[INFO] cloning repository https://github.com/qRoC/getblock.io-bug4004 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qRoC/getblock.io-bug4004" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FqRoC%2Fgetblock.io-bug4004", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FqRoC%2Fgetblock.io-bug4004'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ca3847bb4f0369084b25140851858e099228972 [INFO] checking qRoC/getblock.io-bug4004 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FqRoC%2Fgetblock.io-bug4004" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qRoC/getblock.io-bug4004 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qRoC/getblock.io-bug4004 [INFO] finished tweaking git repo https://github.com/qRoC/getblock.io-bug4004 [INFO] tweaked toml for git repo https://github.com/qRoC/getblock.io-bug4004 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/qRoC/getblock.io-bug4004 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustls-pki-types v1.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99f32fb4a9a99d6474f7c9da4f523abd62308671aae827a1411bfa72d076f3d4 [INFO] running `Command { std: "docker" "start" "-a" "99f32fb4a9a99d6474f7c9da4f523abd62308671aae827a1411bfa72d076f3d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99f32fb4a9a99d6474f7c9da4f523abd62308671aae827a1411bfa72d076f3d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f32fb4a9a99d6474f7c9da4f523abd62308671aae827a1411bfa72d076f3d4", kill_on_drop: false }` [INFO] [stdout] 99f32fb4a9a99d6474f7c9da4f523abd62308671aae827a1411bfa72d076f3d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2de887acc4329a28599aa89710db90ec30da970c433ebae8bd4f257dd2b4f15 [INFO] running `Command { std: "docker" "start" "-a" "b2de887acc4329a28599aa89710db90ec30da970c433ebae8bd4f257dd2b4f15", kill_on_drop: false }` [INFO] [stderr] Checking rustls-pki-types v1.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling rustls v0.22.2 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.113 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking webpki-roots v0.26.1 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling serde_derive v1.0.196 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking rustls-webpki v0.102.2 [INFO] [stderr] Checking serde v1.0.196 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-rustls v0.25.0 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking bug v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `CloseFrame`, `frame::coding::CloseCode` [INFO] [stdout] --> src/main.rs:17:20 [INFO] [stdout] | [INFO] [stdout] 17 | protocol::{frame::coding::CloseCode, CloseFrame}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseFrame`, `frame::coding::CloseCode` [INFO] [stdout] --> src/main.rs:17:20 [INFO] [stdout] | [INFO] [stdout] 17 | protocol::{frame::coding::CloseCode, CloseFrame}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/main.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:164:42 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/main.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:164:42 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:38 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:164:38 [INFO] [stdout] | [INFO] [stdout] 164 | let (sender, mut receiver) = transport.reconnect().await; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:56:25 [INFO] [stdout] | [INFO] [stdout] 56 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:98:44 [INFO] [stdout] | [INFO] [stdout] 98 | ... if let Err(error) = stream.send(message).await { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:111:36 [INFO] [stdout] | [INFO] [stdout] 111 | if let Err(error) = stream.send(Message::Ping(vec![])).await { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:120:53 [INFO] [stdout] | [INFO] [stdout] 120 | ... Some(Ok(Message::Binary(payload))) => {} [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frame` [INFO] [stdout] --> src/main.rs:125:52 [INFO] [stdout] | [INFO] [stdout] 125 | ... Some(Ok(Message::Close(frame))) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:128:38 [INFO] [stdout] | [INFO] [stdout] 128 | ... Some(Err(error)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:98:44 [INFO] [stdout] | [INFO] [stdout] 98 | ... if let Err(error) = stream.send(message).await { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:111:36 [INFO] [stdout] | [INFO] [stdout] 111 | if let Err(error) = stream.send(Message::Ping(vec![])).await { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:120:53 [INFO] [stdout] | [INFO] [stdout] 120 | ... Some(Ok(Message::Binary(payload))) => {} [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frame` [INFO] [stdout] --> src/main.rs:125:52 [INFO] [stdout] | [INFO] [stdout] 125 | ... Some(Ok(Message::Close(frame))) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:128:38 [INFO] [stdout] | [INFO] [stdout] 128 | ... Some(Err(error)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s [INFO] running `Command { std: "docker" "inspect" "b2de887acc4329a28599aa89710db90ec30da970c433ebae8bd4f257dd2b4f15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2de887acc4329a28599aa89710db90ec30da970c433ebae8bd4f257dd2b4f15", kill_on_drop: false }` [INFO] [stdout] b2de887acc4329a28599aa89710db90ec30da970c433ebae8bd4f257dd2b4f15