[INFO] fetching crate xio_jobset 0.13.0...
[INFO] testing xio_jobset-0.13.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xio_jobset 0.13.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xio_jobset 0.13.0 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 xio_jobset 0.13.0
[INFO] finished tweaking crates.io crate xio_jobset 0.13.0
[INFO] tweaked toml for crates.io crate xio_jobset 0.13.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fc97c406ecf8f62f37f9fdcf7b0cd999032fc4c0398fc9262785f1ee0484139
[INFO] running `Command { std: "docker" "start" "-a" "0fc97c406ecf8f62f37f9fdcf7b0cd999032fc4c0398fc9262785f1ee0484139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc97c406ecf8f62f37f9fdcf7b0cd999032fc4c0398fc9262785f1ee0484139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc97c406ecf8f62f37f9fdcf7b0cd999032fc4c0398fc9262785f1ee0484139", kill_on_drop: false }`
[INFO] [stdout] 0fc97c406ecf8f62f37f9fdcf7b0cd999032fc4c0398fc9262785f1ee0484139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 368b7822c42c94ff4462d341ecc79b4fb28bd194d37da2ddf9bd32e220a2dcf8
[INFO] running `Command { std: "docker" "start" "-a" "368b7822c42c94ff4462d341ecc79b4fb28bd194d37da2ddf9bd32e220a2dcf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling ommui_string_patterns v0.1.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling xio_base_datatypes v0.8.0
[INFO] [stderr]    Compiling xio_jobset v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "368b7822c42c94ff4462d341ecc79b4fb28bd194d37da2ddf9bd32e220a2dcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368b7822c42c94ff4462d341ecc79b4fb28bd194d37da2ddf9bd32e220a2dcf8", kill_on_drop: false }`
[INFO] [stdout] 368b7822c42c94ff4462d341ecc79b4fb28bd194d37da2ddf9bd32e220a2dcf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] bc68d0f693f0e3c03bc758d15bcc755fdb58bf34f5d24f1999f58598d63c6cc1
[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" "bc68d0f693f0e3c03bc758d15bcc755fdb58bf34f5d24f1999f58598d63c6cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling xio_jobset v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "bc68d0f693f0e3c03bc758d15bcc755fdb58bf34f5d24f1999f58598d63c6cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc68d0f693f0e3c03bc758d15bcc755fdb58bf34f5d24f1999f58598d63c6cc1", kill_on_drop: false }`
[INFO] [stdout] bc68d0f693f0e3c03bc758d15bcc755fdb58bf34f5d24f1999f58598d63c6cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 59a9c6a180733c4f5c5d0ae549d2770bb16f2eb4fa60e8567e58f45df9cba36a
[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" "59a9c6a180733c4f5c5d0ae549d2770bb16f2eb4fa60e8567e58f45df9cba36a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xio_jobset-c1aa8730165a6929
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::example_jobset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xio_jobset
[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" "59a9c6a180733c4f5c5d0ae549d2770bb16f2eb4fa60e8567e58f45df9cba36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a9c6a180733c4f5c5d0ae549d2770bb16f2eb4fa60e8567e58f45df9cba36a", kill_on_drop: false }`
[INFO] [stdout] 59a9c6a180733c4f5c5d0ae549d2770bb16f2eb4fa60e8567e58f45df9cba36a