[INFO] fetching crate shared_singleton 0.1.0...
[INFO] testing shared_singleton-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate shared_singleton 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate shared_singleton 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared_singleton 0.1.0
[INFO] finished tweaking crates.io crate shared_singleton 0.1.0
[INFO] tweaked toml for crates.io crate shared_singleton 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5841e5cfa27c61028987bad4e9c49c77ba25c8c37aa406a4105118965c2346b3
[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" "5841e5cfa27c61028987bad4e9c49c77ba25c8c37aa406a4105118965c2346b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5841e5cfa27c61028987bad4e9c49c77ba25c8c37aa406a4105118965c2346b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5841e5cfa27c61028987bad4e9c49c77ba25c8c37aa406a4105118965c2346b3", kill_on_drop: false }`
[INFO] [stdout] 5841e5cfa27c61028987bad4e9c49c77ba25c8c37aa406a4105118965c2346b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e307b872c8353a894a04752aa4252679fced0ee90be5cf921296839bf44ba2
[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" "30e307b872c8353a894a04752aa4252679fced0ee90be5cf921296839bf44ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "30e307b872c8353a894a04752aa4252679fced0ee90be5cf921296839bf44ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e307b872c8353a894a04752aa4252679fced0ee90be5cf921296839bf44ba2", kill_on_drop: false }`
[INFO] [stdout] 30e307b872c8353a894a04752aa4252679fced0ee90be5cf921296839bf44ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c85b2f563da538917c8efe06ffafa3a1125f5926a67cff40274c8aa75d71de1d
[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" "c85b2f563da538917c8efe06ffafa3a1125f5926a67cff40274c8aa75d71de1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "c85b2f563da538917c8efe06ffafa3a1125f5926a67cff40274c8aa75d71de1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85b2f563da538917c8efe06ffafa3a1125f5926a67cff40274c8aa75d71de1d", kill_on_drop: false }`
[INFO] [stdout] c85b2f563da538917c8efe06ffafa3a1125f5926a67cff40274c8aa75d71de1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] e212d959f6727f9979a08da5061dd4a9be26f5bba88ad7fb5ebaf6bbea21d208
[INFO] running `Command { std: "docker" "start" "-a" "e212d959f6727f9979a08da5061dd4a9be26f5bba88ad7fb5ebaf6bbea21d208", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_singleton-36c4b1cdd1258e14
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test singleton::tests::arc_mutex_test ... ok
[INFO] [stdout] test singleton::tests::arc_rwlock_test ... ok
[INFO] [stdout] test singleton::tests::arc_test ... ok
[INFO] [stdout] test singleton::tests::rc_cell_test ... ok
[INFO] [stdout] test singleton::tests::rc_test ... ok
[INFO] [stdout] test singleton::tests::rc_refcell_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_singleton
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e212d959f6727f9979a08da5061dd4a9be26f5bba88ad7fb5ebaf6bbea21d208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e212d959f6727f9979a08da5061dd4a9be26f5bba88ad7fb5ebaf6bbea21d208", kill_on_drop: false }`
[INFO] [stdout] e212d959f6727f9979a08da5061dd4a9be26f5bba88ad7fb5ebaf6bbea21d208
