[INFO] fetching crate peril 0.4.2...
[INFO] testing peril-0.4.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate peril 0.4.2 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate peril 0.4.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4bb9b84ff812854132d17c401d3d899ecf3c328a2acf4460473cbb0149382fd
[INFO] running `Command { std: "docker" "start" "-a" "a4bb9b84ff812854132d17c401d3d899ecf3c328a2acf4460473cbb0149382fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4bb9b84ff812854132d17c401d3d899ecf3c328a2acf4460473cbb0149382fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bb9b84ff812854132d17c401d3d899ecf3c328a2acf4460473cbb0149382fd", kill_on_drop: false }`
[INFO] [stdout] a4bb9b84ff812854132d17c401d3d899ecf3c328a2acf4460473cbb0149382fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06dd5861d2f12f1e532cf70ecb674e0715e4a57817430a6a7fbde9c0c9e70e94
[INFO] running `Command { std: "docker" "start" "-a" "06dd5861d2f12f1e532cf70ecb674e0715e4a57817430a6a7fbde9c0c9e70e94", kill_on_drop: false }`
[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 0.48s
[INFO] running `Command { std: "docker" "inspect" "06dd5861d2f12f1e532cf70ecb674e0715e4a57817430a6a7fbde9c0c9e70e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dd5861d2f12f1e532cf70ecb674e0715e4a57817430a6a7fbde9c0c9e70e94", kill_on_drop: false }`
[INFO] [stdout] 06dd5861d2f12f1e532cf70ecb674e0715e4a57817430a6a7fbde9c0c9e70e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae44b8382181786b0ded14e4ea66f2baeb1dd2d8dd9b97663b79b30ab8127974
[INFO] running `Command { std: "docker" "start" "-a" "ae44b8382181786b0ded14e4ea66f2baeb1dd2d8dd9b97663b79b30ab8127974", 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "ae44b8382181786b0ded14e4ea66f2baeb1dd2d8dd9b97663b79b30ab8127974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae44b8382181786b0ded14e4ea66f2baeb1dd2d8dd9b97663b79b30ab8127974", kill_on_drop: false }`
[INFO] [stdout] ae44b8382181786b0ded14e4ea66f2baeb1dd2d8dd9b97663b79b30ab8127974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36ad41d4fb0013de96f5926e47fc4845485f5bed84913a3fdf02971c3a76cdf7
[INFO] running `Command { std: "docker" "start" "-a" "36ad41d4fb0013de96f5926e47fc4845485f5bed84913a3fdf02971c3a76cdf7", 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-2c53cf229f0e54aa)
[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 1.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peril
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/lib.rs - HazardRegistry (line 1030) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_dummy (line 217) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::get_dummy (line 891) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::dummy (line 129) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap (line 806) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::boxed (line 100) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_ref (line 161) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::clone_inner (line 235) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::compare_exchange_weak (line 399) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::store (line 864) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::new (line 648) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::compare_exchange (line 763) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::is_dummy (line 487) ... ok
[INFO] [stdout] test src/lib.rs - HazardRecord (line 330) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_boxed (line 181) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::changed (line 599) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue (line 80) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_dummy (line 199) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap_null (line 834) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::protect (line 668) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::clone_value (line 566) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::clone (line 262) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::compare_exchange (line 448) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::as_ref (line 533) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope (line 356) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer (line 623) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::as_dummy (line 508) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::compare_exchange_weak (line 714) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36ad41d4fb0013de96f5926e47fc4845485f5bed84913a3fdf02971c3a76cdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ad41d4fb0013de96f5926e47fc4845485f5bed84913a3fdf02971c3a76cdf7", kill_on_drop: false }`
[INFO] [stdout] 36ad41d4fb0013de96f5926e47fc4845485f5bed84913a3fdf02971c3a76cdf7