[INFO] fetching crate sender-sink 0.2.1...
[INFO] testing sender-sink-0.2.1 against nightly-2025-01-18 for randomize-layout-2
[INFO] extracting crate sender-sink 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sender-sink 0.2.1 on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sender-sink 0.2.1
[INFO] finished tweaking crates.io crate sender-sink 0.2.1
[INFO] tweaked toml for crates.io crate sender-sink 0.2.1 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-2025-01-18" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 431b00a26da109fcee945275168b44e4f09e950dfe552299f1a70385b7a5ba03
[INFO] running `Command { std: "docker" "start" "-a" "431b00a26da109fcee945275168b44e4f09e950dfe552299f1a70385b7a5ba03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431b00a26da109fcee945275168b44e4f09e950dfe552299f1a70385b7a5ba03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431b00a26da109fcee945275168b44e4f09e950dfe552299f1a70385b7a5ba03", kill_on_drop: false }`
[INFO] [stdout] 431b00a26da109fcee945275168b44e4f09e950dfe552299f1a70385b7a5ba03
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4b467902926a9e8ebe78c7ffd8a318a9b4b57d057978e2aa14628a4eb18067
[INFO] running `Command { std: "docker" "start" "-a" "8d4b467902926a9e8ebe78c7ffd8a318a9b4b57d057978e2aa14628a4eb18067", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling sender-sink v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wrappers/mpsc_sink.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     drop(&self.sender.take());
[INFO] [stdout]    |                     ^^^^^-------------------^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&Option<tokio::sync::mpsc::UnboundedSender<T>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 22 -                     drop(&self.sender.take());
[INFO] [stdout] 22 +                     let _ = &self.sender.take();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "8d4b467902926a9e8ebe78c7ffd8a318a9b4b57d057978e2aa14628a4eb18067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4b467902926a9e8ebe78c7ffd8a318a9b4b57d057978e2aa14628a4eb18067", kill_on_drop: false }`
[INFO] [stdout] 8d4b467902926a9e8ebe78c7ffd8a318a9b4b57d057978e2aa14628a4eb18067
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c212fca3a75acf6a9f6c495d8ff05f100a15571150e889ffeae460138206947
[INFO] running `Command { std: "docker" "start" "-a" "4c212fca3a75acf6a9f6c495d8ff05f100a15571150e889ffeae460138206947", kill_on_drop: false }`
[INFO] [stderr]    Compiling sender-sink v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wrappers/mpsc_sink.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     drop(&self.sender.take());
[INFO] [stdout]    |                     ^^^^^-------------------^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&Option<tokio::sync::mpsc::UnboundedSender<T>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 22 -                     drop(&self.sender.take());
[INFO] [stdout] 22 +                     let _ = &self.sender.take();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wrappers/mpsc_sink.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     drop(&self.sender.take());
[INFO] [stdout]    |                     ^^^^^-------------------^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&Option<tokio::sync::mpsc::UnboundedSender<T>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 22 -                     drop(&self.sender.take());
[INFO] [stdout] 22 +                     let _ = &self.sender.take();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "4c212fca3a75acf6a9f6c495d8ff05f100a15571150e889ffeae460138206947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c212fca3a75acf6a9f6c495d8ff05f100a15571150e889ffeae460138206947", kill_on_drop: false }`
[INFO] [stdout] 4c212fca3a75acf6a9f6c495d8ff05f100a15571150e889ffeae460138206947
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91ca77d23e1e80b44db62884e26462f8b27922d33f8e909440135d6ab4ace411
[INFO] running `Command { std: "docker" "start" "-a" "91ca77d23e1e80b44db62884e26462f8b27922d33f8e909440135d6ab4ace411", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/wrappers/mpsc_sink.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     drop(&self.sender.take());
[INFO] [stderr]    |                     ^^^^^-------------------^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          argument has type `&Option<tokio::sync::mpsc::UnboundedSender<T>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 22 -                     drop(&self.sender.take());
[INFO] [stderr] 22 +                     let _ = &self.sender.take();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `sender-sink` (lib) generated 1 warning
[INFO] [stderr] warning: `sender-sink` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sender_sink-20581dd6e0030fb5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test wrappers::mpsc_sink::test::it_fails_if_receiver_closed ... ok
[INFO] [stdout] test wrappers::mpsc_sink::test::it_closes_the_sender ... ok
[INFO] [stdout] test wrappers::mpsc_sink::test::it_sends_multiple_times ... ok
[INFO] [stdout] test wrappers::mpsc_sink::test::it_sends_to_the_sender ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sender_sink
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91ca77d23e1e80b44db62884e26462f8b27922d33f8e909440135d6ab4ace411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ca77d23e1e80b44db62884e26462f8b27922d33f8e909440135d6ab4ace411", kill_on_drop: false }`
[INFO] [stdout] 91ca77d23e1e80b44db62884e26462f8b27922d33f8e909440135d6ab4ace411
