[INFO] fetching crate peril 0.4.2...
[INFO] testing peril-0.4.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate peril 0.4.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate peril 0.4.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peril 0.4.2
[INFO] finished tweaking crates.io crate peril 0.4.2
[INFO] tweaked toml for crates.io crate peril 0.4.2 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os-thread-local v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d27ef60fa31b83b8e0e7ab8b2885846ed87c0f654dba92fb3106521474c4b6
[INFO] running `Command { std: "docker" "start" "-a" "55d27ef60fa31b83b8e0e7ab8b2885846ed87c0f654dba92fb3106521474c4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d27ef60fa31b83b8e0e7ab8b2885846ed87c0f654dba92fb3106521474c4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d27ef60fa31b83b8e0e7ab8b2885846ed87c0f654dba92fb3106521474c4b6", kill_on_drop: false }`
[INFO] [stdout] 55d27ef60fa31b83b8e0e7ab8b2885846ed87c0f654dba92fb3106521474c4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 448e492bd221254696f8bd2e432052b0731d9d6a3f0b0277f43318aec3cd5df4
[INFO] running `Command { std: "docker" "start" "-a" "448e492bd221254696f8bd2e432052b0731d9d6a3f0b0277f43318aec3cd5df4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling os-thread-local v0.1.3
[INFO] [stderr]    Compiling peril v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 Arc::into_raw(boxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:587:13
[INFO] [stdout]     |
[INFO] [stdout] 587 |             Arc::into_raw(boxed);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "448e492bd221254696f8bd2e432052b0731d9d6a3f0b0277f43318aec3cd5df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448e492bd221254696f8bd2e432052b0731d9d6a3f0b0277f43318aec3cd5df4", kill_on_drop: false }`
[INFO] [stdout] 448e492bd221254696f8bd2e432052b0731d9d6a3f0b0277f43318aec3cd5df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ba4208c9cabcfb5197caf042c3d2e26900dd82a1c1eed81da9830673a20daa
[INFO] running `Command { std: "docker" "start" "-a" "e1ba4208c9cabcfb5197caf042c3d2e26900dd82a1c1eed81da9830673a20daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling peril v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 Arc::into_raw(boxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:587:13
[INFO] [stdout]     |
[INFO] [stdout] 587 |             Arc::into_raw(boxed);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 Arc::into_raw(boxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:587:13
[INFO] [stdout]     |
[INFO] [stdout] 587 |             Arc::into_raw(boxed);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "e1ba4208c9cabcfb5197caf042c3d2e26900dd82a1c1eed81da9830673a20daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ba4208c9cabcfb5197caf042c3d2e26900dd82a1c1eed81da9830673a20daa", kill_on_drop: false }`
[INFO] [stdout] e1ba4208c9cabcfb5197caf042c3d2e26900dd82a1c1eed81da9830673a20daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae3ec93d40e48d35c1812864612572d906aa498d7399697569f07d6ea2d53e7f
[INFO] running `Command { std: "docker" "start" "-a" "ae3ec93d40e48d35c1812864612572d906aa498d7399697569f07d6ea2d53e7f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 Arc::into_raw(boxed);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: losing the pointer will leak memory
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Arc::<T>::into_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:587:13
[INFO] [stderr]     |
[INFO] [stderr] 587 |             Arc::into_raw(boxed);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: losing the pointer will leak memory
[INFO] [stderr] 
[INFO] [stderr] warning: `peril` (lib) generated 2 warnings
[INFO] [stderr] warning: `peril` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peril-29deac7459094bd1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_dummy ... ok
[INFO] [stdout] test tests::test_hazard_vector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peril
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/lib.rs - HazardValue::clone_inner (line 235) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::compare_exchange (line 763) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap (line 806) ... ok
[INFO] [stdout] test src/lib.rs - HazardRecord (line 330) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::store (line 864) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer (line 623) ... ok
[INFO] [stdout] test src/lib.rs - HazardRegistry (line 1030) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::clone (line 262) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::new (line 648) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::get_dummy (line 891) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_boxed (line 181) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::clone_value (line 566) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_dummy (line 199) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::protect (line 668) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::compare_exchange_weak (line 714) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::compare_exchange_weak (line 399) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::boxed (line 100) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue (line 80) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::dummy (line 129) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope (line 356) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap_null (line 834) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::changed (line 599) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::is_dummy (line 487) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_dummy (line 217) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::as_ref (line 533) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::compare_exchange (line 448) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::as_dummy (line 508) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_ref (line 161) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae3ec93d40e48d35c1812864612572d906aa498d7399697569f07d6ea2d53e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3ec93d40e48d35c1812864612572d906aa498d7399697569f07d6ea2d53e7f", kill_on_drop: false }`
[INFO] [stdout] ae3ec93d40e48d35c1812864612572d906aa498d7399697569f07d6ea2d53e7f