[INFO] fetching crate synchronoise 1.0.1...
[INFO] testing synchronoise-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate synchronoise 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate synchronoise 1.0.1
[INFO] finished tweaking crates.io crate synchronoise 1.0.1
[INFO] tweaked toml for crates.io crate synchronoise 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synchronoise 1.0.1 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 2 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] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23bfc05b33b6f4c9ac5d2346995bbf5bd3f6f88e95142af9cb3fe4d37755168f
[INFO] running `Command { std: "docker" "start" "-a" "23bfc05b33b6f4c9ac5d2346995bbf5bd3f6f88e95142af9cb3fe4d37755168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23bfc05b33b6f4c9ac5d2346995bbf5bd3f6f88e95142af9cb3fe4d37755168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23bfc05b33b6f4c9ac5d2346995bbf5bd3f6f88e95142af9cb3fe4d37755168f", kill_on_drop: false }`
[INFO] [stdout] 23bfc05b33b6f4c9ac5d2346995bbf5bd3f6f88e95142af9cb3fe4d37755168f
[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=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] ebe4718841583ca870ef6ef95516f74612a6698d232f3a8d690dfe46689bbe5e
[INFO] running `Command { std: "docker" "start" "-a" "ebe4718841583ca870ef6ef95516f74612a6698d232f3a8d690dfe46689bbe5e", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling synchronoise v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard, CountdownError> {
[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: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout]  17 | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard<'_>, CountdownError> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/phaser.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<PhaserReadLock>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<'_, PhaserReadLock>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "ebe4718841583ca870ef6ef95516f74612a6698d232f3a8d690dfe46689bbe5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe4718841583ca870ef6ef95516f74612a6698d232f3a8d690dfe46689bbe5e", kill_on_drop: false }`
[INFO] [stdout] ebe4718841583ca870ef6ef95516f74612a6698d232f3a8d690dfe46689bbe5e
[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=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] c6948a882696a82413c4a26dbc51aaf01a309618cb959592d468c8a9964136bc
[INFO] running `Command { std: "docker" "start" "-a" "c6948a882696a82413c4a26dbc51aaf01a309618cb959592d468c8a9964136bc", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard, CountdownError> {
[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: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout]  17 | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard<'_>, CountdownError> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/phaser.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<PhaserReadLock>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<'_, PhaserReadLock>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synchronoise v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard, CountdownError> {
[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: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout]  17 | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn guard(&self) -> Result<CountdownGuard<'_>, CountdownError> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/phaser.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<PhaserReadLock>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<'_, PhaserReadLock>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c6948a882696a82413c4a26dbc51aaf01a309618cb959592d468c8a9964136bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6948a882696a82413c4a26dbc51aaf01a309618cb959592d468c8a9964136bc", kill_on_drop: false }`
[INFO] [stdout] c6948a882696a82413c4a26dbc51aaf01a309618cb959592d468c8a9964136bc
[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=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] a31a9e42f3fafc0ffd9f5dac9a21a5c0e039d2e04f96f39b42574d0eabaed934
[INFO] running `Command { std: "docker" "start" "-a" "a31a9e42f3fafc0ffd9f5dac9a21a5c0e039d2e04f96f39b42574d0eabaed934", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/event.rs:264:18
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub fn guard(&self) -> Result<CountdownGuard, CountdownError> {
[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: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:17:9
[INFO] [stderr]     |
[INFO] [stderr]  17 | #![deny(warnings, missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub fn guard(&self) -> Result<CountdownGuard<'_>, CountdownError> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/phaser.rs:150:22
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<PhaserReadLock>> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn read_lock(&self) -> LockResult<MutexGuard<'_, PhaserReadLock>> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `synchronoise` (lib) generated 2 warnings (run `cargo fix --lib -p synchronoise` to apply 2 suggestions)
[INFO] [stderr] warning: `synchronoise` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synchronoise-2f499b4bee0835ea)
[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 synchronoise
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/phaser.rs - phaser::PhaserCriticalSection (line 60) ... ok
[INFO] [stdout] test src/phaser.rs - phaser::PhaserReadLock (line 90) ... ok
[INFO] [stdout] test src/event.rs - event::CountdownEvent (line 39) ... ok
[INFO] [stdout] test src/event.rs - event::SignalEvent (line 408) ... ok
[INFO] [stdout] test src/event.rs - event::CountdownEvent::guard (line 237) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a31a9e42f3fafc0ffd9f5dac9a21a5c0e039d2e04f96f39b42574d0eabaed934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31a9e42f3fafc0ffd9f5dac9a21a5c0e039d2e04f96f39b42574d0eabaed934", kill_on_drop: false }`
[INFO] [stdout] a31a9e42f3fafc0ffd9f5dac9a21a5c0e039d2e04f96f39b42574d0eabaed934
