[INFO] fetching crate spinning 0.0.3...
[INFO] testing spinning-0.0.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate spinning 0.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate spinning 0.0.3 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 spinning 0.0.3
[INFO] finished tweaking crates.io crate spinning 0.0.3
[INFO] tweaked toml for crates.io crate spinning 0.0.3 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 4851fe008c91d04eb6f2b3020c0158cee2a088e64e15047308a8467dd7cad704
[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" "4851fe008c91d04eb6f2b3020c0158cee2a088e64e15047308a8467dd7cad704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4851fe008c91d04eb6f2b3020c0158cee2a088e64e15047308a8467dd7cad704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4851fe008c91d04eb6f2b3020c0158cee2a088e64e15047308a8467dd7cad704", kill_on_drop: false }`
[INFO] [stdout] 4851fe008c91d04eb6f2b3020c0158cee2a088e64e15047308a8467dd7cad704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6f8a5c762cd5a6e5eabb6f9986a691ccd30415a7b10c023fe4892dee22fbb05d
[INFO] running `Command { std: "docker" "start" "-a" "6f8a5c762cd5a6e5eabb6f9986a691ccd30415a7b10c023fe4892dee22fbb05d", kill_on_drop: false }`
[INFO] [stderr]    Compiling spinning v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "6f8a5c762cd5a6e5eabb6f9986a691ccd30415a7b10c023fe4892dee22fbb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8a5c762cd5a6e5eabb6f9986a691ccd30415a7b10c023fe4892dee22fbb05d", kill_on_drop: false }`
[INFO] [stdout] 6f8a5c762cd5a6e5eabb6f9986a691ccd30415a7b10c023fe4892dee22fbb05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 853d7481cf4871d61bdbc488615fa0a75b46c85a927d1d8aa750adf1fbd7e33f
[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" "853d7481cf4871d61bdbc488615fa0a75b46c85a927d1d8aa750adf1fbd7e33f", kill_on_drop: false }`
[INFO] [stderr]    Compiling spinning v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "853d7481cf4871d61bdbc488615fa0a75b46c85a927d1d8aa750adf1fbd7e33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853d7481cf4871d61bdbc488615fa0a75b46c85a927d1d8aa750adf1fbd7e33f", kill_on_drop: false }`
[INFO] [stdout] 853d7481cf4871d61bdbc488615fa0a75b46c85a927d1d8aa750adf1fbd7e33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 746764e130639026c41da77425182558b560c9dad22b20d8c5ac091d11a8a036
[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" "746764e130639026c41da77425182558b560c9dad22b20d8c5ac091d11a8a036", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spinning-097c2cce66768363
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::const_init ... ok
[INFO] [stdout] test tests::intent_upgrade ... ok
[INFO] [stdout] test tests::once_preinit ... ok
[INFO] [stdout] test tests::multithread_rwlock ... ok
[INFO] [stdout] test tests::singlethread_rwlock ... ok
[INFO] [stdout] test tests::singlethread_mutex ... ok
[INFO] [stdout] test tests::singlethread_once ... ok
[INFO] [stdout] test tests::multithread_once ... ok
[INFO] [stdout] test tests::once_with_panic_in_init ... ok
[INFO] [stderr]    Doc-tests spinning
[INFO] [stdout] test tests::multithread_mutex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "746764e130639026c41da77425182558b560c9dad22b20d8c5ac091d11a8a036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746764e130639026c41da77425182558b560c9dad22b20d8c5ac091d11a8a036", kill_on_drop: false }`
[INFO] [stdout] 746764e130639026c41da77425182558b560c9dad22b20d8c5ac091d11a8a036