[INFO] fetching crate nsq 0.0.3... [INFO] testing nsq-0.0.3 against 1.60.0 for beta-1.61-1 [INFO] extracting crate nsq 0.0.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate nsq 0.0.3 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nsq 0.0.3 [INFO] finished tweaking crates.io crate nsq 0.0.3 [INFO] tweaked toml for crates.io crate nsq 0.0.3 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 derive_builder v0.4.7 [INFO] [stderr] Downloaded derive_builder_core v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a719ef8f1a75ea262d59ea743dfdc2f7a4f4a6b3fa63fa1bee5eaa2337b50378 [INFO] running `Command { std: "docker" "start" "-a" "a719ef8f1a75ea262d59ea743dfdc2f7a4f4a6b3fa63fa1bee5eaa2337b50378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a719ef8f1a75ea262d59ea743dfdc2f7a4f4a6b3fa63fa1bee5eaa2337b50378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a719ef8f1a75ea262d59ea743dfdc2f7a4f4a6b3fa63fa1bee5eaa2337b50378", kill_on_drop: false }` [INFO] [stdout] a719ef8f1a75ea262d59ea743dfdc2f7a4f4a6b3fa63fa1bee5eaa2337b50378 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] db98fd7aa55b99d7e3d54d5d20906b80e1197f1cc85cd6502834044937078421 [INFO] running `Command { std: "docker" "start" "-a" "db98fd7aa55b99d7e3d54d5d20906b80e1197f1cc85cd6502834044937078421", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling derive_builder v0.4.7 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling derive_builder_core v0.1.7 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling nsq v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:36 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | let framed_writer = FramedWrite::new(framed_sock, NsqResponder::default()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:94:45 [INFO] [stdout] | [INFO] [stdout] 94 | let framed_read = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/consumer.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | handler: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 - handler: Option>, [INFO] [stdout] 25 + handler: Option>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/consumer.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | conn.event_loop.run(prelude.join(reader)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.00s [INFO] running `Command { std: "docker" "inspect" "db98fd7aa55b99d7e3d54d5d20906b80e1197f1cc85cd6502834044937078421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db98fd7aa55b99d7e3d54d5d20906b80e1197f1cc85cd6502834044937078421", kill_on_drop: false }` [INFO] [stdout] db98fd7aa55b99d7e3d54d5d20906b80e1197f1cc85cd6502834044937078421 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8fb2684e73635b6a840410a3d1deb85e4fcff1eaffbfef821c45e756e2f2582c [INFO] running `Command { std: "docker" "start" "-a" "8fb2684e73635b6a840410a3d1deb85e4fcff1eaffbfef821c45e756e2f2582c", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:36 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | let framed_writer = FramedWrite::new(framed_sock, NsqResponder::default()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:94:45 [INFO] [stdout] | [INFO] [stdout] 94 | let framed_read = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/consumer.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | handler: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 - handler: Option>, [INFO] [stdout] 25 + handler: Option>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/consumer.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | conn.event_loop.run(prelude.join(reader)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nsq v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:11:36 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | let framed_writer = FramedWrite::new(framed_sock, NsqResponder::default()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/consumer.rs:94:45 [INFO] [stdout] | [INFO] [stdout] 94 | let framed_read = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/consumer.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | handler: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 - handler: Option>, [INFO] [stdout] 25 + handler: Option>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/consumer.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | conn.event_loop.run(prelude.join(reader)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.02s [INFO] running `Command { std: "docker" "inspect" "8fb2684e73635b6a840410a3d1deb85e4fcff1eaffbfef821c45e756e2f2582c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb2684e73635b6a840410a3d1deb85e4fcff1eaffbfef821c45e756e2f2582c", kill_on_drop: false }` [INFO] [stdout] 8fb2684e73635b6a840410a3d1deb85e4fcff1eaffbfef821c45e756e2f2582c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7333327d3603673a0bc1316f1499eeddc1a33ae9be30c28bdc5d00590c2e6f82 [INFO] running `Command { std: "docker" "start" "-a" "7333327d3603673a0bc1316f1499eeddc1a33ae9be30c28bdc5d00590c2e6f82", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/consumer.rs:11:23 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stderr] --> src/consumer.rs:11:36 [INFO] [stderr] | [INFO] [stderr] 11 | use tokio_io::codec::{FramedWrite, length_delimited}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::FramedWrite`: Moved to tokio-codec [INFO] [stderr] --> src/consumer.rs:93:29 [INFO] [stderr] | [INFO] [stderr] 93 | let framed_writer = FramedWrite::new(framed_sock, NsqResponder::default()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stderr] --> src/consumer.rs:94:45 [INFO] [stderr] | [INFO] [stderr] 94 | let framed_read = length_delimited::Builder::new() [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/consumer.rs:25:25 [INFO] [stderr] | [INFO] [stderr] 25 | handler: Option>, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 25 - handler: Option>, [INFO] [stderr] 25 + handler: Option>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stderr] --> src/consumer.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | conn.event_loop.run(prelude.join(reader)).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: streams do nothing unless polled [INFO] [stderr] [INFO] [stderr] warning: `nsq` (lib) generated 6 warnings [INFO] [stderr] warning: `nsq` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nsq-48e9abc7c7cb857e) [INFO] [stderr] Doc-tests nsq [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7333327d3603673a0bc1316f1499eeddc1a33ae9be30c28bdc5d00590c2e6f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7333327d3603673a0bc1316f1499eeddc1a33ae9be30c28bdc5d00590c2e6f82", kill_on_drop: false }` [INFO] [stdout] 7333327d3603673a0bc1316f1499eeddc1a33ae9be30c28bdc5d00590c2e6f82