[INFO] cloning repository https://github.com/namqhorah/rustcores
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/namqhorah/rustcores" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamqhorah%2Frustcores", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamqhorah%2Frustcores'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 346a26794d4e5c96f76087ff755a38ce4d469bb6
[INFO] checking namqhorah/rustcores against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamqhorah%2Frustcores" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/namqhorah/rustcores
[INFO] finished tweaking git repo https://github.com/namqhorah/rustcores
[INFO] tweaked toml for git repo https://github.com/namqhorah/rustcores written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/namqhorah/rustcores on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/namqhorah/rustcores 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cb1d0537924d53fd95f78a606047bbd29e3c9f4f152c99f4dcee575e47f7c0
[INFO] running `Command { std: "docker" "start" "-a" "d3cb1d0537924d53fd95f78a606047bbd29e3c9f4f152c99f4dcee575e47f7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cb1d0537924d53fd95f78a606047bbd29e3c9f4f152c99f4dcee575e47f7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cb1d0537924d53fd95f78a606047bbd29e3c9f4f152c99f4dcee575e47f7c0", kill_on_drop: false }`
[INFO] [stdout] d3cb1d0537924d53fd95f78a606047bbd29e3c9f4f152c99f4dcee575e47f7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469c138783661ae99051d149b2669e3e3a146736de37b5d0c2f4e8fa816fe553
[INFO] running `Command { std: "docker" "start" "-a" "469c138783661ae99051d149b2669e3e3a146736de37b5d0c2f4e8fa816fe553", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking rustcores v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/actor.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 ActorMessage::Compute { task_id, data } => {
[INFO] [stdout]    |                                         ^^^^^^^ help: try ignoring the field: `task_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/actor.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let result: u64 = data.iter().sum();
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_id`
[INFO] [stdout]   --> src/actor.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 ActorMessage::Query { query_id, respond_to } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `query_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_id`
[INFO] [stdout]   --> src/actor.rs:84:43
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 ActorMessage::Supervise { child_id, status } => {
[INFO] [stdout]    |                                           ^^^^^^^^ help: try ignoring the field: `child_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subscriber_id`
[INFO] [stdout]    --> src/pubsub.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn unsubscribe(&self, topic: &Topic, subscriber_id: SubscriberId) {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subscriber_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/csp.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CspProcess {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 28 |     id: ProcessId,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `subscriptions` is never read
[INFO] [stdout]   --> src/pubsub.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Subscriber {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 22 |     id: SubscriberId,
[INFO] [stdout] 23 |     subscriptions: Vec<Topic>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/actor.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 ActorMessage::Compute { task_id, data } => {
[INFO] [stdout]    |                                         ^^^^^^^ help: try ignoring the field: `task_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/actor.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let result: u64 = data.iter().sum();
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_id`
[INFO] [stdout]   --> src/actor.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 ActorMessage::Query { query_id, respond_to } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `query_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_id`
[INFO] [stdout]   --> src/actor.rs:84:43
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 ActorMessage::Supervise { child_id, status } => {
[INFO] [stdout]    |                                           ^^^^^^^^ help: try ignoring the field: `child_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subscriber_id`
[INFO] [stdout]    --> src/pubsub.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn unsubscribe(&self, topic: &Topic, subscriber_id: SubscriberId) {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subscriber_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/csp.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CspProcess {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 28 |     id: ProcessId,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `subscriptions` is never read
[INFO] [stdout]   --> src/pubsub.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Subscriber {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 22 |     id: SubscriberId,
[INFO] [stdout] 23 |     subscriptions: Vec<Topic>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> examples/communication_patterns.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let mut count = 0;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> examples/communication_patterns.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     count += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/communication_patterns.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..5 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csp_handles`
[INFO] [stdout]   --> examples/communication_patterns.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let csp_handles = csp_network.initialize().await;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_csp_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `df_handles`
[INFO] [stdout]   --> examples/communication_patterns.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let df_handles = dataflow.build_pipeline().await;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_df_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/communication_patterns.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     for i in 0..3 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.98s
[INFO] running `Command { std: "docker" "inspect" "469c138783661ae99051d149b2669e3e3a146736de37b5d0c2f4e8fa816fe553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469c138783661ae99051d149b2669e3e3a146736de37b5d0c2f4e8fa816fe553", kill_on_drop: false }`
[INFO] [stdout] 469c138783661ae99051d149b2669e3e3a146736de37b5d0c2f4e8fa816fe553