[INFO] fetching crate swimos_sync 0.1.1...
[INFO] testing swimos_sync-0.1.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate swimos_sync 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swimos_sync 0.1.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb
[INFO] running `Command { std: "docker" "start" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling swimos_num v0.1.1
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.14
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[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] warning: unused dependency `swimos_num`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.swimos_num]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `swimos_num`
[INFO] [stderr] warning: `swimos_sync` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.49s
[INFO] running `Command { std: "docker" "inspect" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[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 v1.53.2
[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] warning: unused dependency `swimos_num`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.swimos_num]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `swimos_num`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `swimos_sync` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", 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] warning: unused dependency `swimos_num`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.swimos_num]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `swimos_num`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `swimos_sync` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/swimos_sync/00bb567c77b5d0d2/out/swimos_sync-00bb567c77b5d0d2)
[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::small_receive_all_stream ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_after_receiver_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::miss_update ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_several_stream ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_and_receive_many ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_and_receive_many ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_all_stream ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_and_receive ... ok
[INFO] [stdout] test circular_buffer::tests::one_receive_after_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::one_send_and_receive ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_after_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::large_send_after_receiver_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::large_receive_after_sender_dropped ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_several ... ok
[INFO] [stdout] test circular_buffer::tests::small_receive_several_stream ... 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::large_receive_several ... ok
[INFO] [stdout] test circular_buffer::tests::small_send_and_receive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb", kill_on_drop: false }`
[INFO] [stdout] 61be51073e3fa8513b9747f90400003d5f8c0e09d0ddce2449444c7c2cbee1eb
