[INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/rmanoka/test-async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmanoka/test-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d15d7a9af3fec0a96f309296254d646c2565097b [INFO] checking rmanoka/test-async-rust against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rmanoka/test-async-rust on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] finished tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] tweaked toml for git repo https://github.com/rmanoka/test-async-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rmanoka/test-async-rust 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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a606f7b0aa47237ead3c8371630ebb9dd3221117c4ea15f61c491350a5d86ec2 [INFO] running `Command { std: "docker" "start" "-a" "a606f7b0aa47237ead3c8371630ebb9dd3221117c4ea15f61c491350a5d86ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a606f7b0aa47237ead3c8371630ebb9dd3221117c4ea15f61c491350a5d86ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a606f7b0aa47237ead3c8371630ebb9dd3221117c4ea15f61c491350a5d86ec2", kill_on_drop: false }` [INFO] [stdout] a606f7b0aa47237ead3c8371630ebb9dd3221117c4ea15f61c491350a5d86ec2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36b4bd7982824b93fd8e8ed24602452f806ba7201f76f879ddf8a26cfbb835d8 [INFO] running `Command { std: "docker" "start" "-a" "36b4bd7982824b93fd8e8ed24602452f806ba7201f76f879ddf8a26cfbb835d8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaDBWWLs/lib.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-util` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "36b4bd7982824b93fd8e8ed24602452f806ba7201f76f879ddf8a26cfbb835d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b4bd7982824b93fd8e8ed24602452f806ba7201f76f879ddf8a26cfbb835d8", kill_on_drop: false }` [INFO] [stdout] 36b4bd7982824b93fd8e8ed24602452f806ba7201f76f879ddf8a26cfbb835d8 [INFO] checking rmanoka/test-async-rust against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rmanoka/test-async-rust on toolchain 09146510cdb33d15474a35fde290187a88b1cf35 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] finished tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] tweaked toml for git repo https://github.com/rmanoka/test-async-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rmanoka/test-async-rust 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" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7b4f16aada9bce93cb0d4f5aad8baa7a4ecdf2a0a98d8c9ccf7c1a50d4981be4-init: no space left on device [INFO] checking rmanoka/test-async-rust against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file Cargo.toml [INFO] [stderr] error: unable to write file README.md [INFO] [stderr] error: unable to write file fib.go [INFO] [stderr] fatal: cannot create directory at 'src': No space left on device [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking rmanoka/test-async-rust against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rmanoka/test-async-rust on toolchain 09146510cdb33d15474a35fde290187a88b1cf35 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] finished tweaking git repo https://github.com/rmanoka/test-async-rust [INFO] tweaked toml for git repo https://github.com/rmanoka/test-async-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rmanoka/test-async-rust 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" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/702db2b5f65ef66d9c0431e05fdbd9238304ea57ab3b9c43c0d7542c364f966d-init: no space left on device [INFO] checking rmanoka/test-async-rust against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] fatal: unable to write new index file [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking rmanoka/test-async-rust against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmanoka%2Ftest-async-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] fatal: unable to write new index file [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [ERROR] this task or one of its parent failed! [ERROR] failed to checkout https://github.com/rmanoka/test-async-rust [ERROR] caused by: command failed: exit status: 128 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.