[INFO] cloning repository https://github.com/19h/ftsim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/19h/ftsim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Fftsim", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e0f57c1f9779c5fdfd6f3b99f05547e9daa77e4
[INFO] building 19h/ftsim against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Fftsim" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/19h/ftsim
[INFO] finished tweaking git repo https://github.com/19h/ftsim
[INFO] tweaked toml for git repo https://github.com/19h/ftsim written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/19h/ftsim on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/19h/ftsim 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_json v1.0.142
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[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling ftsim-types v0.1.0 (/opt/rustwide/workdir/crates/ftsim-types)
[INFO] [stderr]    Compiling ftsim-proto v0.1.0 (/opt/rustwide/workdir/crates/ftsim-proto)
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LogEntry {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub term: u64,
[INFO] [stdout] 25 |     pub command: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEntry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `commit_index` and `last_applied` are never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct State {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub commit_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub last_applied: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ftsim-engine v0.1.0 (/opt/rustwide/workdir/crates/ftsim-engine)
[INFO] [stdout] warning: unused variable: `sim_ctx`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let sim_ctx = self.context.lock().unwrap();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let node_id = ctx.current_span().id().and_then(|id| {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn on_event(&self, event: &tracing::Event<'_>, ctx: Context<'_, S>) {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TracingContext` is more private than the item `telemetry::TelemetryBus::context`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) fn context(&self) -> Arc<Mutex<TracingContext>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `telemetry::TelemetryBus::context` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TracingContext` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct TracingContext {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seed` is never read
[INFO] [stdout]   --> crates/ftsim-engine/src/rng.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 54 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EngineError` is never used
[INFO] [stdout]  --> crates/ftsim-engine/src/errors.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum EngineError {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/ftsim-engine/src/sim.rs:571:16
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ftsim-tui v0.1.0 (/opt/rustwide/workdir/crates/ftsim-tui)
[INFO] [stderr]    Compiling ftsim-modelcheck v0.1.0 (/opt/rustwide/workdir/crates/ftsim-modelcheck)
[INFO] [stderr]    Compiling ftsim-cli v0.1.0 (/opt/rustwide/workdir/crates/ftsim-cli)
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> crates/ftsim-cli/src/commands/run.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     if let Some(handle) = tui_handle {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.91s
[INFO] running `Command { std: "docker" "inspect" "39bb31835000e57a3749f81426c4ac9120e8b531b25597661fd5f858f7d504c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bb31835000e57a3749f81426c4ac9120e8b531b25597661fd5f858f7d504c4", kill_on_drop: false }`
[INFO] [stdout] 39bb31835000e57a3749f81426c4ac9120e8b531b25597661fd5f858f7d504c4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef9c53ce639b8b4cb3420f29ccf6ea27a3337c38fe92495307a3c44080de429
[INFO] running `Command { std: "docker" "start" "-a" "1ef9c53ce639b8b4cb3420f29ccf6ea27a3337c38fe92495307a3c44080de429", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LogEntry {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub term: u64,
[INFO] [stdout] 25 |     pub command: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEntry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `commit_index` and `last_applied` are never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct State {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub commit_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub last_applied: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling ftsim-engine v0.1.0 (/opt/rustwide/workdir/crates/ftsim-engine)
[INFO] [stderr]    Compiling ftsim-proto v0.1.0 (/opt/rustwide/workdir/crates/ftsim-proto)
[INFO] [stdout] warning: unused variable: `sim_ctx`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let sim_ctx = self.context.lock().unwrap();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let node_id = ctx.current_span().id().and_then(|id| {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn on_event(&self, event: &tracing::Event<'_>, ctx: Context<'_, S>) {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ftsim-types v0.1.0 (/opt/rustwide/workdir/crates/ftsim-types)
[INFO] [stdout] warning: type `TracingContext` is more private than the item `telemetry::TelemetryBus::context`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) fn context(&self) -> Arc<Mutex<TracingContext>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `telemetry::TelemetryBus::context` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TracingContext` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct TracingContext {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seed` is never read
[INFO] [stdout]   --> crates/ftsim-engine/src/rng.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 54 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EngineError` is never used
[INFO] [stdout]  --> crates/ftsim-engine/src/errors.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum EngineError {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/ftsim-engine/src/sim.rs:571:16
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ftsim-tui v0.1.0 (/opt/rustwide/workdir/crates/ftsim-tui)
[INFO] [stderr]    Compiling ftsim-cli v0.1.0 (/opt/rustwide/workdir/crates/ftsim-cli)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> crates/ftsim-cli/src/commands/run.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     if let Some(handle) = tui_handle {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LogEntry {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub term: u64,
[INFO] [stdout] 25 |     pub command: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEntry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `commit_index` and `last_applied` are never read
[INFO] [stdout]   --> crates/ftsim-proto/src/protocols/raft_lite/state.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct State {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub commit_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub last_applied: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stdout] warning: unused variable: `sim_ctx`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let sim_ctx = self.context.lock().unwrap();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let node_id = ctx.current_span().id().and_then(|id| {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/tracing_layer.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn on_event(&self, event: &tracing::Event<'_>, ctx: Context<'_, S>) {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TracingContext` is more private than the item `telemetry::TelemetryBus::context`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) fn context(&self) -> Arc<Mutex<TracingContext>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `telemetry::TelemetryBus::context` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TracingContext` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> crates/ftsim-engine/src/telemetry/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct TracingContext {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seed` is never read
[INFO] [stdout]   --> crates/ftsim-engine/src/rng.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 54 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EngineError` is never used
[INFO] [stdout]  --> crates/ftsim-engine/src/errors.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum EngineError {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/ftsim-engine/src/sim.rs:571:16
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub fn rng(&mut self, site_label: &'static str) -> RngDiscipline<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling generator v0.8.5
[INFO] [stderr]    Compiling shuttle v0.4.1
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling ftsim-modelcheck v0.1.0 (/opt/rustwide/workdir/crates/ftsim-modelcheck)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "1ef9c53ce639b8b4cb3420f29ccf6ea27a3337c38fe92495307a3c44080de429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef9c53ce639b8b4cb3420f29ccf6ea27a3337c38fe92495307a3c44080de429", kill_on_drop: false }`
[INFO] [stdout] 1ef9c53ce639b8b4cb3420f29ccf6ea27a3337c38fe92495307a3c44080de429