[INFO] fetching crate syncpool 0.1.6...
[INFO] testing syncpool-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syncpool 0.1.6 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate syncpool 0.1.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syncpool 0.1.6
[INFO] finished tweaking crates.io crate syncpool 0.1.6
[INFO] tweaked toml for crates.io crate syncpool 0.1.6 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate syncpool 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d117a4c483a3e1c34cf3b829d9a51d353d73ef7491e787f1a0a9cd9d3366d0
[INFO] running `Command { std: "docker" "start" "-a" "69d117a4c483a3e1c34cf3b829d9a51d353d73ef7491e787f1a0a9cd9d3366d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d117a4c483a3e1c34cf3b829d9a51d353d73ef7491e787f1a0a9cd9d3366d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d117a4c483a3e1c34cf3b829d9a51d353d73ef7491e787f1a0a9cd9d3366d0", kill_on_drop: false }`
[INFO] [stdout] 69d117a4c483a3e1c34cf3b829d9a51d353d73ef7491e787f1a0a9cd9d3366d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbefa9391d73b6e4688e859f635096a94b0f8f9ba2dc0e0ff908c22d23642d8
[INFO] running `Command { std: "docker" "start" "-a" "6bbefa9391d73b6e4688e859f635096a94b0f8f9ba2dc0e0ff908c22d23642d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "6bbefa9391d73b6e4688e859f635096a94b0f8f9ba2dc0e0ff908c22d23642d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbefa9391d73b6e4688e859f635096a94b0f8f9ba2dc0e0ff908c22d23642d8", kill_on_drop: false }`
[INFO] [stdout] 6bbefa9391d73b6e4688e859f635096a94b0f8f9ba2dc0e0ff908c22d23642d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2e9c128d439aceadaee9ff198ae32acd032b95fa5b2aa20be9bd640397df9f
[INFO] running `Command { std: "docker" "start" "-a" "fd2e9c128d439aceadaee9ff198ae32acd032b95fa5b2aa20be9bd640397df9f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "fd2e9c128d439aceadaee9ff198ae32acd032b95fa5b2aa20be9bd640397df9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2e9c128d439aceadaee9ff198ae32acd032b95fa5b2aa20be9bd640397df9f", kill_on_drop: false }`
[INFO] [stdout] fd2e9c128d439aceadaee9ff198ae32acd032b95fa5b2aa20be9bd640397df9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 715d4fd217d13485cc766ffc72300085366ebe994a2e89f9e59969a36b144e50
[INFO] running `Command { std: "docker" "start" "-a" "715d4fd217d13485cc766ffc72300085366ebe994a2e89f9e59969a36b144e50", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/utils.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         atomic::spin_loop_hint()
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `syncpool` (lib) generated 1 warning
[INFO] [stderr] warning: `syncpool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syncpool-bb693ceb1f9d4a69)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test boxed::boxed_tests::defaulted ... ok
[INFO] [stdout] test boxed::boxed_tests::raw_box_test ... ok
[INFO] [stdout] test boxed::boxed_tests::raw ... ok
[INFO] [stdout] test utils::utils_test::access_pass ... ok
[INFO] [stdout] test tests::check ... ok
[INFO] [stdout] test utils::utils_test::access_deny ... ok
[INFO] [stdout] test boxed::boxed_tests::pack ... ok
[INFO] [stdout] test boxed::boxed_tests::init ... ok
[INFO] [stdout] test pool::pool_tests::use_packer ... ok
[INFO] [stdout] test pool::pool_tests::use_builder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syncpool
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/boxed.rs - boxed::raw_box_zeroed (line 115) ... ok
[INFO] [stdout] test src/boxed.rs - boxed::raw_box (line 74) ... ok
[INFO] [stdout] test src/boxed.rs - boxed::make_box (line 148) ... ok
[INFO] [stdout] test src/boxed.rs - boxed::default_box (line 205) ... ok
[INFO] [stdout] test src/pool.rs - pool::SyncPool<T>::with_packer (line 166) ... ok
[INFO] [stdout] test src/lib.rs - (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 157) ... ok
[INFO] [stdout] test src/pool.rs - pool::SyncPool<T>::with_builder (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/boxed.rs - boxed (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "715d4fd217d13485cc766ffc72300085366ebe994a2e89f9e59969a36b144e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715d4fd217d13485cc766ffc72300085366ebe994a2e89f9e59969a36b144e50", kill_on_drop: false }`
[INFO] [stdout] 715d4fd217d13485cc766ffc72300085366ebe994a2e89f9e59969a36b144e50