[INFO] fetching crate peril 0.4.2...
[INFO] testing peril-0.4.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate peril 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate peril 0.4.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee40eb7c5539c4d5ce49b4328da418b1e972e5d3233991f12269141a9ba787b4
[INFO] running `Command { std: "docker" "start" "-a" "ee40eb7c5539c4d5ce49b4328da418b1e972e5d3233991f12269141a9ba787b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee40eb7c5539c4d5ce49b4328da418b1e972e5d3233991f12269141a9ba787b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee40eb7c5539c4d5ce49b4328da418b1e972e5d3233991f12269141a9ba787b4", kill_on_drop: false }`
[INFO] [stdout] ee40eb7c5539c4d5ce49b4328da418b1e972e5d3233991f12269141a9ba787b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e084562a4f032fd2cde314fb11f6a3d2b480efe56a0eaa87ab93ff200bf7714
[INFO] running `Command { std: "docker" "start" "-a" "6e084562a4f032fd2cde314fb11f6a3d2b480efe56a0eaa87ab93ff200bf7714", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.47s
[INFO] running `Command { std: "docker" "inspect" "6e084562a4f032fd2cde314fb11f6a3d2b480efe56a0eaa87ab93ff200bf7714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e084562a4f032fd2cde314fb11f6a3d2b480efe56a0eaa87ab93ff200bf7714", kill_on_drop: false }`
[INFO] [stdout] 6e084562a4f032fd2cde314fb11f6a3d2b480efe56a0eaa87ab93ff200bf7714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02444744a273e54c924dbbaacba3fa2f892382e7659a11cbeedf8020be60da4f
[INFO] running `Command { std: "docker" "start" "-a" "02444744a273e54c924dbbaacba3fa2f892382e7659a11cbeedf8020be60da4f", 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "02444744a273e54c924dbbaacba3fa2f892382e7659a11cbeedf8020be60da4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02444744a273e54c924dbbaacba3fa2f892382e7659a11cbeedf8020be60da4f", kill_on_drop: false }`
[INFO] [stdout] 02444744a273e54c924dbbaacba3fa2f892382e7659a11cbeedf8020be60da4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcfd63956cf8dce63d2bbec6726152878b9ed2187781707f4f66bae3baa07524
[INFO] running `Command { std: "docker" "start" "-a" "dcfd63956cf8dce63d2bbec6726152878b9ed2187781707f4f66bae3baa07524", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.20s
[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 0.94s
[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 - HazardPointer<T>::compare_exchange_weak (line 714) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer (line 623) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::store (line 864) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::compare_exchange (line 763) ... ok
[INFO] [stdout] test src/lib.rs - HazardRecord (line 330) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_dummy (line 217) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::new (line 648) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::as_ref (line 533) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::compare_exchange_weak (line 399) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap_null (line 834) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::boxed (line 100) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::is_dummy (line 487) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::as_ref (line 161) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope::changed (line 599) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_boxed (line 181) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue (line 80) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::swap (line 806) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::dummy (line 129) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::protect (line 668) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::is_dummy (line 199) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::clone_inner (line 235) ... 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 - HazardScope::clone_value (line 566) ... ok
[INFO] [stdout] test src/lib.rs - HazardValue::clone (line 262) ... ok
[INFO] [stdout] test src/lib.rs - HazardPointer<T>::get_dummy (line 891) ... ok
[INFO] [stdout] test src/lib.rs - HazardScope (line 356) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcfd63956cf8dce63d2bbec6726152878b9ed2187781707f4f66bae3baa07524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfd63956cf8dce63d2bbec6726152878b9ed2187781707f4f66bae3baa07524", kill_on_drop: false }`
[INFO] [stdout] dcfd63956cf8dce63d2bbec6726152878b9ed2187781707f4f66bae3baa07524