[INFO] fetching crate bagpipe 0.1.0...
[INFO] testing bagpipe-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate bagpipe 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bagpipe 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bagpipe 0.1.0
[INFO] finished tweaking crates.io crate bagpipe 0.1.0
[INFO] tweaked toml for crates.io crate bagpipe 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 852f73a37261c08a35e1459569d91b0d37faabc1cd80ea446f6d6593f8869681
[INFO] running `Command { std: "docker" "start" "-a" "852f73a37261c08a35e1459569d91b0d37faabc1cd80ea446f6d6593f8869681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852f73a37261c08a35e1459569d91b0d37faabc1cd80ea446f6d6593f8869681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852f73a37261c08a35e1459569d91b0d37faabc1cd80ea446f6d6593f8869681", kill_on_drop: false }`
[INFO] [stdout] 852f73a37261c08a35e1459569d91b0d37faabc1cd80ea446f6d6593f8869681
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd4226287088a48239fdfe9ff894cc1995cb0e09f59f177f2e06d554a202ffa
[INFO] running `Command { std: "docker" "start" "-a" "4bd4226287088a48239fdfe9ff894cc1995cb0e09f59f177f2e06d554a202ffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling bagpipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:737:1
[INFO] [stdout]     |
[INFO] [stdout] 737 | /// A version of the `YangCrummeyQueue` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:739:1
[INFO] [stdout]     |
[INFO] [stdout] 739 | /// A version of the `FAAQueueLowLevel` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/queue.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |         fn from_usize(usize) -> Self;
[INFO] [stdout]    |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:14
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |              ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:18
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/bag.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn try_push_mut(&mut self, Self::Item) -> Result<(), Self::Item>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]    --> src/queue.rs:519:36
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 let res = item_ref.compare_and_swap(from, SENTINEL, Ordering::Relaxed);
[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]    --> src/queue.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |             let res = cell_ref.compare_and_swap(0, it, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/bench_bag.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 bag.try_pop_mut();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "4bd4226287088a48239fdfe9ff894cc1995cb0e09f59f177f2e06d554a202ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd4226287088a48239fdfe9ff894cc1995cb0e09f59f177f2e06d554a202ffa", kill_on_drop: false }`
[INFO] [stdout] 4bd4226287088a48239fdfe9ff894cc1995cb0e09f59f177f2e06d554a202ffa
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e16b8deb81928b8afdc6a81280a09a901cb11f02099252ac5414e8802a561e3
[INFO] running `Command { std: "docker" "start" "-a" "9e16b8deb81928b8afdc6a81280a09a901cb11f02099252ac5414e8802a561e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bagpipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:737:1
[INFO] [stdout]     |
[INFO] [stdout] 737 | /// A version of the `YangCrummeyQueue` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:739:1
[INFO] [stdout]     |
[INFO] [stdout] 739 | /// A version of the `FAAQueueLowLevel` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/queue.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |         fn from_usize(usize) -> Self;
[INFO] [stdout]    |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:14
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |              ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:18
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/bag.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn try_push_mut(&mut self, Self::Item) -> Result<(), Self::Item>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]    --> src/queue.rs:519:36
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 let res = item_ref.compare_and_swap(from, SENTINEL, Ordering::Relaxed);
[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]    --> src/queue.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |             let res = cell_ref.compare_and_swap(0, it, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:737:1
[INFO] [stdout]     |
[INFO] [stdout] 737 | /// A version of the `YangCrummeyQueue` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/queue.rs:739:1
[INFO] [stdout]     |
[INFO] [stdout] 739 | /// A version of the `FAAQueueLowLevel` supporting arbitrary types.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/queue.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |         fn from_usize(usize) -> Self;
[INFO] [stdout]    |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:14
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |              ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/queue.rs:481:18
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn store(&T, usize);
[INFO] [stdout]     |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/bag.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn try_push_mut(&mut self, Self::Item) -> Result<(), Self::Item>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]    --> src/queue.rs:519:36
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 let res = item_ref.compare_and_swap(from, SENTINEL, Ordering::Relaxed);
[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]    --> src/queue.rs:587:32
[INFO] [stdout]     |
[INFO] [stdout] 587 |             let res = cell_ref.compare_and_swap(0, it, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/bench_bag.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 bag.try_pop_mut();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/bench_bag.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 bag.try_pop_mut();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "9e16b8deb81928b8afdc6a81280a09a901cb11f02099252ac5414e8802a561e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e16b8deb81928b8afdc6a81280a09a901cb11f02099252ac5414e8802a561e3", kill_on_drop: false }`
[INFO] [stdout] 9e16b8deb81928b8afdc6a81280a09a901cb11f02099252ac5414e8802a561e3
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 027a76ac33e68385a537998573b828d53c3f43de5f9f3fd8cfeee762c5487653
[INFO] running `Command { std: "docker" "start" "-a" "027a76ac33e68385a537998573b828d53c3f43de5f9f3fd8cfeee762c5487653", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/queue.rs:737:1
[INFO] [stderr]     |
[INFO] [stderr] 737 | /// A version of the `YangCrummeyQueue` supporting arbitrary types.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/queue.rs:739:1
[INFO] [stderr]     |
[INFO] [stderr] 739 | /// A version of the `FAAQueueLowLevel` supporting arbitrary types.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/queue.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 |         fn from_usize(usize) -> Self;
[INFO] [stderr]    |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/queue.rs:481:14
[INFO] [stderr]     |
[INFO] [stderr] 481 |     fn store(&T, usize);
[INFO] [stderr]     |              ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/queue.rs:481:18
[INFO] [stderr]     |
[INFO] [stderr] 481 |     fn store(&T, usize);
[INFO] [stderr]     |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/bag.rs:91:32
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn try_push_mut(&mut self, Self::Item) -> Result<(), Self::Item>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/queue.rs:519:36
[INFO] [stderr]     |
[INFO] [stderr] 519 |                 let res = item_ref.compare_and_swap(from, SENTINEL, Ordering::Relaxed);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/queue.rs:587:32
[INFO] [stderr]     |
[INFO] [stderr] 587 |             let res = cell_ref.compare_and_swap(0, it, Ordering::Relaxed);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bagpipe` (lib) generated 8 warnings (run `cargo fix --lib -p bagpipe` to apply 4 suggestions)
[INFO] [stderr] warning: `bagpipe` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stdout] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stdout] running 24 tests
[INFO] [stderr]   --> src/bin/bench_bag.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 bag.try_pop_mut();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/bin/bench_bag.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 bag.try_pop_mut();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/bin/bench_bag.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 bag.try_pop_mut();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/bin/bench_bag.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 bag.try_pop_mut();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `bagpipe` (bin "bench_bag" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bagpipe-1f67fde12dbaf04e)
[INFO] [stdout] test queue::tests::single_threaded_small ... ok
[INFO] [stdout] test queue::tests::single_threaded_small_faaq ... ok
[INFO] [stdout] test queue::tests::many_threads_small_faaq ... ok
[INFO] [stdout] test queue::tests::single_threaded_small_faaqg ... ok
[INFO] [stdout] test queue::tests::many_threads_small_faaqg ... ok
[INFO] [stdout] test queue::tests::single_threaded_large ... ok
[INFO] [stdout] test queue::tests::single_threaded_large_faaq ... ok
[INFO] [stdout] test queue::tests::many_threads_small_general ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_small ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_small_faaqg ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_small_faaq ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_large_faaq ... ok
[INFO] [stdout] test queue::tests::single_threaded_large_general ... ok
[INFO] [stdout] test queue::tests::many_threads_small ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_small_general ... ok
[INFO] [stdout] test queue::tests::single_threaded_small_general ... ok
[INFO] [stdout] test queue::tests::single_threaded_large_faaqg ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_large_faaqg ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_large_general ... ok
[INFO] [stdout] test queue::tests::many_threads_large_faaq ... ok
[INFO] [stdout] test queue::tests::many_threads_large_faaqg ... ok
[INFO] [stdout] test queue::tests::two_threads_enqueue_dequeue_large ... ok
[INFO] [stdout] test queue::tests::many_threads_large ... ok
[INFO] [stdout] test queue::tests::many_threads_large_general ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/bench_bag.rs (/opt/rustwide/target/debug/deps/bench_bag-d6291ff708daf1e1)
[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] [stderr]    Doc-tests bagpipe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "027a76ac33e68385a537998573b828d53c3f43de5f9f3fd8cfeee762c5487653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027a76ac33e68385a537998573b828d53c3f43de5f9f3fd8cfeee762c5487653", kill_on_drop: false }`
[INFO] [stdout] 027a76ac33e68385a537998573b828d53c3f43de5f9f3fd8cfeee762c5487653
