[INFO] fetching crate async-barrier 1.1.0...
[INFO] testing async-barrier-1.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async-barrier 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-barrier 1.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-barrier 1.1.0
[INFO] finished tweaking crates.io crate async-barrier 1.1.0
[INFO] tweaked toml for crates.io crate async-barrier 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8ad3de5d73005d41235a38d0fe15b0bb57b7b83804b1f6ee0d423e96fead4b
[INFO] running `Command { std: "docker" "start" "-a" "bc8ad3de5d73005d41235a38d0fe15b0bb57b7b83804b1f6ee0d423e96fead4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8ad3de5d73005d41235a38d0fe15b0bb57b7b83804b1f6ee0d423e96fead4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8ad3de5d73005d41235a38d0fe15b0bb57b7b83804b1f6ee0d423e96fead4b", kill_on_drop: false }`
[INFO] [stdout] bc8ad3de5d73005d41235a38d0fe15b0bb57b7b83804b1f6ee0d423e96fead4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60d566d287c82954c64662838be1631a7d49fdc743c8aee3674f766573e7be7e
[INFO] running `Command { std: "docker" "start" "-a" "60d566d287c82954c64662838be1631a7d49fdc743c8aee3674f766573e7be7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-barrier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "60d566d287c82954c64662838be1631a7d49fdc743c8aee3674f766573e7be7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d566d287c82954c64662838be1631a7d49fdc743c8aee3674f766573e7be7e", kill_on_drop: false }`
[INFO] [stdout] 60d566d287c82954c64662838be1631a7d49fdc743c8aee3674f766573e7be7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae91fbcb0be01328e8c87901cee80a5630d08d4f672bfc80f745bf0d67c2d1f
[INFO] running `Command { std: "docker" "start" "-a" "0ae91fbcb0be01328e8c87901cee80a5630d08d4f672bfc80f745bf0d67c2d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-barrier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "0ae91fbcb0be01328e8c87901cee80a5630d08d4f672bfc80f745bf0d67c2d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae91fbcb0be01328e8c87901cee80a5630d08d4f672bfc80f745bf0d67c2d1f", kill_on_drop: false }`
[INFO] [stdout] 0ae91fbcb0be01328e8c87901cee80a5630d08d4f672bfc80f745bf0d67c2d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e586dc1a68bdcd572c7a2ad89f24451e363677e932a3634f851e1a843a6db884
[INFO] running `Command { std: "docker" "start" "-a" "e586dc1a68bdcd572c7a2ad89f24451e363677e932a3634f851e1a843a6db884", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_barrier-0055f99a521012aa)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-06c8800862c91354)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-barrier
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Barrier::new (line 35) ... ok
[INFO] [stdout] test src/lib.rs - BarrierWaitResult (line 107) ... ok
[INFO] [stdout] test src/lib.rs - BarrierWaitResult::is_leader (line 125) ... ok
[INFO] [stdout] test src/lib.rs - Barrier::wait (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e586dc1a68bdcd572c7a2ad89f24451e363677e932a3634f851e1a843a6db884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e586dc1a68bdcd572c7a2ad89f24451e363677e932a3634f851e1a843a6db884", kill_on_drop: false }`
[INFO] [stdout] e586dc1a68bdcd572c7a2ad89f24451e363677e932a3634f851e1a843a6db884