[INFO] fetching crate stopper 0.2.0...
[INFO] testing stopper-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate stopper 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate stopper 0.2.0 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 stopper 0.2.0
[INFO] finished tweaking crates.io crate stopper 0.2.0
[INFO] tweaked toml for crates.io crate stopper 0.2.0 written to /workspace/builds/worker-14/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-set v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b2ff2516cade4383a12882a1ab57a32bf9c5d4a6afe764c496b5d4153f3cafd2
[INFO] running `Command { std: "docker" "start" "-a" "b2ff2516cade4383a12882a1ab57a32bf9c5d4a6afe764c496b5d4153f3cafd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ff2516cade4383a12882a1ab57a32bf9c5d4a6afe764c496b5d4153f3cafd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ff2516cade4383a12882a1ab57a32bf9c5d4a6afe764c496b5d4153f3cafd2", kill_on_drop: false }`
[INFO] [stdout] b2ff2516cade4383a12882a1ab57a32bf9c5d4a6afe764c496b5d4153f3cafd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9476053fcee1465b3e55850e6b7ba66417035a0b53593d27ecd2a72a669b07cc
[INFO] running `Command { std: "docker" "start" "-a" "9476053fcee1465b3e55850e6b7ba66417035a0b53593d27ecd2a72a669b07cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-set v0.2.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling stopper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "9476053fcee1465b3e55850e6b7ba66417035a0b53593d27ecd2a72a669b07cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9476053fcee1465b3e55850e6b7ba66417035a0b53593d27ecd2a72a669b07cc", kill_on_drop: false }`
[INFO] [stdout] 9476053fcee1465b3e55850e6b7ba66417035a0b53593d27ecd2a72a669b07cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ff7a226e1b83f8e0aa716f5c5eb3f4a43cca75333cac523937bc941481db1d06
[INFO] running `Command { std: "docker" "start" "-a" "ff7a226e1b83f8e0aa716f5c5eb3f4a43cca75333cac523937bc941481db1d06", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling stopper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "ff7a226e1b83f8e0aa716f5c5eb3f4a43cca75333cac523937bc941481db1d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7a226e1b83f8e0aa716f5c5eb3f4a43cca75333cac523937bc941481db1d06", kill_on_drop: false }`
[INFO] [stdout] ff7a226e1b83f8e0aa716f5c5eb3f4a43cca75333cac523937bc941481db1d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 25257ce26a4359f51c8b3a9818571a244339452d87bedc571995df4a3f5dbe0f
[INFO] running `Command { std: "docker" "start" "-a" "25257ce26a4359f51c8b3a9818571a244339452d87bedc571995df4a3f5dbe0f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stopper-b370e88b98100fa6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stopper
[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 3 tests
[INFO] [stdout] test src/lib.rs - Stopper::is_stopped (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Stopper::stop_stream (line 73) ... ok
[INFO] [stdout] test src/lib.rs - Stopper::stop_future (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25257ce26a4359f51c8b3a9818571a244339452d87bedc571995df4a3f5dbe0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25257ce26a4359f51c8b3a9818571a244339452d87bedc571995df4a3f5dbe0f", kill_on_drop: false }`
[INFO] [stdout] 25257ce26a4359f51c8b3a9818571a244339452d87bedc571995df4a3f5dbe0f