[INFO] fetching crate tacho 0.4.2... [INFO] testing tacho-0.4.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate tacho 0.4.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate tacho 0.4.2 [INFO] finished tweaking crates.io crate tacho 0.4.2 [INFO] tweaked toml for crates.io crate tacho 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tacho 0.4.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 86 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] [stderr] Adding hdrsample v3.0.0 (available: v6.0.4) [INFO] [stderr] Adding log v0.3.9 (available: v0.4.28) [INFO] [stderr] Adding ordermap v0.2.13 (available: v1.0.0) [INFO] [stderr] Adding pretty_env_logger v0.1.1 (available: v0.5.0) [INFO] [stderr] Adding tokio-timer v0.1.2 (available: v0.2.13) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 702d4b7b23e042c497c34130ae7c7da9edb4e2d5461d1c744500a6c3deb86317 [INFO] running `Command { std: "docker" "start" "-a" "702d4b7b23e042c497c34130ae7c7da9edb4e2d5461d1c744500a6c3deb86317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "702d4b7b23e042c497c34130ae7c7da9edb4e2d5461d1c744500a6c3deb86317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "702d4b7b23e042c497c34130ae7c7da9edb4e2d5461d1c744500a6c3deb86317", kill_on_drop: false }` [INFO] [stdout] 702d4b7b23e042c497c34130ae7c7da9edb4e2d5461d1c744500a6c3deb86317 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 976c8f23f3b0d52fef28ac053b9762cd82c6f4c24a94fdf4b5adadec2833405d [INFO] running `Command { std: "docker" "start" "-a" "976c8f23f3b0d52fef28ac053b9762cd82c6f4c24a94fdf4b5adadec2833405d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling num-bigint v0.1.45 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling num-complex v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.43 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling ordermap v0.2.13 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num v0.1.43 [INFO] [stderr] Compiling hdrsample v3.0.0 [INFO] [stderr] Compiling tacho v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:386:33 [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/timing.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | impl dyn Timing { [INFO] [stdout] | +++ [INFO] [stdout] help: you might have intended to implement this trait for a given type [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing for /* Type */ { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:369:22 [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = Timing::start(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = ::start(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bounds` is never read [INFO] [stdout] --> src/lib.rs:324:5 [INFO] [stdout] | [INFO] [stdout] 322 | pub struct Stat { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 323 | histo: Weak>, [INFO] [stdout] 324 | bounds: Option<(u64, u64)>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.97s [INFO] running `Command { std: "docker" "inspect" "976c8f23f3b0d52fef28ac053b9762cd82c6f4c24a94fdf4b5adadec2833405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "976c8f23f3b0d52fef28ac053b9762cd82c6f4c24a94fdf4b5adadec2833405d", kill_on_drop: false }` [INFO] [stdout] 976c8f23f3b0d52fef28ac053b9762cd82c6f4c24a94fdf4b5adadec2833405d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c19c2d622b2c1de3122a06a3d8691571956d9e2f7dd436ebc77b966a2b5e8a8 [INFO] running `Command { std: "docker" "start" "-a" "3c19c2d622b2c1de3122a06a3d8691571956d9e2f7dd436ebc77b966a2b5e8a8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.10 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling utf8-ranges v1.0.5 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:386:33 [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/timing.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | impl dyn Timing { [INFO] [stdout] | +++ [INFO] [stdout] help: you might have intended to implement this trait for a given type [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing for /* Type */ { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:369:22 [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = Timing::start(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = ::start(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bounds` is never read [INFO] [stdout] --> src/lib.rs:324:5 [INFO] [stdout] | [INFO] [stdout] 322 | pub struct Stat { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 323 | histo: Weak>, [INFO] [stdout] 324 | bounds: Option<(u64, u64)>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-timer v0.1.2 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling pretty_env_logger v0.1.1 [INFO] [stderr] Compiling tacho v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228 [INFO] [stdout] --> examples/simple.rs:33:46 [INFO] [stdout] | [INFO] [stdout] 33 | fn do_work(metrics: tacho::Scope) -> future::BoxFuture<(), ()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/simple.rs:41:21 [INFO] [stdout] | [INFO] [stdout] 41 | let start = Timing::start(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 41 | let start = ::start(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228 [INFO] [stdout] --> examples/simple.rs:52:22 [INFO] [stdout] | [INFO] [stdout] 52 | work.map(|_| {}).boxed() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | #![cfg_attr(test, feature(test))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:386:33 [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 386 | pub struct Timed(Box>); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228 [INFO] [stdout] --> examples/multithread.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use futures::{BoxFuture, Future, Stream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228 [INFO] [stdout] --> examples/multithread.rs:65:75 [INFO] [stdout] | [INFO] [stdout] 65 | fn reporter(interval: Duration, done: D, reporter: tacho::Reporter) -> BoxFuture<(), ()> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/timing.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | impl dyn Timing { [INFO] [stdout] | +++ [INFO] [stdout] help: you might have intended to implement this trait for a given type [INFO] [stdout] | [INFO] [stdout] 8 | impl Timing for /* Type */ { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/multithread.rs:44:26 [INFO] [stdout] | [INFO] [stdout] 44 | let t0 = Timing::start(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | let t0 = ::start(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228 [INFO] [stdout] --> examples/multithread.rs:80:55 [INFO] [stdout] | [INFO] [stdout] 80 | periodic.select(done).map(|_| {}).map_err(|_| {}).boxed() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:369:22 [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = Timing::start(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 369 | let t0 = ::start(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tacho` (lib test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3c19c2d622b2c1de3122a06a3d8691571956d9e2f7dd436ebc77b966a2b5e8a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c19c2d622b2c1de3122a06a3d8691571956d9e2f7dd436ebc77b966a2b5e8a8", kill_on_drop: false }` [INFO] [stdout] 3c19c2d622b2c1de3122a06a3d8691571956d9e2f7dd436ebc77b966a2b5e8a8