[INFO] fetching crate rcu_cell 0.1.8...
[INFO] testing rcu_cell-0.1.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rcu_cell 0.1.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rcu_cell 0.1.8 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 rcu_cell 0.1.8
[INFO] finished tweaking crates.io crate rcu_cell 0.1.8
[INFO] tweaked toml for crates.io crate rcu_cell 0.1.8 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 42bf06c7d6607e2a4edde5c78c7a32c4a457508d385cbea21940e9c733c6f2e5
[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" "42bf06c7d6607e2a4edde5c78c7a32c4a457508d385cbea21940e9c733c6f2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bf06c7d6607e2a4edde5c78c7a32c4a457508d385cbea21940e9c733c6f2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bf06c7d6607e2a4edde5c78c7a32c4a457508d385cbea21940e9c733c6f2e5", kill_on_drop: false }`
[INFO] [stdout] 42bf06c7d6607e2a4edde5c78c7a32c4a457508d385cbea21940e9c733c6f2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ae9de49bc35a1a58fa1da09f9254d3757301ac44dfe02726925689febb42eb19
[INFO] running `Command { std: "docker" "start" "-a" "ae9de49bc35a1a58fa1da09f9254d3757301ac44dfe02726925689febb42eb19", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ae9de49bc35a1a58fa1da09f9254d3757301ac44dfe02726925689febb42eb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9de49bc35a1a58fa1da09f9254d3757301ac44dfe02726925689febb42eb19", kill_on_drop: false }`
[INFO] [stdout] ae9de49bc35a1a58fa1da09f9254d3757301ac44dfe02726925689febb42eb19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fdc6342f3cdc5b4f913fdd162a96ce298469a1cb186cc3e4cab500d70d72a9f2
[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" "fdc6342f3cdc5b4f913fdd162a96ce298469a1cb186cc3e4cab500d70d72a9f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "fdc6342f3cdc5b4f913fdd162a96ce298469a1cb186cc3e4cab500d70d72a9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc6342f3cdc5b4f913fdd162a96ce298469a1cb186cc3e4cab500d70d72a9f2", kill_on_drop: false }`
[INFO] [stdout] fdc6342f3cdc5b4f913fdd162a96ce298469a1cb186cc3e4cab500d70d72a9f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 59bdb1d79fa6dd8bfb3dc76c69b42ad4cabca25fbe3a07fec86be59925aad2e2
[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" "59bdb1d79fa6dd8bfb3dc76c69b42ad4cabca25fbe3a07fec86be59925aad2e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcu_cell-ebea238139db717a
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]    Doc-tests rcu_cell
[INFO] [stdout] test test::single_thread_clone ... ok
[INFO] [stdout] test test::test_is_none ... ok
[INFO] [stdout] test test::test_rcu_guard ... ok
[INFO] [stdout] test test::single_thread ... ok
[INFO] [stdout] test test::test_is_locked ... ok
[INFO] [stdout] test test::simple_drop ... ok
[INFO] [stdout] test test::test_rcu_reader ... ok
[INFO] [stdout] test test::test_clone_rcu_cell ... ok
[INFO] [stdout] test test::test_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "59bdb1d79fa6dd8bfb3dc76c69b42ad4cabca25fbe3a07fec86be59925aad2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59bdb1d79fa6dd8bfb3dc76c69b42ad4cabca25fbe3a07fec86be59925aad2e2", kill_on_drop: false }`
[INFO] [stdout] 59bdb1d79fa6dd8bfb3dc76c69b42ad4cabca25fbe3a07fec86be59925aad2e2