[INFO] cloning repository https://github.com/walfie/rs-streams-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walfie/rs-streams-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bf0ab52883491bdbc7197f348862811bf024f5b
[INFO] checking walfie/rs-streams-test against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/walfie/rs-streams-test
[INFO] finished tweaking git repo https://github.com/walfie/rs-streams-test
[INFO] tweaked toml for git repo https://github.com/walfie/rs-streams-test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/walfie/rs-streams-test on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/walfie/rs-streams-test 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded tokio-core v0.1.7
[INFO] [stderr]   Downloaded bytes v0.4.3
[INFO] [stderr]   Downloaded mio v0.6.7
[INFO] [stderr]   Downloaded futures v0.1.13
[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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7cfaf907b7b213bb15581ee82e620911f734a81931df15aea0f73cf676246e
[INFO] running `Command { std: "docker" "start" "-a" "be7cfaf907b7b213bb15581ee82e620911f734a81931df15aea0f73cf676246e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7cfaf907b7b213bb15581ee82e620911f734a81931df15aea0f73cf676246e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7cfaf907b7b213bb15581ee82e620911f734a81931df15aea0f73cf676246e", kill_on_drop: false }`
[INFO] [stdout] be7cfaf907b7b213bb15581ee82e620911f734a81931df15aea0f73cf676246e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928c55266df710e0c9cfe80b7779cdd632ddca773efb5ed51c74d43518cf14b3
[INFO] running `Command { std: "docker" "start" "-a" "928c55266df710e0c9cfe80b7779cdd632ddca773efb5ed51c74d43518cf14b3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking streams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Message {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 15 |     topic_id: u32,
[INFO] [stdout] 16 |     text: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new` is never used
[INFO] [stdout]  --> src/broadcast.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn new<SubId, Sub, Msg, MsgStream, E>(messages: MsgStream)
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventStream` is never constructed
[INFO] [stdout]   --> src/broadcast.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct EventStream<SubId, Sub, Msg, MsgStream>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscriptionManager` is never constructed
[INFO] [stdout]   --> src/broadcast.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct SubscriptionManager<SubId, Sub, Msg>(mpsc::UnboundedSender<Event<SubId, Sub, Msg>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `subscribe` and `unsubscribe` are never used
[INFO] [stdout]   --> src/broadcast.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | / impl<SubId, Sub, Msg> SubscriptionManager<SubId, Sub, Msg>
[INFO] [stdout] 52 | | where
[INFO] [stdout] 53 | |     SubId: Clone,
[INFO] [stdout]    | |_________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |       fn subscribe
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |       fn unsubscribe(&self, id: SubId) -> Result<(), mpsc::SendError<Event<SubId, Sub, Msg>>> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subscription` is never constructed
[INFO] [stdout]   --> src/broadcast.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Subscription<SubId, Sub, Msg>
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unsubscribe` is never used
[INFO] [stdout]   --> src/broadcast.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | / impl<SubId, Sub, Msg> Subscription<SubId, Sub, Msg>
[INFO] [stdout] 90 | | where
[INFO] [stdout] 91 | |     SubId: Clone,
[INFO] [stdout]    | |_________________- method in this implementation
[INFO] [stdout] 92 |   {
[INFO] [stdout] 93 |       fn unsubscribe(&mut self) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/broadcast.rs:109:10
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub enum Event<SubId, Sub, Msg> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Broadcast` is never constructed
[INFO] [stdout]    --> src/broadcast.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Broadcast<SubId, Sub, EventsStream> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Backlog` is never constructed
[INFO] [stdout]  --> src/backlog.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Backlog<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BacklogSnapshot` is never constructed
[INFO] [stdout]   --> src/backlog.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct BacklogSnapshot<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_capacity`, `insert`, and `snapshot` are never used
[INFO] [stdout]   --> src/backlog.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Clone> Backlog<T> {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 18 |     fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn insert(&mut self, item: T) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn snapshot(&self) -> Arc<Vec<T>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]    --> src/broadcast.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let sub = manager.subscribe(1, tx);
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Message {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 15 |     topic_id: u32,
[INFO] [stdout] 16 |     text: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "928c55266df710e0c9cfe80b7779cdd632ddca773efb5ed51c74d43518cf14b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928c55266df710e0c9cfe80b7779cdd632ddca773efb5ed51c74d43518cf14b3", kill_on_drop: false }`
[INFO] [stdout] 928c55266df710e0c9cfe80b7779cdd632ddca773efb5ed51c74d43518cf14b3
