[INFO] fetching crate threadpool_scope 0.1.0...
[INFO] testing threadpool_scope-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate threadpool_scope 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate threadpool_scope 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate threadpool_scope 0.1.0
[INFO] finished tweaking crates.io crate threadpool_scope 0.1.0
[INFO] tweaked toml for crates.io crate threadpool_scope 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6852e744c54942462c6ca0424f4afa967d62d4562a7b26e205a4b78810d98a74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6852e744c54942462c6ca0424f4afa967d62d4562a7b26e205a4b78810d98a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6852e744c54942462c6ca0424f4afa967d62d4562a7b26e205a4b78810d98a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6852e744c54942462c6ca0424f4afa967d62d4562a7b26e205a4b78810d98a74", kill_on_drop: false }`
[INFO] [stdout] 6852e744c54942462c6ca0424f4afa967d62d4562a7b26e205a4b78810d98a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 946829a0a48c6158e3152c788bf6c8cfdeb358157c80a3d2ef5510d7bebb6f4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "946829a0a48c6158e3152c788bf6c8cfdeb358157c80a3d2ef5510d7bebb6f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling threadpool_scope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.48s
[INFO] running `Command { std: "docker" "inspect" "946829a0a48c6158e3152c788bf6c8cfdeb358157c80a3d2ef5510d7bebb6f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946829a0a48c6158e3152c788bf6c8cfdeb358157c80a3d2ef5510d7bebb6f4b", kill_on_drop: false }`
[INFO] [stdout] 946829a0a48c6158e3152c788bf6c8cfdeb358157c80a3d2ef5510d7bebb6f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8afa0f3364c7f67498c3f02a4f40c43357d7a1d81930a3907c75c6c8373c532
[INFO] running `Command { std: "docker" "start" "-a" "b8afa0f3364c7f67498c3f02a4f40c43357d7a1d81930a3907c75c6c8373c532", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadpool_scope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "b8afa0f3364c7f67498c3f02a4f40c43357d7a1d81930a3907c75c6c8373c532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8afa0f3364c7f67498c3f02a4f40c43357d7a1d81930a3907c75c6c8373c532", kill_on_drop: false }`
[INFO] [stdout] b8afa0f3364c7f67498c3f02a4f40c43357d7a1d81930a3907c75c6c8373c532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f6b31e8a6a56e5a3147afca8fcf16ef223b83b764dbced8ff8edf568e13aac7
[INFO] running `Command { std: "docker" "start" "-a" "6f6b31e8a6a56e5a3147afca8fcf16ef223b83b764dbced8ff8edf568e13aac7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threadpool_scope-3e9e25c651adfe0f
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::smoketest ... ok
[INFO] [stdout] test tests::safe_execute ... ok
[INFO] [stdout] test tests::doctest ... ok
[INFO] [stdout] test tests::pool_panic ... ok
[INFO] [stdout] test tests::thread_panic ... ok
[INFO] [stdout] test tests::scope_panic ... ok
[INFO] [stdout] test tests::join_all_with_thread_panic ... ok
[INFO] [stdout] test tests::join_all ... ok
[INFO] [stdout] test tests::threadpool_scope_sync_perf ... ok
[INFO] [stdout] test tests::rayon_sync_perf ... ok
[INFO] [stdout] test tests::scope_threadpool_sync_perf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 54.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threadpool_scope
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f6b31e8a6a56e5a3147afca8fcf16ef223b83b764dbced8ff8edf568e13aac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6b31e8a6a56e5a3147afca8fcf16ef223b83b764dbced8ff8edf568e13aac7", kill_on_drop: false }`
[INFO] [stdout] 6f6b31e8a6a56e5a3147afca8fcf16ef223b83b764dbced8ff8edf568e13aac7