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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serbe/rss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserbe%2Frss", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa89c22769c3aefe24b10cbf830dc06110f57d06
[INFO] checking serbe/rss against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserbe%2Frss" "/workspace/builds/worker-11/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serbe/rss on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serbe/rss
[INFO] finished tweaking git repo https://github.com/serbe/rss
[INFO] tweaked toml for git repo https://github.com/serbe/rss written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/serbe/rss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0425]: cannot find function `handle_request` in this scope
[INFO] [stdout]   --> src/server.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let response = handle_request(&line, &db);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `db` in this scope
[INFO] [stdout]   --> src/server.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let response = handle_request(&line, &db);
[INFO] [stdout]    |                                                       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `handle_request` in this scope
[INFO] [stdout]   --> src/server.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let response = handle_request(&line, &db);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `db` in this scope
[INFO] [stdout]   --> src/server.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let response = handle_request(&line, &db);
[INFO] [stdout]    |                                                       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Response`
[INFO] [stdout]   --> src/server.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::messages::{RcvSrvExt, Request, Response, SndSrvExt};
[INFO] [stdout]    |                                  ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Response`
[INFO] [stdout]   --> src/server.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::messages::{RcvSrvExt, Request, Response, SndSrvExt};
[INFO] [stdout]    |                                  ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `Framed` in the current scope
[INFO] [stdout]   --> src/server.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |     while let Some(result) = lines.next().await {
[INFO] [stdout]    |                                    ^^^^ method not found in `Framed<tokio::net::TcpStream, LinesCodec>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following traits are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]            candidate #1: `use std::iter::Iterator;`
[INFO] [stdout]            candidate #2: `use std::str::pattern::Searcher;`
[INFO] [stdout]            candidate #3: `use futures_util::stream::stream::StreamExt;`
[INFO] [stdout]            candidate #4: `use fallible_iterator::FallibleIterator;`
[INFO] [stdout]            and 3 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `Framed` in the current scope
[INFO] [stdout]    --> src/server.rs:25:39
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 if let Err(e) = lines.send(response.as_str()).await {
[INFO] [stdout]     |                                       ^^^^ method not found in `Framed<tokio::net::TcpStream, LinesCodec>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/src/sink/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn send(&mut self, item: Item) -> Send<'_, Self, Item>
[INFO] [stdout]     |        ---- the method is available for `Framed<tokio::net::TcpStream, LinesCodec>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_util::sink::SinkExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `Framed` in the current scope
[INFO] [stdout]   --> src/server.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |     while let Some(result) = lines.next().await {
[INFO] [stdout]    |                                    ^^^^ method not found in `Framed<tokio::net::TcpStream, LinesCodec>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following traits are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]            candidate #1: `use std::iter::Iterator;`
[INFO] [stdout]            candidate #2: `use std::str::pattern::Searcher;`
[INFO] [stdout]            candidate #3: `use futures_util::stream::stream::StreamExt;`
[INFO] [stdout]            candidate #4: `use fallible_iterator::FallibleIterator;`
[INFO] [stdout]            and 3 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `Framed` in the current scope
[INFO] [stdout]    --> src/server.rs:25:39
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 if let Err(e) = lines.send(response.as_str()).await {
[INFO] [stdout]     |                                       ^^^^ method not found in `Framed<tokio::net::TcpStream, LinesCodec>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/src/sink/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn send(&mut self, item: Item) -> Send<'_, Self, Item>
[INFO] [stdout]     |        ---- the method is available for `Framed<tokio::net::TcpStream, LinesCodec>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_util::sink::SinkExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttest` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c57eb5b0851fef0ad3089017c3cea37ce020eb292349f17fdee174af3c5c0908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57eb5b0851fef0ad3089017c3cea37ce020eb292349f17fdee174af3c5c0908", kill_on_drop: false }`
[INFO] [stdout] c57eb5b0851fef0ad3089017c3cea37ce020eb292349f17fdee174af3c5c0908
