[INFO] fetching crate async-metronome 0.2.0...
[INFO] checking async-metronome-0.2.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate async-metronome 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-metronome 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-metronome 0.2.0
[INFO] finished tweaking crates.io crate async-metronome 0.2.0
[INFO] tweaked toml for crates.io crate async-metronome 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded spinning_top v0.2.5
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[INFO] [stderr]   Downloaded flume v0.9.2
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] [stderr]   Downloaded async-metronome-attributes v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2c7778b424b30004f17ed525ce0445150df671537d6ef69f1f5ad9cd22cf041
[INFO] running `Command { std: "docker" "start" "-a" "f2c7778b424b30004f17ed525ce0445150df671537d6ef69f1f5ad9cd22cf041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2c7778b424b30004f17ed525ce0445150df671537d6ef69f1f5ad9cd22cf041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c7778b424b30004f17ed525ce0445150df671537d6ef69f1f5ad9cd22cf041", kill_on_drop: false }`
[INFO] [stdout] f2c7778b424b30004f17ed525ce0445150df671537d6ef69f1f5ad9cd22cf041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792b81ac8af824653a528d7b478775408eca43fb663ed2768ba9002d587f7bf7
[INFO] running `Command { std: "docker" "start" "-a" "792b81ac8af824653a528d7b478775408eca43fb663ed2768ba9002d587f7bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling strsim v0.9.3
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[INFO] [stderr]    Compiling io-lifetimes v1.0.11
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[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling polling v2.8.0
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[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking fastrand v1.9.0
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[INFO] [stderr]     Checking async-lock v2.8.0
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[INFO] [stderr]     Checking event-listener v4.0.3
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[INFO] [stderr]    Compiling async-metronome-attributes v0.1.1
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking polling v3.4.0
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[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-metronome v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 86 |     #[builder(setter(into, strip_option), default)]
[INFO] [stdout] 87 |     timeout: Option<Duration>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:327:20
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!(HASCONTEXT);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!("{}", HASCONTEXT);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:392:24
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!(DEADLOCK);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!("{}", DEADLOCK);
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 86 |     #[builder(setter(into, strip_option), default)]
[INFO] [stdout] 87 |     timeout: Option<Duration>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:327:20
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!(HASCONTEXT);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!("{}", HASCONTEXT);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:392:24
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!(DEADLOCK);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!("{}", DEADLOCK);
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         ai1.compare_and_swap(0, 1, ordering);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |         assert_eq!(ai2.compare_and_swap(1, 2, ordering), 1);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert_eq!(ai3.compare_and_swap(2, 3, ordering), 2);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "792b81ac8af824653a528d7b478775408eca43fb663ed2768ba9002d587f7bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792b81ac8af824653a528d7b478775408eca43fb663ed2768ba9002d587f7bf7", kill_on_drop: false }`
[INFO] [stdout] 792b81ac8af824653a528d7b478775408eca43fb663ed2768ba9002d587f7bf7
[INFO] checking async-metronome-0.2.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate async-metronome 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate async-metronome 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-metronome 0.2.0
[INFO] finished tweaking crates.io crate async-metronome 0.2.0
[INFO] tweaked toml for crates.io crate async-metronome 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7954d6ab07670b17e63b478167f80175b305c729b2ab37e745d58c5aa7d649e9
[INFO] running `Command { std: "docker" "start" "-a" "7954d6ab07670b17e63b478167f80175b305c729b2ab37e745d58c5aa7d649e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7954d6ab07670b17e63b478167f80175b305c729b2ab37e745d58c5aa7d649e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7954d6ab07670b17e63b478167f80175b305c729b2ab37e745d58c5aa7d649e9", kill_on_drop: false }`
[INFO] [stdout] 7954d6ab07670b17e63b478167f80175b305c729b2ab37e745d58c5aa7d649e9
[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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] ea6d5f969fd9b5263d31f184922844d9aae7ba35a2335734d0d63f50a5fb756b
[INFO] running `Command { std: "docker" "start" "-a" "ea6d5f969fd9b5263d31f184922844d9aae7ba35a2335734d0d63f50a5fb756b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking value-bag v1.7.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-lock v2.8.0
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[INFO] [stderr]     Checking event-listener v4.0.3
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[INFO] [stderr]    Compiling async-metronome-attributes v0.1.1
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[INFO] [stderr]     Checking async-lock v3.3.0
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[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking polling v3.4.0
[INFO] [stderr]     Checking async-io v2.3.1
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-metronome v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 86 |     #[builder(setter(into, strip_option), default)]
[INFO] [stdout] 87 |     timeout: Option<Duration>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:327:20
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!(HASCONTEXT);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!("{}", HASCONTEXT);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:392:24
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!(DEADLOCK);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!("{}", DEADLOCK);
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 86 |     #[builder(setter(into, strip_option), default)]
[INFO] [stdout] 87 |     timeout: Option<Duration>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:327:20
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!(HASCONTEXT);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 327 |             panic!("{}", HASCONTEXT);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:392:24
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!(DEADLOCK);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 panic!("{}", DEADLOCK);
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         ai1.compare_and_swap(0, 1, ordering);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |         assert_eq!(ai2.compare_and_swap(1, 2, ordering), 1);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/ordering.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert_eq!(ai3.compare_and_swap(2, 3, ordering), 2);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "ea6d5f969fd9b5263d31f184922844d9aae7ba35a2335734d0d63f50a5fb756b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6d5f969fd9b5263d31f184922844d9aae7ba35a2335734d0d63f50a5fb756b", kill_on_drop: false }`
[INFO] [stdout] ea6d5f969fd9b5263d31f184922844d9aae7ba35a2335734d0d63f50a5fb756b
