[INFO] fetching crate page-lock 3.1.0...
[INFO] testing page-lock-3.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate page-lock 3.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate page-lock 3.1.0
[INFO] finished tweaking crates.io crate page-lock 3.1.0
[INFO] tweaked toml for crates.io crate page-lock 3.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate page-lock 3.1.0 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 57 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.4.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9d8f9e4547ae514095ec15524665fb0976f9ebba44b05885c998050307e1ac8f
[INFO] running `Command { std: "docker" "start" "-a" "9d8f9e4547ae514095ec15524665fb0976f9ebba44b05885c998050307e1ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8f9e4547ae514095ec15524665fb0976f9ebba44b05885c998050307e1ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8f9e4547ae514095ec15524665fb0976f9ebba44b05885c998050307e1ac8f", kill_on_drop: false }`
[INFO] [stdout] 9d8f9e4547ae514095ec15524665fb0976f9ebba44b05885c998050307e1ac8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a3cb1f3991f1461e3d0ca19d67cba847a8545e177eed8fa2b69d6c1aae4bc204
[INFO] running `Command { std: "docker" "start" "-a" "a3cb1f3991f1461e3d0ca19d67cba847a8545e177eed8fa2b69d6c1aae4bc204", kill_on_drop: false }`
[INFO] [stderr]    Compiling page-lock v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rw_lock.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<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] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a3cb1f3991f1461e3d0ca19d67cba847a8545e177eed8fa2b69d6c1aae4bc204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cb1f3991f1461e3d0ca19d67cba847a8545e177eed8fa2b69d6c1aae4bc204", kill_on_drop: false }`
[INFO] [stdout] a3cb1f3991f1461e3d0ca19d67cba847a8545e177eed8fa2b69d6c1aae4bc204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 779010fafa9d00d7c233fbaf3c25a051e33f56bec970857454f3b06eeb4c1a73
[INFO] running `Command { std: "docker" "start" "-a" "779010fafa9d00d7c233fbaf3c25a051e33f56bec970857454f3b06eeb4c1a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.118
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.118
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling wasm-bindgen-test-shared v0.2.118
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rw_lock.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<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] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.118
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.68
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.118
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling js-sys v0.3.95
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling tokio-test v0.4.5
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.68
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.68
[INFO] [stderr]    Compiling page-lock v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rw_lock.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<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] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 45.83s
[INFO] running `Command { std: "docker" "inspect" "779010fafa9d00d7c233fbaf3c25a051e33f56bec970857454f3b06eeb4c1a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779010fafa9d00d7c233fbaf3c25a051e33f56bec970857454f3b06eeb4c1a73", kill_on_drop: false }`
[INFO] [stdout] 779010fafa9d00d7c233fbaf3c25a051e33f56bec970857454f3b06eeb4c1a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] be9c6f78fb6fece2fefe84e7c0fc4d399733df32f04bb8b3bb68c521cd526ce1
[INFO] running `Command { std: "docker" "start" "-a" "be9c6f78fb6fece2fefe84e7c0fc4d399733df32f04bb8b3bb68c521cd526ce1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rw_lock.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mutex.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<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] 44 |     pub fn until_unlocked(&self, num: T) -> UntilUnlocked<'_, T> {
[INFO] [stderr]    |                                                           +++
[INFO] [stderr] 
[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] warning: `page-lock` (lib) generated 2 warnings (run `cargo fix --lib -p page-lock` to apply 2 suggestions)
[INFO] [stdout] 
[INFO] [stderr] warning: `page-lock` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stdout] running 5 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/page_lock-15bd4e6f5dde63fd)
[INFO] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-8f944a898ea1db6b)
[INFO] [stdout] test readiness ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] test aborted_future_1 ... ok
[INFO] [stdout] test aborted_future_2 ... ok
[INFO] [stderr]      Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-d886d44ad704d716)
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test read_exclusive_pending ... ok
[INFO] [stdout] test write_exclusive_pending ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test read_shared ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] test write_read_shared_drop_pending ... ok
[INFO] [stdout] test write_read_shared_pending ... ok
[INFO] [stdout] test write_shared_pending ... ok
[INFO] [stdout] test write_shared_drop ... ok
[INFO] [stdout] test multithreaded ... ok
[INFO] [stderr]    Doc-tests page_lock
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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" "be9c6f78fb6fece2fefe84e7c0fc4d399733df32f04bb8b3bb68c521cd526ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9c6f78fb6fece2fefe84e7c0fc4d399733df32f04bb8b3bb68c521cd526ce1", kill_on_drop: false }`
[INFO] [stdout] be9c6f78fb6fece2fefe84e7c0fc4d399733df32f04bb8b3bb68c521cd526ce1
