[INFO] fetching crate poolite 0.7.1...
[INFO] building poolite-0.7.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate poolite 0.7.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate poolite 0.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate poolite 0.7.1
[INFO] tweaked toml for crates.io crate poolite 0.7.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poolite 0.7.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.1.3 (available: v0.5.15)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.29)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 419ba5efd61802e2ff58ef502262b7859e75dd8371075d899f35d3c77e4f008c
[INFO] running `Command { std: "docker" "start" "-a" "419ba5efd61802e2ff58ef502262b7859e75dd8371075d899f35d3c77e4f008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "419ba5efd61802e2ff58ef502262b7859e75dd8371075d899f35d3c77e4f008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419ba5efd61802e2ff58ef502262b7859e75dd8371075d899f35d3c77e4f008c", kill_on_drop: false }`
[INFO] [stdout] 419ba5efd61802e2ff58ef502262b7859e75dd8371075d899f35d3c77e4f008c
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[INFO] [stdout] 2eedda592fbf6928307dc97728b2818ec1739194d02c538196e32a70390c6bc8
[INFO] running `Command { std: "docker" "start" "-a" "2eedda592fbf6928307dc97728b2818ec1739194d02c538196e32a70390c6bc8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling rand v0.4.6
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[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling mxo_env_logger v0.1.0
[INFO] [stderr]    Compiling poolite v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 | use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/inner.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 6 - static INIT: Once = ONCE_INIT;
[INFO] [stdout] 6 + static INIT: Once = Once::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/inner.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Task = Box<Runable + Send + 'static>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] 9 | pub type Task = Box<dyn Runable + Send + 'static>;
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:35
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<Runable + Send + 'static>,
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<dyn Runable + Send + 'static>,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:313:59
[INFO] [stdout]     |
[INFO] [stdout] 313 |             .log_err(|e| error!("Send Task failed: {}", e.description()))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:401:51
[INFO] [stdout]     |
[INFO] [stdout] 401 |             error!("add thread failed: '{}' !", e.description())
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:45
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<dyn Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:75
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<dyn Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |         self.error.description()
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 |             self.error.description()
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "2eedda592fbf6928307dc97728b2818ec1739194d02c538196e32a70390c6bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eedda592fbf6928307dc97728b2818ec1739194d02c538196e32a70390c6bc8", kill_on_drop: false }`
[INFO] [stdout] 2eedda592fbf6928307dc97728b2818ec1739194d02c538196e32a70390c6bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a99f1361eee4a9bd476efe899254b76049f14048563b727f7ca726b015a6d5d
[INFO] running `Command { std: "docker" "start" "-a" "0a99f1361eee4a9bd476efe899254b76049f14048563b727f7ca726b015a6d5d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling poolite v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 | use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/inner.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 6 - static INIT: Once = ONCE_INIT;
[INFO] [stdout] 6 + static INIT: Once = Once::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/inner.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Task = Box<Runable + Send + 'static>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] 9 | pub type Task = Box<dyn Runable + Send + 'static>;
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:35
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<Runable + Send + 'static>,
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<dyn Runable + Send + 'static>,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:313:59
[INFO] [stdout]     |
[INFO] [stdout] 313 |             .log_err(|e| error!("Send Task failed: {}", e.description()))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:401:51
[INFO] [stdout]     |
[INFO] [stdout] 401 |             error!("add thread failed: '{}' !", e.description())
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:45
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<dyn Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:75
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<dyn Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |         self.error.description()
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 |             self.error.description()
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/channel.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/without.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/scope.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/builder.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/into.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/arc_mutex.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |         0...2 => 1,
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> tests/poolite_test_fibs.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |             0...2 => 1,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:384:14
[INFO] [stdout]     |
[INFO] [stdout] 384 |             0...2 => 1,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 | use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/inner.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 6 - static INIT: Once = ONCE_INIT;
[INFO] [stdout] 6 + static INIT: Once = Once::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/inner.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Task = Box<Runable + Send + 'static>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] 9 | pub type Task = Box<dyn Runable + Send + 'static>;
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:35
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<Runable + Send + 'static>,
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(task) as Box<dyn Runable + Send + 'static>,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:313:59
[INFO] [stdout]     |
[INFO] [stdout] 313 |             .log_err(|e| error!("Send Task failed: {}", e.description()))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/inner.rs:401:51
[INFO] [stdout]     |
[INFO] [stdout] 401 |             error!("add thread failed: '{}' !", e.description())
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:45
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<dyn Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:31:75
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<Runable + Send + 'static>>(Box::new(task)) };
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let task = unsafe { transmute::<Box<Runable + Send + 'scope>, Box<dyn Runable + Send + 'static>>(Box::new(task)) };
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |         self.error.description()
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `mxo_env_logger::StdErr::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 |             self.error.description()
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "0a99f1361eee4a9bd476efe899254b76049f14048563b727f7ca726b015a6d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a99f1361eee4a9bd476efe899254b76049f14048563b727f7ca726b015a6d5d", kill_on_drop: false }`
[INFO] [stdout] 0a99f1361eee4a9bd476efe899254b76049f14048563b727f7ca726b015a6d5d
