fac532e6d622ac
[INFO] running `Command { std: "docker" "start" "-a" "c45ba221e6d28821ea1cd44f39b0d4e758acfd92f79566af16fac532e6d622ac", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking dyn-stack v0.9.1
[INFO] [stderr]     Checking candle-gemm-common v0.16.0
[INFO] [stderr]     Checking candle-gemm-f64 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "c45ba221e6d28821ea1cd44f39b0d4e758acfd92f79566af16fac532e6d622ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45ba221e6d28821ea1cd44f39b0d4e758acfd92f79566af16fac532e6d622ac", kill_on_drop: false }`
[INFO] [stdout] c45ba221e6d28821ea1cd44f39b0d4e758acfd92f79566af16fac532e6d622ac