[INFO] cloning repository https://github.com/Inspirateur/serenity-utils [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Inspirateur/serenity-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInspirateur%2Fserenity-utils", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInspirateur%2Fserenity-utils'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c218bea91fbb9c95d7831d7c8a2c46bdc83e684c [INFO] checking Inspirateur/serenity-utils against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInspirateur%2Fserenity-utils" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Inspirateur/serenity-utils 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 git repo https://github.com/Inspirateur/serenity-utils [INFO] finished tweaking git repo https://github.com/Inspirateur/serenity-utils [INFO] tweaked toml for git repo https://github.com/Inspirateur/serenity-utils written to /workspace/builds/worker-4-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 170 packages [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.4) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding hyper-rustls v0.24.2 (latest: v0.27.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding reqwest v0.11.27 (latest: v0.12.3) [INFO] [stderr] Adding rustls v0.21.10 (latest: v0.23.4) [INFO] [stderr] Adding rustls v0.22.3 (latest: v0.23.4) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.2) [INFO] [stderr] Adding sync_wrapper v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding system-configuration v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding tokio-rustls v0.24.1 (latest: v0.26.0) [INFO] [stderr] Adding tokio-rustls v0.25.0 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webpki-roots v0.25.4 (latest: v0.26.1) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding winreg v0.50.0 (latest: v0.52.0) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.13 [INFO] [stderr] Downloaded serenity v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 38861b5efe3abd8aa2f90257d9461ca573351d4dbc4eca5e3718c9b701d9d9da [INFO] running `Command { std: "docker" "start" "-a" "38861b5efe3abd8aa2f90257d9461ca573351d4dbc4eca5e3718c9b701d9d9da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38861b5efe3abd8aa2f90257d9461ca573351d4dbc4eca5e3718c9b701d9d9da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38861b5efe3abd8aa2f90257d9461ca573351d4dbc4eca5e3718c9b701d9d9da", kill_on_drop: false }` [INFO] [stdout] 38861b5efe3abd8aa2f90257d9461ca573351d4dbc4eca5e3718c9b701d9d9da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58cb9da8900577f26773870353a1133d0fbe666738342289fd4357d7afb9311b [INFO] running `Command { std: "docker" "start" "-a" "58cb9da8900577f26773870353a1133d0fbe666738342289fd4357d7afb9311b", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking getrandom v0.2.13 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking rustls-pki-types v1.4.1 [INFO] [stderr] Compiling rustls v0.22.3 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking webpki-roots v0.26.1 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking webpki-roots v0.25.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling serenity v0.12.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking typemap_rev v0.3.0 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.102.2 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking secrecy v0.8.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking tokio-rustls v0.25.0 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyper-rustls v0.24.2 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking serenity-utils v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/bot_util.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | async fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> Result; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 8 - async fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> Result; [INFO] [stdout] 8 + fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/bot_util.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | async fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> Result; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 8 - async fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> Result; [INFO] [stdout] 8 + fn send(&self, channel_id: ChannelId, message: MessageBuilder) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/command_util.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | async fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> Result; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 14 - async fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> Result; [INFO] [stdout] 14 + fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/command_util.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | async fn followup(&self, http: &Http, message: MessageBuilder) -> Result<()>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 16 - async fn followup(&self, http: &Http, message: MessageBuilder) -> Result<()>; [INFO] [stdout] 16 + fn followup(&self, http: &Http, message: MessageBuilder) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/command_util.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | async fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> Result; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 14 - async fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> Result; [INFO] [stdout] 14 + fn response(&self, http: &Http, message: MessageBuilder, kind: InteractionResponseFlags) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/command_util.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | async fn followup(&self, http: &Http, message: MessageBuilder) -> Result<()>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 16 - async fn followup(&self, http: &Http, message: MessageBuilder) -> Result<()>; [INFO] [stdout] 16 + fn followup(&self, http: &Http, message: MessageBuilder) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "58cb9da8900577f26773870353a1133d0fbe666738342289fd4357d7afb9311b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58cb9da8900577f26773870353a1133d0fbe666738342289fd4357d7afb9311b", kill_on_drop: false }` [INFO] [stdout] 58cb9da8900577f26773870353a1133d0fbe666738342289fd4357d7afb9311b