[INFO] fetching crate ripb 0.3.1... [INFO] checking ripb-0.3.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate ripb 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ripb 0.3.1 [INFO] finished tweaking crates.io crate ripb 0.3.1 [INFO] tweaked toml for crates.io crate ripb 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ripb 0.3.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding crossbeam-channel v0.3.9 (available: v0.5.15) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e1ae5ba56687af05b2648a114439adc28c0ca2ba5b6f5bbaf9c9b27f83ebce1 [INFO] running `Command { std: "docker" "start" "-a" "9e1ae5ba56687af05b2648a114439adc28c0ca2ba5b6f5bbaf9c9b27f83ebce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e1ae5ba56687af05b2648a114439adc28c0ca2ba5b6f5bbaf9c9b27f83ebce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e1ae5ba56687af05b2648a114439adc28c0ca2ba5b6f5bbaf9c9b27f83ebce1", kill_on_drop: false }` [INFO] [stdout] 9e1ae5ba56687af05b2648a114439adc28c0ca2ba5b6f5bbaf9c9b27f83ebce1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6a9c01d628631b70e4485f37b23c9015af907979b1978eb48ccf58c5ff34ba5 [INFO] running `Command { std: "docker" "start" "-a" "e6a9c01d628631b70e4485f37b23c9015af907979b1978eb48ccf58c5ff34ba5", kill_on_drop: false }` [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking ripb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:807:9 [INFO] [stdout] | [INFO] [stdout] 807 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 808 | callback: F, [INFO] [stdout] 809 | ) -> Result [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 809 | ) -> Result, DeadBusError> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `send_1000_messages_to_1000_subscribers` is never used [INFO] [stdout] --> benches/bench.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn send_1000_messages_to_1000_subscribers(bench: &mut Bencher) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:807:9 [INFO] [stdout] | [INFO] [stdout] 807 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 808 | callback: F, [INFO] [stdout] 809 | ) -> Result [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 809 | ) -> Result, DeadBusError> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "e6a9c01d628631b70e4485f37b23c9015af907979b1978eb48ccf58c5ff34ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6a9c01d628631b70e4485f37b23c9015af907979b1978eb48ccf58c5ff34ba5", kill_on_drop: false }` [INFO] [stdout] e6a9c01d628631b70e4485f37b23c9015af907979b1978eb48ccf58c5ff34ba5