[INFO] fetching crate g2jsonrt 0.1.0...
[INFO] checking g2jsonrt-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate g2jsonrt 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate g2jsonrt 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate g2jsonrt 0.1.0
[INFO] finished tweaking crates.io crate g2jsonrt 0.1.0
[INFO] tweaked toml for crates.io crate g2jsonrt 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 137 packages
[INFO] [stderr]       Adding axum v0.6.20 (latest: v0.7.5)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.9.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dad0c31a8cbf8d584960d71f2f30e9ed9e322d9f570268a1b7d5c5b1af05d06
[INFO] running `Command { std: "docker" "start" "-a" "1dad0c31a8cbf8d584960d71f2f30e9ed9e322d9f570268a1b7d5c5b1af05d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dad0c31a8cbf8d584960d71f2f30e9ed9e322d9f570268a1b7d5c5b1af05d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dad0c31a8cbf8d584960d71f2f30e9ed9e322d9f570268a1b7d5c5b1af05d06", kill_on_drop: false }`
[INFO] [stdout] 1dad0c31a8cbf8d584960d71f2f30e9ed9e322d9f570268a1b7d5c5b1af05d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d835b1aafd7cde33af75527556e9767d8c34bd8dababee4641ea055d63d8b34
[INFO] running `Command { std: "docker" "start" "-a" "6d835b1aafd7cde33af75527556e9767d8c34bd8dababee4641ea055d63d8b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
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[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking futures-util v0.3.30
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[INFO] [stderr]     Checking axum-core v0.3.4
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
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[INFO] [stderr]     Checking g2jsonrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `net::SocketAddr`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, net::SocketAddr};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpListener`, `TcpStream`
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{TcpListener, TcpStream},
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Response`, `accept_async`, `connect`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     accept_async,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     tungstenite::{
[INFO] [stdout] 13 |         connect,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 14 |         handshake::server::{Request, Response},
[INFO] [stdout]    |                             ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Router`, `State`, `TypedHeader`, `WebSocketUpgrade`, `headers`, `response::IntoResponse`, `routing::get`
[INFO] [stdout]   --> src/lib.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ws::{Message, WebSocket, WebSocketUpgrade},
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |         State, TypedHeader,
[INFO] [stdout]    |         ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 23 |     },
[INFO] [stdout] 24 |     headers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     response::IntoResponse,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     routing::get,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     Router,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpListener`, `TcpStream`
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{TcpListener, TcpStream},
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Response`, `accept_async`, `connect`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     accept_async,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     tungstenite::{
[INFO] [stdout] 13 |         connect,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 14 |         handshake::server::{Request, Response},
[INFO] [stdout]    |                             ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `State`, `TypedHeader`, `headers`, `response::IntoResponse`
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         State, TypedHeader,
[INFO] [stdout]    |         ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 23 |     },
[INFO] [stdout] 24 |     headers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     response::IntoResponse,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Err(e) => return Err("bad request for websocket"),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Err(e) => return Err("bad request for websocket"),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/lib.rs:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ws.on_upgrade(|socket| onhander(socket, |h, s, tx: tokio::sync::mpsc::UnboundedSender<Message>, hash| {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ws.on_upgrade(|socket| onhander(socket, |h, s, tx: tokio::sync::mpsc::UnboundedSender<Message>, hash| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/lib.rs:34:105
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ws.on_upgrade(|socket| onhander(socket, |h, s, tx: tokio::sync::mpsc::UnboundedSender<Message>, hash| {
[INFO] [stdout]    |                                                                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `body::HttpBody`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     body::HttpBody,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             outgoing.send(msg).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let _ = outgoing.send(msg).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `body::HttpBody`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     body::HttpBody,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             tx.send(Message::Text("123".to_string()));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = tx.send(Message::Text("123".to_string()));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             outgoing.send(msg).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let _ = outgoing.send(msg).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "6d835b1aafd7cde33af75527556e9767d8c34bd8dababee4641ea055d63d8b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d835b1aafd7cde33af75527556e9767d8c34bd8dababee4641ea055d63d8b34", kill_on_drop: false }`
[INFO] [stdout] 6d835b1aafd7cde33af75527556e9767d8c34bd8dababee4641ea055d63d8b34