[INFO] fetching crate messagebus 0.15.0... [INFO] checking messagebus-0.15.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate messagebus 0.15.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate messagebus 0.15.0 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 messagebus 0.15.0 [INFO] finished tweaking crates.io crate messagebus 0.15.0 [INFO] tweaked toml for crates.io crate messagebus 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate messagebus 0.15.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dashmap v5.5.0 [INFO] [stderr] Downloaded priority-queue v1.3.2 [INFO] [stderr] Downloaded kanal v0.1.0-pre8 [INFO] [stderr] Downloaded boxcar v0.2.3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a79d5fcbf0b65f6e58b804ae3c9b3293acc2d334310ebcc521dad61c96c23b1 [INFO] running `Command { std: "docker" "start" "-a" "9a79d5fcbf0b65f6e58b804ae3c9b3293acc2d334310ebcc521dad61c96c23b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a79d5fcbf0b65f6e58b804ae3c9b3293acc2d334310ebcc521dad61c96c23b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a79d5fcbf0b65f6e58b804ae3c9b3293acc2d334310ebcc521dad61c96c23b1", kill_on_drop: false }` [INFO] [stdout] 9a79d5fcbf0b65f6e58b804ae3c9b3293acc2d334310ebcc521dad61c96c23b1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24b3864a1d82a2cc2e5e2ef8e3500399611780274c825eff058e37a1a171a214 [INFO] running `Command { std: "docker" "start" "-a" "24b3864a1d82a2cc2e5e2ef8e3500399611780274c825eff058e37a1a171a214", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling priority-queue v1.3.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking kanal v0.1.0-pre8 [INFO] [stderr] Checking boxcar v0.2.3 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.5.3 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dashmap v5.5.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking messagebus v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(async_fn_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(async_fn_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `message_type_id` is never used [INFO] [stdout] --> src/chan.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) trait AbstractSender: Any + Send + Sync { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 18 | fn message_type_id(&self) -> TypeId; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_producer` and `terminate` are never used [INFO] [stdout] --> src/chan.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub(crate) trait BusSenderClose: Any + Send + Sync { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 36 | fn upcast(&self) -> &(dyn Any + Send + Sync); [INFO] [stdout] 37 | fn is_producer(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn terminate(&self) -> Result<(), Error>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_producer` is never read [INFO] [stdout] --> src/chan.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) struct BusSender { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 44 | is_producer: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `close` is never used [INFO] [stdout] --> src/chan.rs:104:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl Sender { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn close(&self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/demo.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `message_type_id` is never used [INFO] [stdout] --> src/chan.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) trait AbstractSender: Any + Send + Sync { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 18 | fn message_type_id(&self) -> TypeId; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_producer` and `terminate` are never used [INFO] [stdout] --> src/chan.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub(crate) trait BusSenderClose: Any + Send + Sync { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 36 | fn upcast(&self) -> &(dyn Any + Send + Sync); [INFO] [stdout] 37 | fn is_producer(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn terminate(&self) -> Result<(), Error>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_producer` is never read [INFO] [stdout] --> src/chan.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) struct BusSender { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 44 | is_producer: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `close` is never used [INFO] [stdout] --> src/chan.rs:104:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl Sender { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn close(&self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/demo.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(async_fn_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s [INFO] running `Command { std: "docker" "inspect" "24b3864a1d82a2cc2e5e2ef8e3500399611780274c825eff058e37a1a171a214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24b3864a1d82a2cc2e5e2ef8e3500399611780274c825eff058e37a1a171a214", kill_on_drop: false }` [INFO] [stdout] 24b3864a1d82a2cc2e5e2ef8e3500399611780274c825eff058e37a1a171a214