[INFO] fetching crate print-target-feature 0.1.0...
[INFO] testing print-target-feature-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate print-target-feature 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate print-target-feature 0.1.0
[INFO] finished tweaking crates.io crate print-target-feature 0.1.0
[INFO] tweaked toml for crates.io crate print-target-feature 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate print-target-feature 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b82639dfd1277044f8b1c054287f3b52a565e83a3d2bf96a665b69e4180b80
[INFO] running `Command { std: "docker" "start" "-a" "54b82639dfd1277044f8b1c054287f3b52a565e83a3d2bf96a665b69e4180b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b82639dfd1277044f8b1c054287f3b52a565e83a3d2bf96a665b69e4180b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b82639dfd1277044f8b1c054287f3b52a565e83a3d2bf96a665b69e4180b80", kill_on_drop: false }`
[INFO] [stdout] 54b82639dfd1277044f8b1c054287f3b52a565e83a3d2bf96a665b69e4180b80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f203dabc6df685220bc8cdc3b39f5b76047f998b88472283df997d642e530ed
[INFO] running `Command { std: "docker" "start" "-a" "7f203dabc6df685220bc8cdc3b39f5b76047f998b88472283df997d642e530ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling print-target-feature v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `print-target-feature v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/print-target-feature-a246a63ea7ed2430/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE="fxsr,sse,sse2"
[INFO] running `Command { std: "docker" "inspect" "7f203dabc6df685220bc8cdc3b39f5b76047f998b88472283df997d642e530ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f203dabc6df685220bc8cdc3b39f5b76047f998b88472283df997d642e530ed", kill_on_drop: false }`
[INFO] [stdout] 7f203dabc6df685220bc8cdc3b39f5b76047f998b88472283df997d642e530ed