[INFO] fetching crate async-observable 0.4.2... [INFO] testing async-observable-0.4.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate async-observable 0.4.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate async-observable 0.4.2 [INFO] finished tweaking crates.io crate async-observable 0.4.2 [INFO] tweaked toml for crates.io crate async-observable 0.4.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate async-observable 0.4.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate async-observable 0.4.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded value-bag v1.8.1 [INFO] [stderr] Downloaded async-executor v1.9.1 [INFO] [stderr] Downloaded event-listener-strategy v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c82d3f43c3cbba94b997cf8bad6494144842a0a083abf1f036d5a26cd607dcd [INFO] running `Command { std: "docker" "start" "-a" "6c82d3f43c3cbba94b997cf8bad6494144842a0a083abf1f036d5a26cd607dcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c82d3f43c3cbba94b997cf8bad6494144842a0a083abf1f036d5a26cd607dcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c82d3f43c3cbba94b997cf8bad6494144842a0a083abf1f036d5a26cd607dcd", kill_on_drop: false }` [INFO] [stdout] 6c82d3f43c3cbba94b997cf8bad6494144842a0a083abf1f036d5a26cd607dcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 819c889daca020126cd62d27f06e2fdd7eae6a04821a5fb1e6bd1a621ce0a6df [INFO] running `Command { std: "docker" "start" "-a" "819c889daca020126cd62d27f06e2fdd7eae6a04821a5fb1e6bd1a621ce0a6df", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling futures-task v0.3.30 [INFO] [stderr] Compiling futures-io v0.3.30 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling async-observable v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:351:24 [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard<'_, Inner> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.29s [INFO] running `Command { std: "docker" "inspect" "819c889daca020126cd62d27f06e2fdd7eae6a04821a5fb1e6bd1a621ce0a6df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "819c889daca020126cd62d27f06e2fdd7eae6a04821a5fb1e6bd1a621ce0a6df", kill_on_drop: false }` [INFO] [stdout] 819c889daca020126cd62d27f06e2fdd7eae6a04821a5fb1e6bd1a621ce0a6df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2ca46d17209f9a956a051444520c725590eab7c1cdf3d2c5700b387ef1ff85be [INFO] running `Command { std: "docker" "start" "-a" "2ca46d17209f9a956a051444520c725590eab7c1cdf3d2c5700b387ef1ff85be", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling parking v2.2.0 [INFO] [stderr] Compiling futures-io v0.3.30 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling fastrand v2.0.2 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling value-bag v1.8.1 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling async-task v4.7.0 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling futures-lite v2.3.0 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling piper v0.2.1 [INFO] [stderr] Compiling waker-fn v1.1.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling async-lock v2.8.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling concurrent-queue v2.4.0 [INFO] [stderr] Compiling event-listener v4.0.3 [INFO] [stderr] Compiling event-listener v5.2.0 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling event-listener-strategy v0.4.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.1 [INFO] [stderr] Compiling async-channel v2.2.0 [INFO] [stderr] Compiling async-lock v3.3.0 [INFO] [stderr] Compiling async-executor v1.9.1 [INFO] [stderr] Compiling blocking v1.5.1 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling async-observable v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:351:24 [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard<'_, Inner> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling polling v3.6.0 [INFO] [stderr] Compiling async-io v2.3.2 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.12.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:351:24 [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 351 | pub(crate) fn lock(&self) -> MutexGuard<'_, Inner> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 28.97s [INFO] running `Command { std: "docker" "inspect" "2ca46d17209f9a956a051444520c725590eab7c1cdf3d2c5700b387ef1ff85be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ca46d17209f9a956a051444520c725590eab7c1cdf3d2c5700b387ef1ff85be", kill_on_drop: false }` [INFO] [stdout] 2ca46d17209f9a956a051444520c725590eab7c1cdf3d2c5700b387ef1ff85be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c2ff0bcc41c7ae3a4a25f9988ff1de8b6b51e523aecbb3a14b71d902ecfea3fc [INFO] running `Command { std: "docker" "start" "-a" "c2ff0bcc41c7ae3a4a25f9988ff1de8b6b51e523aecbb3a14b71d902ecfea3fc", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:351:24 [INFO] [stderr] | [INFO] [stderr] 351 | pub(crate) fn lock(&self) -> MutexGuard> { [INFO] [stderr] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 351 | pub(crate) fn lock(&self) -> MutexGuard<'_, Inner> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `async-observable` (lib) generated 1 warning (run `cargo fix --lib -p async-observable` to apply 1 suggestion) [INFO] [stderr] warning: `async-observable` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/async_observable-c8bf344c6370e4d0) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test test::versions::should_skip_versions ... ok [INFO] [stdout] test test::synchronization::should_get_latest_without_loosing_updates ... ok [INFO] [stdout] test test::publishing::should_get_notified_sync_multiple ... ok [INFO] [stdout] test test::versions::should_skip_unchecked_updates ... ok [INFO] [stdout] test test::versions::should_clone_and_reset ... ok [INFO] [stdout] test test::publishing::should_conditionally_modify ... ok [INFO] [stdout] test test::publishing::should_get_notified_sync ... ok [INFO] [stdout] test test::publishing::should_publish_after_modify ... ok [INFO] [stdout] test test::versions::should_reset ... ok [INFO] [stdout] test test::future::should_remove_waker_after_resolving ... ok [INFO] [stdout] test test::asynchronous::should_wait_for_publisher_task ... ok [INFO] [stdout] test test::publishing::shouldnt_publish_same_change ... ok [INFO] [stdout] test test::synchronization::should_skip_updates_while_synchronizing ... ok [INFO] [stdout] test test::future::should_wait_forever ... ok [INFO] [stdout] test test::synchronization::should_synchronize_multiple_times ... ok [INFO] [stdout] test test::publishing::should_publish_changed ... ok [INFO] [stdout] test test::versions::should_wait_after_skiped_versions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c2ff0bcc41c7ae3a4a25f9988ff1de8b6b51e523aecbb3a14b71d902ecfea3fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2ff0bcc41c7ae3a4a25f9988ff1de8b6b51e523aecbb3a14b71d902ecfea3fc", kill_on_drop: false }` [INFO] [stdout] c2ff0bcc41c7ae3a4a25f9988ff1de8b6b51e523aecbb3a14b71d902ecfea3fc