[INFO] crate async-spawn-attributes 0.0.0 is already in cache
[INFO] testing async-spawn-attributes-0.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate async-spawn-attributes 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-spawn-attributes 0.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-spawn-attributes 0.0.0
[INFO] finished tweaking crates.io crate async-spawn-attributes 0.0.0
[INFO] tweaked toml for crates.io crate async-spawn-attributes 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1abdaf5071659e3c3191c14e2a43ae1d5b6396900d00fda95e1152fb7b345229
[INFO] running `Command { std: "docker" "start" "-a" "1abdaf5071659e3c3191c14e2a43ae1d5b6396900d00fda95e1152fb7b345229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1abdaf5071659e3c3191c14e2a43ae1d5b6396900d00fda95e1152fb7b345229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abdaf5071659e3c3191c14e2a43ae1d5b6396900d00fda95e1152fb7b345229", kill_on_drop: false }`
[INFO] [stdout] 1abdaf5071659e3c3191c14e2a43ae1d5b6396900d00fda95e1152fb7b345229
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d61e86e9c8013f13e2c6f80319cd1921cc3b3003f1425e58723fd29452bd3f24
[INFO] running `Command { std: "docker" "start" "-a" "d61e86e9c8013f13e2c6f80319cd1921cc3b3003f1425e58723fd29452bd3f24", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-spawn-attributes v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "d61e86e9c8013f13e2c6f80319cd1921cc3b3003f1425e58723fd29452bd3f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61e86e9c8013f13e2c6f80319cd1921cc3b3003f1425e58723fd29452bd3f24", kill_on_drop: false }`
[INFO] [stdout] d61e86e9c8013f13e2c6f80319cd1921cc3b3003f1425e58723fd29452bd3f24
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] a9be604d6fa8d5ac153c193fae162eac627c1bf40bba34c64c277ff3e1ee38d4
[INFO] running `Command { std: "docker" "start" "-a" "a9be604d6fa8d5ac153c193fae162eac627c1bf40bba34c64c277ff3e1ee38d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-spawn-attributes v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a9be604d6fa8d5ac153c193fae162eac627c1bf40bba34c64c277ff3e1ee38d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9be604d6fa8d5ac153c193fae162eac627c1bf40bba34c64c277ff3e1ee38d4", kill_on_drop: false }`
[INFO] [stdout] a9be604d6fa8d5ac153c193fae162eac627c1bf40bba34c64c277ff3e1ee38d4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73e6c7db3a8fee38b7ba1a28952dfb7a09f9422f547be20d53cf36786f68dbdc
[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" "73e6c7db3a8fee38b7ba1a28952dfb7a09f9422f547be20d53cf36786f68dbdc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_spawn_attributes-f26dba7495a6c105
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-spawn-attributes
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73e6c7db3a8fee38b7ba1a28952dfb7a09f9422f547be20d53cf36786f68dbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e6c7db3a8fee38b7ba1a28952dfb7a09f9422f547be20d53cf36786f68dbdc", kill_on_drop: false }`
[INFO] [stdout] 73e6c7db3a8fee38b7ba1a28952dfb7a09f9422f547be20d53cf36786f68dbdc