[INFO] cloning repository https://github.com/tolkit/gff-stats [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tolkit/gff-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b98b92d4762e35c909ddbfd223f1b3a2ef056f9 [INFO] checking tolkit/gff-stats against master#52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bio v1.1.0 [INFO] [stderr] Downloaded statrs v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16affac6df5dbbedec49db8e54a485be9a562deffcb5b8aff97b4c66722f0387 [INFO] running `Command { std: "docker" "start" "-a" "16affac6df5dbbedec49db8e54a485be9a562deffcb5b8aff97b4c66722f0387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16affac6df5dbbedec49db8e54a485be9a562deffcb5b8aff97b4c66722f0387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16affac6df5dbbedec49db8e54a485be9a562deffcb5b8aff97b4c66722f0387", kill_on_drop: false }` [INFO] [stdout] 16affac6df5dbbedec49db8e54a485be9a562deffcb5b8aff97b4c66722f0387 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89eb1a0168cf277d4dc8556c1b6e969a7e532ad68abd2369c9cb545da905ab93 [INFO] running `Command { std: "docker" "start" "-a" "89eb1a0168cf277d4dc8556c1b6e969a7e532ad68abd2369c9cb545da905ab93", kill_on_drop: false }` [INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "89eb1a0168cf277d4dc8556c1b6e969a7e532ad68abd2369c9cb545da905ab93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89eb1a0168cf277d4dc8556c1b6e969a7e532ad68abd2369c9cb545da905ab93", kill_on_drop: false }` [INFO] [stdout] 89eb1a0168cf277d4dc8556c1b6e969a7e532ad68abd2369c9cb545da905ab93 [INFO] checking tolkit/gff-stats against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 783db662e367aac63375a120150e3b57e20b0d0ce4e3376d9d3fcf88cc0c23d8 [INFO] running `Command { std: "docker" "start" "-a" "783db662e367aac63375a120150e3b57e20b0d0ce4e3376d9d3fcf88cc0c23d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "783db662e367aac63375a120150e3b57e20b0d0ce4e3376d9d3fcf88cc0c23d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "783db662e367aac63375a120150e3b57e20b0d0ce4e3376d9d3fcf88cc0c23d8", kill_on_drop: false }` [INFO] [stdout] 783db662e367aac63375a120150e3b57e20b0d0ce4e3376d9d3fcf88cc0c23d8 [INFO] checking tolkit/gff-stats against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edc9a478334cb65cb10938ee84c00d03520bf85cfa28dfd8f5572673bc5749a5 [INFO] running `Command { std: "docker" "start" "-a" "edc9a478334cb65cb10938ee84c00d03520bf85cfa28dfd8f5572673bc5749a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edc9a478334cb65cb10938ee84c00d03520bf85cfa28dfd8f5572673bc5749a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edc9a478334cb65cb10938ee84c00d03520bf85cfa28dfd8f5572673bc5749a5", kill_on_drop: false }` [INFO] [stdout] edc9a478334cb65cb10938ee84c00d03520bf85cfa28dfd8f5572673bc5749a5 [INFO] checking tolkit/gff-stats against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/01bdc6faffbf0508efa0a99a8eb83b5499cb79dafc62f96910330c8d972ff19d/merged/opt/rustwide/workdir: no space left on device [INFO] checking tolkit/gff-stats against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/15f587aafb1059a1e057461ae09e51c48751c272449b1b879a0736f19309e4cc/merged/opt/rustwide: no space left on device [INFO] checking tolkit/gff-stats against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolkit%2Fgff-stats" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolkit/gff-stats on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolkit/gff-stats [INFO] finished tweaking git repo https://github.com/tolkit/gff-stats [INFO] tweaked toml for git repo https://github.com/tolkit/gff-stats written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tolkit/gff-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/0dd4b2552332a1c23d150936976af42ef79439bb4d35d8f9052e81bf0d806826/merged: no space left on device [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 1 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.