[INFO] fetching crate scoped-pool 1.0.0... [INFO] testing scoped-pool-1.0.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate scoped-pool 1.0.0 into /workspace/builds/worker-47/source [INFO] validating manifest of crates.io crate scoped-pool 1.0.0 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 scoped-pool 1.0.0 [INFO] finished tweaking crates.io crate scoped-pool 1.0.0 [INFO] tweaked toml for crates.io crate scoped-pool 1.0.0 written to /workspace/builds/worker-47/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] [stderr] Blocking waiting for file lock on package cache [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scopeguard v0.1.2 [INFO] [stderr] Downloaded variance v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36341aecb69ccd4c5417e4c75768b029265cb5e93f893294a559955dc7557408 [INFO] running `Command { std: "docker" "start" "-a" "36341aecb69ccd4c5417e4c75768b029265cb5e93f893294a559955dc7557408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36341aecb69ccd4c5417e4c75768b029265cb5e93f893294a559955dc7557408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36341aecb69ccd4c5417e4c75768b029265cb5e93f893294a559955dc7557408", kill_on_drop: false }` [INFO] [stdout] 36341aecb69ccd4c5417e4c75768b029265cb5e93f893294a559955dc7557408 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5cb3c0a154f98d97809d936201fae6538c99d5ba60a089cba7c6c21edf1a032e [INFO] running `Command { std: "docker" "start" "-a" "5cb3c0a154f98d97809d936201fae6538c99d5ba60a089cba7c6c21edf1a032e", kill_on_drop: false }` [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling scopeguard v0.1.2 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling scoped-pool v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:366:14 [INFO] [stdout] | [INFO] [stdout] 366 | Task(Box, Arc) [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] 366 - Task(Box, Arc) [INFO] [stdout] 366 + Task(Box, Arc) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:299:34 [INFO] [stdout] | [INFO] [stdout] 299 | mem::transmute::, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 299 - mem::transmute::, [INFO] [stdout] 299 + mem::transmute::, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:300:34 [INFO] [stdout] | [INFO] [stdout] 300 | ... Box>(Box::new(job)) [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 300 - Box>(Box::new(job)) [INFO] [stdout] 300 + Box>(Box::new(job)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present [INFO] [stdout] --> src/lib.rs:325:44 [INFO] [stdout] | [INFO] [stdout] 325 | let scope = unsafe { self.refine::<'smaller>() }; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 355 | unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other { [INFO] [stdout] | - the late bound lifetime parameter is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(late_bound_lifetime_arguments)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #42868 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "5cb3c0a154f98d97809d936201fae6538c99d5ba60a089cba7c6c21edf1a032e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cb3c0a154f98d97809d936201fae6538c99d5ba60a089cba7c6c21edf1a032e", kill_on_drop: false }` [INFO] [stdout] 5cb3c0a154f98d97809d936201fae6538c99d5ba60a089cba7c6c21edf1a032e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8c4e4fc87058e48deed2ccf8f7769ac33b1e3b467fa6a6b9ac210ff9824ca90 [INFO] running `Command { std: "docker" "start" "-a" "a8c4e4fc87058e48deed2ccf8f7769ac33b1e3b467fa6a6b9ac210ff9824ca90", kill_on_drop: false }` [INFO] [stderr] Compiling itertools v0.4.19 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:366:14 [INFO] [stdout] | [INFO] [stdout] 366 | Task(Box, Arc) [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] 366 - Task(Box, Arc) [INFO] [stdout] 366 + Task(Box, Arc) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:299:34 [INFO] [stdout] | [INFO] [stdout] 299 | mem::transmute::, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 299 - mem::transmute::, [INFO] [stdout] 299 + mem::transmute::, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:300:34 [INFO] [stdout] | [INFO] [stdout] 300 | ... Box>(Box::new(job)) [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 300 - Box>(Box::new(job)) [INFO] [stdout] 300 + Box>(Box::new(job)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present [INFO] [stdout] --> src/lib.rs:325:44 [INFO] [stdout] | [INFO] [stdout] 325 | let scope = unsafe { self.refine::<'smaller>() }; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 355 | unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other { [INFO] [stdout] | - the late bound lifetime parameter is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(late_bound_lifetime_arguments)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #42868 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling scoped-pool v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:366:14 [INFO] [stdout] | [INFO] [stdout] 366 | Task(Box, Arc) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [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] 366 - Task(Box, Arc) [INFO] [stdout] 366 + Task(Box, Arc) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:299:34 [INFO] [stdout] | [INFO] [stdout] 299 | mem::transmute::, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 299 - mem::transmute::, [INFO] [stdout] 299 + mem::transmute::, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:300:34 [INFO] [stdout] | [INFO] [stdout] 300 | ... Box>(Box::new(job)) [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 300 - Box>(Box::new(job)) [INFO] [stdout] 300 + Box>(Box::new(job)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present [INFO] [stdout] --> src/lib.rs:325:44 [INFO] [stdout] | [INFO] [stdout] 325 | let scope = unsafe { self.refine::<'smaller>() }; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 355 | unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other { [INFO] [stdout] | - the late bound lifetime parameter is introduced here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(late_bound_lifetime_arguments)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #42868 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "a8c4e4fc87058e48deed2ccf8f7769ac33b1e3b467fa6a6b9ac210ff9824ca90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8c4e4fc87058e48deed2ccf8f7769ac33b1e3b467fa6a6b9ac210ff9824ca90", kill_on_drop: false }` [INFO] [stdout] a8c4e4fc87058e48deed2ccf8f7769ac33b1e3b467fa6a6b9ac210ff9824ca90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7da527f6c0332c731091c8d3ffb9485850b2353ee3d79ea7bd920b32d11acf5e [INFO] running `Command { std: "docker" "start" "-a" "7da527f6c0332c731091c8d3ffb9485850b2353ee3d79ea7bd920b32d11acf5e", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:366:14 [INFO] [stderr] | [INFO] [stderr] 366 | Task(Box, Arc) [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] 366 - Task(Box, Arc) [INFO] [stderr] 366 + Task(Box, Arc) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:299:34 [INFO] [stderr] | [INFO] [stderr] 299 | mem::transmute::, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] 299 - mem::transmute::, [INFO] [stderr] 299 + mem::transmute::, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:300:34 [INFO] [stderr] | [INFO] [stderr] 300 | ... Box>(Box::new(job)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] 300 - Box>(Box::new(job)) [INFO] [stderr] 300 + Box>(Box::new(job)) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present [INFO] [stderr] --> src/lib.rs:325:44 [INFO] [stderr] | [INFO] [stderr] 325 | let scope = unsafe { self.refine::<'smaller>() }; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 355 | unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other { [INFO] [stderr] | - the late bound lifetime parameter is introduced here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(late_bound_lifetime_arguments)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #42868 [INFO] [stderr] [INFO] [stderr] warning: `scoped-pool` (lib) generated 4 warnings [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:366:14 [INFO] [stderr] | [INFO] [stderr] 366 | Task(Box, Arc) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [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] 366 - Task(Box, Arc) [INFO] [stderr] 366 + Task(Box, Arc) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present [INFO] [stderr] --> src/lib.rs:325:44 [INFO] [stderr] | [INFO] [stderr] 325 | let scope = unsafe { self.refine::<'smaller>() }; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 355 | unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other { [INFO] [stderr] | - the late bound lifetime parameter is introduced here [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(late_bound_lifetime_arguments)]` implied by `#[warn(warnings)]` [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #42868 [INFO] [stderr] [INFO] [stderr] warning: `scoped-pool` (lib test) generated 4 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/scoped_pool-609c5675feda6ac1) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test test::test_no_thread_config ... ok [INFO] [stdout] test test::test_pool_panic - should panic ... ok [INFO] [stdout] test test::test_scheduler_panic - should panic ... ok [INFO] [stdout] test test::test_recurse ... ok [INFO] [stdout] test test::test_recurse_execute_panic - should panic ... ok [INFO] [stdout] test test::test_spawn_doesnt_hang ... ok [INFO] [stdout] test test::test_simple_use ... ok [INFO] [stdout] test test::test_with_thread_config ... ok [INFO] [stdout] test test::test_forever_zoom ... ok [INFO] [stdout] test test::test_recurse_scheduler_panic - should panic ... ok [INFO] [stdout] test test::test_zoomed_scoped_execute_panic - should panic ... ok [INFO] [stdout] test test::test_zoom ... ok [INFO] [stdout] test test::test_shutdown ... ok [INFO] [stdout] test test::test_scoped_execute_panic - should panic ... ok [INFO] [stdout] test test::test_scoped_panic_waits_for_all_tasks - should panic ... ok [INFO] [stdout] test test::test_scheduler_panic_waits_for_tasks - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] [stderr] Doc-tests scoped-pool [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" "7da527f6c0332c731091c8d3ffb9485850b2353ee3d79ea7bd920b32d11acf5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7da527f6c0332c731091c8d3ffb9485850b2353ee3d79ea7bd920b32d11acf5e", kill_on_drop: false }` [INFO] [stdout] 7da527f6c0332c731091c8d3ffb9485850b2353ee3d79ea7bd920b32d11acf5e