[INFO] fetching crate async-select 0.0.1...
[INFO] testing async-select-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async-select 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-select 0.0.1 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-select 0.0.1
[INFO] finished tweaking crates.io crate async-select 0.0.1
[INFO] tweaked toml for crates.io crate async-select 0.0.1 written to /workspace/builds/worker-7/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-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" "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] 1b29ff074246a16df9f38aa63fcaaf8df7efe6ce42349bd7d23a322a1ca72a6d
[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" "1b29ff074246a16df9f38aa63fcaaf8df7efe6ce42349bd7d23a322a1ca72a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b29ff074246a16df9f38aa63fcaaf8df7efe6ce42349bd7d23a322a1ca72a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b29ff074246a16df9f38aa63fcaaf8df7efe6ce42349bd7d23a322a1ca72a6d", kill_on_drop: false }`
[INFO] [stdout] 1b29ff074246a16df9f38aa63fcaaf8df7efe6ce42349bd7d23a322a1ca72a6d
[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" "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] 843451e1c2c527682735fb8081cdc3a98ba4e8ac30f14f06a983530da2cb0abd
[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" "843451e1c2c527682735fb8081cdc3a98ba4e8ac30f14f06a983530da2cb0abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-select v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "843451e1c2c527682735fb8081cdc3a98ba4e8ac30f14f06a983530da2cb0abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843451e1c2c527682735fb8081cdc3a98ba4e8ac30f14f06a983530da2cb0abd", kill_on_drop: false }`
[INFO] [stdout] 843451e1c2c527682735fb8081cdc3a98ba4e8ac30f14f06a983530da2cb0abd
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9882ec3cdd7d3501ca2e36f04b1a97248fa7b0449e04a2718e735e6bc92d599
[INFO] running `Command { std: "docker" "start" "-a" "b9882ec3cdd7d3501ca2e36f04b1a97248fa7b0449e04a2718e735e6bc92d599", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-select v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b9882ec3cdd7d3501ca2e36f04b1a97248fa7b0449e04a2718e735e6bc92d599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9882ec3cdd7d3501ca2e36f04b1a97248fa7b0449e04a2718e735e6bc92d599", kill_on_drop: false }`
[INFO] [stdout] b9882ec3cdd7d3501ca2e36f04b1a97248fa7b0449e04a2718e735e6bc92d599
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0d94f1628d94c891c4d52063dd2bc50b5bd56f31b5430ea1454d53031e35e0a
[INFO] running `Command { std: "docker" "start" "-a" "e0d94f1628d94c891c4d52063dd2bc50b5bd56f31b5430ea1454d53031e35e0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_select-96c724b5a078c0c0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-select
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "e0d94f1628d94c891c4d52063dd2bc50b5bd56f31b5430ea1454d53031e35e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d94f1628d94c891c4d52063dd2bc50b5bd56f31b5430ea1454d53031e35e0a", kill_on_drop: false }`
[INFO] [stdout] e0d94f1628d94c891c4d52063dd2bc50b5bd56f31b5430ea1454d53031e35e0a