[INFO] fetching crate ubt 0.2.3...
[INFO] testing ubt-0.2.3 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate ubt 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ubt 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ubt 0.2.3
[INFO] tweaked toml for crates.io crate ubt 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ubt 0.2.3 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ubt 0.2.3 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ubt_adapter::UbtDatabase`
[INFO] [stdout]   --> tests/simulation/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use ubt_adapter::UbtDatabase;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TestableDatabase`
[INFO] [stdout]   --> tests/simulation/mod.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use workload::{TestableDatabase, WorkloadConfig, WorkloadRunner};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stem`
[INFO] [stdout]  --> src/compat_tests.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use crate::{Blake3Hasher, Stem, TreeKey, UnifiedBinaryTree, B256};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/geth_compat.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |         use crate::{Hasher, Sha256Hasher, StemNode};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Blake3Hasher`
[INFO] [stdout]    --> src/proof.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use crate::{Blake3Hasher, Sha256Hasher};
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_time` and `client_id` are never read
[INFO] [stdout]   --> tests/simulation/context.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct WorkloadContext {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     start_time: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     operation_count: u64,
[INFO] [stdout] 13 |     client_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `client_id`, `elapsed`, `indexed_value`, `choose`, and `chance` are never used
[INFO] [stdout]    --> tests/simulation/context.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl WorkloadContext {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  34 |     pub fn client_id(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub fn elapsed(&self) -> Duration {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn indexed_value(&self, index: u64) -> [u8; 32] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn choose<'a, T>(&mut self, items: &'a [T]) -> Option<&'a T> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn chance(&mut self, probability: f64) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DeterministicMap` is never used
[INFO] [stdout]    --> tests/simulation/context.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub type DeterministicMap<K, V> = BTreeMap<K, V>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `violations_found` is never read
[INFO] [stdout]   --> tests/simulation/coordinator.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct StatsSnapshot {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub violations_found: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatsSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `duration` is never read
[INFO] [stdout]   --> tests/simulation/coordinator.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct SimulationResult {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub duration: Duration,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SimulationResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stats` is never used
[INFO] [stdout]    --> tests/simulation/coordinator.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl Coordinator {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn stats(&self) -> StatsSnapshot {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `key` is never used
[INFO] [stdout]   --> tests/simulation/invariants.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl UbtOperation {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 40 |     pub fn key(&self) -> &[u8; 32] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `clear` are never used
[INFO] [stdout]    --> tests/simulation/invariants.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl UbtReferenceModel {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn contains(&self, key: &[u8; 32]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_capacity`, `is_empty`, `iter`, `get`, `clear`, and `operations` are never used
[INFO] [stdout]    --> tests/simulation/invariants.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 215 | impl OperationLog {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn iter(&self) -> impl Iterator<Item = &UbtOperation> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn get(&self, index: usize) -> Option<&UbtOperation> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn operations(&self) -> &[UbtOperation] {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `invariant_violations`, `seeds_remaining`, and `seeds_total` are never read
[INFO] [stdout]    --> tests/simulation/metrics.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 417 | pub struct MetricsSnapshot {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 421 |     pub invariant_violations: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 422 |     pub active_workers: u64,
[INFO] [stdout] 423 |     pub seeds_remaining: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 424 |     pub seeds_total: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetricsSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `failure_rate` and `progress_percent` are never used
[INFO] [stdout]    --> tests/simulation/metrics.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 429 | impl MetricsSnapshot {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 438 |     pub fn failure_rate(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 446 |     pub fn progress_percent(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metrics` is never read
[INFO] [stdout]    --> tests/simulation/metrics.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub struct MetricsServer {
[INFO] [stdout]     |                ------------- field in this struct
[INFO] [stdout] 474 |         metrics: SharedMetrics,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `metrics` is never used
[INFO] [stdout]    --> tests/simulation/metrics.rs:544:16
[INFO] [stdout]     |
[INFO] [stdout] 479 |     impl MetricsServer {
[INFO] [stdout]     |     ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 544 |         pub fn metrics(&self) -> &SharedMetrics {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key_space_size` is never read
[INFO] [stdout]   --> tests/simulation/workload.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct WorkloadConfig {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 14 |     pub operations_per_run: u64,
[INFO] [stdout] 15 |     pub key_space_size: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkloadConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `seed` and `duration` are never read
[INFO] [stdout]   --> tests/simulation/workload.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct WorkloadResult {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 38 |     pub seed: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 39 |     pub operations_executed: u64,
[INFO] [stdout] 40 |     pub duration: Duration,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkloadResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.52s
[INFO] running `Command { std: "docker" "inspect" "adc83391d6581cc552a2a0ece18a1ef65c2ef1cfddc29a173fa8a6fe66972d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc83391d6581cc552a2a0ece18a1ef65c2ef1cfddc29a173fa8a6fe66972d53", kill_on_drop: false }`
[INFO] [stdout] adc83391d6581cc552a2a0ece18a1ef65c2ef1cfddc29a173fa8a6fe66972d53
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25ad9d99396558c147b9b5ba9c89a10b5d069dc5b464025cc49ea34944d49e37
[INFO] running `Command { std: "docker" "start" "-a" "25ad9d99396558c147b9b5ba9c89a10b5d069dc5b464025cc49ea34944d49e37", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ubt_adapter::UbtDatabase`
[INFO] [stderr]   --> tests/simulation/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub use ubt_adapter::UbtDatabase;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TestableDatabase`
[INFO] [stderr]   --> tests/simulation/mod.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub use workload::{TestableDatabase, WorkloadConfig, WorkloadRunner};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `start_time` and `client_id` are never read
[INFO] [stderr]   --> tests/simulation/context.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct WorkloadContext {
[INFO] [stderr]    |            --------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     start_time: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 12 |     operation_count: u64,
[INFO] [stderr] 13 |     client_id: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `client_id`, `elapsed`, `indexed_value`, `choose`, and `chance` are never used
[INFO] [stderr]    --> tests/simulation/context.rs:34:12
[INFO] [stderr]     |
[INFO] [stderr]  16 | impl WorkloadContext {
[INFO] [stderr]     | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  34 |     pub fn client_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  44 |     pub fn elapsed(&self) -> Duration {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  82 |     pub fn indexed_value(&self, index: u64) -> [u8; 32] {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  90 |     pub fn choose<'a, T>(&mut self, items: &'a [T]) -> Option<&'a T> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     pub fn chance(&mut self, probability: f64) -> bool {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `DeterministicMap` is never used
[INFO] [stderr]    --> tests/simulation/context.rs:111:10
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub type DeterministicMap<K, V> = BTreeMap<K, V>;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `violations_found` is never read
[INFO] [stderr]   --> tests/simulation/coordinator.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct StatsSnapshot {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub violations_found: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StatsSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `duration` is never read
[INFO] [stderr]   --> tests/simulation/coordinator.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub struct SimulationResult {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 85 |     pub duration: Duration,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SimulationResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `stats` is never used
[INFO] [stderr]    --> tests/simulation/coordinator.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr]  96 | impl Coordinator {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 116 |     pub fn stats(&self) -> StatsSnapshot {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `key` is never used
[INFO] [stderr]   --> tests/simulation/invariants.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl UbtOperation {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] 40 |     pub fn key(&self) -> &[u8; 32] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `contains` and `clear` are never used
[INFO] [stderr]    --> tests/simulation/invariants.rs:96:12
[INFO] [stderr]     |
[INFO] [stderr]  57 | impl UbtReferenceModel {
[INFO] [stderr]     | ---------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  96 |     pub fn contains(&self, key: &[u8; 32]) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `with_capacity`, `is_empty`, `iter`, `get`, `clear`, and `operations` are never used
[INFO] [stderr]    --> tests/simulation/invariants.rs:222:12
[INFO] [stderr]     |
[INFO] [stderr] 215 | impl OperationLog {
[INFO] [stderr]     | ----------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 222 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 236 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |     pub fn iter(&self) -> impl Iterator<Item = &UbtOperation> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 244 |     pub fn get(&self, index: usize) -> Option<&UbtOperation> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 248 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 252 |     pub fn operations(&self) -> &[UbtOperation] {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `invariant_violations`, `seeds_remaining`, and `seeds_total` are never read
[INFO] [stderr]    --> tests/simulation/metrics.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 417 | pub struct MetricsSnapshot {
[INFO] [stderr]     |            --------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 421 |     pub invariant_violations: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 422 |     pub active_workers: u64,
[INFO] [stderr] 423 |     pub seeds_remaining: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 424 |     pub seeds_total: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetricsSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `failure_rate` and `progress_percent` are never used
[INFO] [stderr]    --> tests/simulation/metrics.rs:438:12
[INFO] [stderr]     |
[INFO] [stderr] 429 | impl MetricsSnapshot {
[INFO] [stderr]     | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 438 |     pub fn failure_rate(&self) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 446 |     pub fn progress_percent(&self) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `metrics` is never read
[INFO] [stderr]    --> tests/simulation/metrics.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 473 |     pub struct MetricsServer {
[INFO] [stderr]     |                ------------- field in this struct
[INFO] [stderr] 474 |         metrics: SharedMetrics,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `metrics` is never used
[INFO] [stderr]    --> tests/simulation/metrics.rs:544:16
[INFO] [stderr]     |
[INFO] [stderr] 479 |     impl MetricsServer {
[INFO] [stderr]     |     ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 544 |         pub fn metrics(&self) -> &SharedMetrics {
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `key_space_size` is never read
[INFO] [stderr]   --> tests/simulation/workload.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct WorkloadConfig {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 14 |     pub operations_per_run: u64,
[INFO] [stderr] 15 |     pub key_space_size: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkloadConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `seed` and `duration` are never read
[INFO] [stderr]   --> tests/simulation/workload.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct WorkloadResult {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 38 |     pub seed: u64,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 39 |     pub operations_executed: u64,
[INFO] [stderr] 40 |     pub duration: Duration,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkloadResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `ubt` (test "simulation_test") generated 17 warnings (run `cargo fix --test "simulation_test" -p ubt` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `Stem`
[INFO] [stderr]  --> src/compat_tests.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use crate::{Blake3Hasher, Stem, TreeKey, UnifiedBinaryTree, B256};
[INFO] [stderr]   |                               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]   --> src/geth_compat.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |         use crate::{Hasher, Sha256Hasher, StemNode};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Blake3Hasher`
[INFO] [stderr]    --> src/proof.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     use crate::{Blake3Hasher, Sha256Hasher};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ubt` (lib test) generated 3 warnings (run `cargo fix --lib -p ubt --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ubt-bd5815ae96bfe374)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test code::tests::test_empty_code ... ok
[INFO] [stdout] test code::tests::test_push_spanning_chunks ... ok
[INFO] [stdout] test compat_tests::tests::test_insert_duplicate_key ... ok
[INFO] [stdout] test compat_tests::tests::test_two_keys_match_first_42_bits ... ok
[INFO] [stdout] test code::tests::test_simple_code ... ok
[INFO] [stdout] test code::tests::test_roundtrip ... ok
[INFO] [stdout] test embedding::tests::test_basic_data_roundtrip ... ok
[INFO] [stdout] test code::tests::test_code_chunk_encode_decode ... ok
[INFO] [stdout] test compat_tests::tests::test_two_stem_colocated_values ... ok
[INFO] [stdout] test compat_tests::tests::test_one_stem_colocated_values ... ok
[INFO] [stdout] test embedding::tests::test_code_chunk_key ... ok
[INFO] [stdout] test embedding::tests::test_code_chunks_share_account_stem ... ok
[INFO] [stdout] test embedding::tests::test_different_addresses_different_stems ... ok
[INFO] [stdout] test embedding::tests::test_key_derivation_deterministic ... ok
[INFO] [stdout] test embedding::tests::test_main_storage_slot_key_correctness ... ok
[INFO] [stdout] test compat_tests::tests::test_large_number_of_entries ... ok
[INFO] [stdout] test embedding::tests::test_storage_key_header_slots ... ok
[INFO] [stdout] test embedding::tests::test_storage_key_main_storage ... ok
[INFO] [stdout] test embedding::tests::test_storage_slot_all_high_bytes ... ok
[INFO] [stdout] test embedding::tests::test_storage_slot_high_byte_0xff ... ok
[INFO] [stdout] test embedding::tests::test_storage_slot_boundary_values ... ok
[INFO] [stdout] test hash::tests::test_zero_hash_special_case_sha256 ... ok
[INFO] [stdout] test compat_tests::tests::test_single_entry ... ok
[INFO] [stdout] test geth_compat::tests::test_internal_node_hash_sha256 ... ok
[INFO] [stdout] test geth_compat::tests::test_colocated_values_sha256 ... ok
[INFO] [stdout] test geth_compat::tests::test_single_entry_sha256 ... ok
[INFO] [stdout] test hash::tests::test_non_zero_hash_sha256 ... ok
[INFO] [stdout] test hash::tests::test_sha256_deterministic ... ok
[INFO] [stdout] test hash::tests::test_zero_hash_special_case_blake3 ... ok
[INFO] [stdout] test geth_compat::tests::test_stem_node_hash_single_value ... ok
[INFO] [stdout] test key::tests::test_first_differing_bit ... ok
[INFO] [stdout] test hash::tests::test_non_zero_hash_blake3 ... ok
[INFO] [stdout] test key::tests::test_tree_key_roundtrip ... ok
[INFO] [stdout] test compat_tests::tests::test_two_entries_diff_first_bit ... ok
[INFO] [stdout] test key::tests::test_stem_bit_at ... ok
[INFO] [stdout] test geth_compat::tests::test_two_entries_diff_first_bit_sha256 ... ok
[INFO] [stdout] test node::tests::test_leaf_node_hash ... ok
[INFO] [stdout] test node::tests::test_stem_node_empty_hash ... ok
[INFO] [stdout] test node::tests::test_stem_node_with_value ... ok
[INFO] [stdout] test compat_tests::tests::test_merkleize_multiple_entries ... ok
[INFO] [stdout] test node::tests::test_empty_node_hash ... ok
[INFO] [stdout] test streaming::tests::test_parallel_empty ... ok
[INFO] [stdout] test node::tests::test_stem_node_hash_sha256 ... ok
[INFO] [stdout] test streaming::tests::test_streaming_empty ... ok
[INFO] [stdout] test proof::tests::test_proof_size ... ok
[INFO] [stdout] test streaming::tests::test_parallel_single_entry ... ok
[INFO] [stdout] test geth_compat::tests::test_hash_determinism_sha256 ... ok
[INFO] [stdout] test tree::tests::test_empty_tree ... ok
[INFO] [stdout] test tree::tests::test_get_or_create_stem_marks_dirty ... ok
[INFO] [stdout] test proof::tests::test_proof_verify_simple ... ok
[INFO] [stdout] test compat_tests::tests::test_insertion_order_independence ... ok
[INFO] [stdout] test streaming::tests::test_streaming_single_entry ... ok
[INFO] [stdout] test tree::tests::test_delete ... ok
[INFO] [stdout] test tree::tests::test_delete_to_empty_resets_root_hash ... ok
[INFO] [stdout] test tree::tests::test_incremental_empty_tree ... ok
[INFO] [stdout] test tree::tests::test_multiple_inserts_same_stem ... ok
[INFO] [stdout] test tree::tests::test_single_insert ... ok
[INFO] [stdout] test proof::tests::test_stem_proof_generation ... ok
[INFO] [stdout] test streaming::tests::test_streaming_matches_tree ... ok
[INFO] [stdout] test tree::tests::test_stem_count ... ok
[INFO] [stdout] test tree::tests::test_reserve_stems ... ok
[INFO] [stdout] test tree::tests::test_with_capacity ... ok
[INFO] [stdout] test tree::tests::test_with_hasher_and_capacity ... ok
[INFO] [stdout] test tree::tests::test_multiple_inserts_different_stems ... ok
[INFO] [stdout] test streaming::tests::test_parallel_matches_serial ... ok
[INFO] [stdout] test tree::tests::test_deferred_root_computation ... ok
[INFO] [stdout] test tree::tests::test_root_hash_deterministic ... ok
[INFO] [stdout] test tree::tests::test_mixed_single_and_batch_inserts_root ... ok
[INFO] [stdout] test tree::tests::test_incremental_mode_matches_full_rebuild ... ok
[INFO] [stdout] test streaming::tests::test_streaming_many_stems ... ok
[INFO] [stdout] test tree::tests::test_insert_batch_clears_dirty_flag ... ok
[INFO] [stdout] test tree::tests::test_parallel_rebuild_many_stems ... ok
[INFO] [stdout] test tree::tests::test_parallel_with_incremental_mode ... ok
[INFO] [stdout] test tree::tests::test_incremental_delete_matches_full ... ok
[INFO] [stdout] test tree::tests::test_parallel_matches_non_parallel ... ok
[INFO] [stdout] test tree::tests::test_sorted_stems_produces_deterministic_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_export.rs (/opt/rustwide/target/debug/deps/integration_export-8041b017c2ef1713)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_verify_expected_results ... ok
[INFO] [stdout] test test_export_integration_data ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_export_integration_data stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_export_integration_data' (118) panicked at tests/integration_export.rs:387:39:
[INFO] [stdout] Failed to export test data: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b870efe0c22 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b870efe0c22 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b870efe0c22 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b870efe0c22 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b870eff551a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b870eff551a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5b870efe5a26 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b870efe5a26 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5b870efbf3bf - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b870efbf3bf - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b870efd8f09 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b870ef69dae - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5b870ef69dae - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b870efd90c2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5b870efd90c2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b870efbf478 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b870efb46f9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b870efc02cd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b870eff5bec - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b870eff5962 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5b870ef5384c - <core[27de1724e4349be2]::result::Result<(), std[3b51380354919863]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5b870ef5d797 - integration_export[fad686b5be16a426]::test_export_integration_data
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_export.rs:387:39
[INFO] [stdout]   22:     0x5b870ef566a7 - integration_export[fad686b5be16a426]::test_export_integration_data::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_export.rs:381:34
[INFO] [stdout]   23:     0x5b870ef4da06 - <integration_export[fad686b5be16a426]::test_export_integration_data::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b870ef5e15b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b870ef5e15b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b870ef6a9ba - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b870ef6a9ba - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b870ef6a9ba - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b870ef6a9ba - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b870ef6a9ba - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b870ef6a9ba - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b870ef6a9ba - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b870ef65f64 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stderr] error: test failed, to rerun pass `--test integration_export`
[INFO] [stdout]   34:     0x5b870ef65f64 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b870ef6d4b2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5b870ef6d4b2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b870ef6d4b2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b870ef6d4b2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b870ef6d4b2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b870ef6d4b2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5b870ef6d4b2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b870efe04cf - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5b870efe04cf - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x79e0c8339aa4 - <unknown>
[INFO] [stdout]   45:     0x79e0c83c6a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_export_integration_data
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25ad9d99396558c147b9b5ba9c89a10b5d069dc5b464025cc49ea34944d49e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ad9d99396558c147b9b5ba9c89a10b5d069dc5b464025cc49ea34944d49e37", kill_on_drop: false }`
[INFO] [stdout] 25ad9d99396558c147b9b5ba9c89a10b5d069dc5b464025cc49ea34944d49e37
