[INFO] fetching crate swimos_sync 0.1.1...
[INFO] testing swimos_sync-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate swimos_sync 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate swimos_sync 0.1.1
[INFO] finished tweaking crates.io crate swimos_sync 0.1.1
[INFO] tweaked toml for crates.io crate swimos_sync 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swimos_sync 0.1.1 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 31 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32e94ae7ff0b444e22af40e8e3d06b4541e7f80c643b5d50344e7c4a6a35b149
[INFO] running `Command { std: "docker" "start" "-a" "32e94ae7ff0b444e22af40e8e3d06b4541e7f80c643b5d50344e7c4a6a35b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e94ae7ff0b444e22af40e8e3d06b4541e7f80c643b5d50344e7c4a6a35b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e94ae7ff0b444e22af40e8e3d06b4541e7f80c643b5d50344e7c4a6a35b149", kill_on_drop: false }`
[INFO] [stdout] 32e94ae7ff0b444e22af40e8e3d06b4541e7f80c643b5d50344e7c4a6a35b149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93cbaff9a8bb5c8fa677f8912da6834ab97db1d0547121d76b36f73529473b90
[INFO] running `Command { std: "docker" "start" "-a" "93cbaff9a8bb5c8fa677f8912da6834ab97db1d0547121d76b36f73529473b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling swimos_num v0.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling swimos_sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/circular_buffer/mod.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "93cbaff9a8bb5c8fa677f8912da6834ab97db1d0547121d76b36f73529473b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cbaff9a8bb5c8fa677f8912da6834ab97db1d0547121d76b36f73529473b90", kill_on_drop: false }`
[INFO] [stdout] 93cbaff9a8bb5c8fa677f8912da6834ab97db1d0547121d76b36f73529473b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ef342c609b486234ad0ff92e26d4493c067fa86c8c9dee04ae24ede9ef448de7
[INFO] running `Command { std: "docker" "start" "-a" "ef342c609b486234ad0ff92e26d4493c067fa86c8c9dee04ae24ede9ef448de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/circular_buffer/mod.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling swimos_sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/circular_buffer/mod.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn recv(&mut self) -> Recv<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "ef342c609b486234ad0ff92e26d4493c067fa86c8c9dee04ae24ede9ef448de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef342c609b486234ad0ff92e26d4493c067fa86c8c9dee04ae24ede9ef448de7", kill_on_drop: false }`
[INFO] [stdout] ef342c609b486234ad0ff92e26d4493c067fa86c8c9dee04ae24ede9ef448de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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", kill_on_drop: false }`
[INFO] [stdout] 5ad9d2819db6e5b3a88bdb7aad2d28be4d1b595c92e1c0f8f144cfd12f929607
[INFO] running `Command { std: "docker" "start" "-a" "5ad9d2819db6e5b3a88bdb7aad2d28be4d1b595c92e1c0f8f144cfd12f929607", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/circular_buffer/mod.rs:257:17
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub fn recv(&mut self) -> Recv<T> {
[INFO] [stderr]     |                 ^^^^^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub fn recv(&mut self) -> Recv<'_, T> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `swimos_sync` (lib) generated 1 warning (run `cargo fix --lib -p swimos_sync` to apply 1 suggestion)
[INFO] [stderr] warning: `swimos_sync` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swimos_sync-048a8cad65141641)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test circular_buffer::tests::one_item_queue ... ok
[INFO] [stdout] test circular_buffer::tests::receiver_wake_on_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_several_stream ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_after_receiver_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_and_receive ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_all_stream ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_and_receive ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_and_receive_many ... ok
[INFO] [stdout] test circular_buffer::tests::small_send_and_receive ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_several_stream ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_and_receive_many ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_several ... ok
[INFO] [stdout] test circular_buffer::tests::one_receive_after_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_after_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::small_send_and_receive_many ... ok
[INFO] [stdout] test circular_buffer::tests::small_send_after_receiver_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::miss_update ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_several ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_after_receiver_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_all_stream ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_after_sender_dropped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swimos_sync
[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" "5ad9d2819db6e5b3a88bdb7aad2d28be4d1b595c92e1c0f8f144cfd12f929607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad9d2819db6e5b3a88bdb7aad2d28be4d1b595c92e1c0f8f144cfd12f929607", kill_on_drop: false }`
[INFO] [stdout] 5ad9d2819db6e5b3a88bdb7aad2d28be4d1b595c92e1c0f8f144cfd12f929607
