[INFO] fetching crate frugalos_config 1.2.0...
[INFO] testing frugalos_config-1.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate frugalos_config 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate frugalos_config 1.2.0 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 frugalos_config 1.2.0
[INFO] finished tweaking crates.io crate frugalos_config 1.2.0
[INFO] tweaked toml for crates.io crate frugalos_config 1.2.0 written to /workspace/builds/worker-4/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rendezvous_hash v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 4667968b66bfe3f7f096df7d55305c7ef34d61887409174aa02810d6b303aae2
[INFO] running `Command { std: "docker" "start" "-a" "4667968b66bfe3f7f096df7d55305c7ef34d61887409174aa02810d6b303aae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4667968b66bfe3f7f096df7d55305c7ef34d61887409174aa02810d6b303aae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4667968b66bfe3f7f096df7d55305c7ef34d61887409174aa02810d6b303aae2", kill_on_drop: false }`
[INFO] [stdout] 4667968b66bfe3f7f096df7d55305c7ef34d61887409174aa02810d6b303aae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] c4da5443fc2a9e13097a54df4c6225fb9aeb7e6825c19e72a3064104600207a0
[INFO] running `Command { std: "docker" "start" "-a" "c4da5443fc2a9e13097a54df4c6225fb9aeb7e6825c19e72a3064104600207a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling rendezvous_hash v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling bytecodec v0.4.13
[INFO] [stderr]    Compiling protobuf_codec v0.2.8
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling tasque v0.1.5
[INFO] [stderr]    Compiling raftlog v0.6.0
[INFO] [stderr]    Compiling cannyls v0.10.0
[INFO] [stderr]    Compiling fibers_tasque v0.1.2
[INFO] [stderr]    Compiling fibers_rpc v0.3.4
[INFO] [stderr]    Compiling raftlog_protobuf v0.3.0
[INFO] [stderr]    Compiling libfrugalos v0.7.0
[INFO] [stderr]    Compiling frugalos_raft v1.2.0
[INFO] [stderr]    Compiling frugalos_config v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "c4da5443fc2a9e13097a54df4c6225fb9aeb7e6825c19e72a3064104600207a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4da5443fc2a9e13097a54df4c6225fb9aeb7e6825c19e72a3064104600207a0", kill_on_drop: false }`
[INFO] [stdout] c4da5443fc2a9e13097a54df4c6225fb9aeb7e6825c19e72a3064104600207a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7383b4013369beff4044fb743c175b706b28fe7c6536ddeb75e95645d9d1f40
[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" "f7383b4013369beff4044fb743c175b706b28fe7c6536ddeb75e95645d9d1f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling frugalos_config v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "f7383b4013369beff4044fb743c175b706b28fe7c6536ddeb75e95645d9d1f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7383b4013369beff4044fb743c175b706b28fe7c6536ddeb75e95645d9d1f40", kill_on_drop: false }`
[INFO] [stdout] f7383b4013369beff4044fb743c175b706b28fe7c6536ddeb75e95645d9d1f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81fe90ffaa4ea7bb84fde3552f38d124cac83f42bac60d15005a4f465e2dfd8f
[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" "81fe90ffaa4ea7bb84fde3552f38d124cac83f42bac60d15005a4f465e2dfd8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frugalos_config-d04df4e6d9fe730d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test device_tree::tests::verify_device_works ... ok
[INFO] [stdout] test protobuf::tests::command_decoder_works ... ok
[INFO] [stdout] test builder::tests::segment_table_builder_works ... ok
[INFO] [stdout] test test_util::tests::build_device_tree_creates_correct_number_of_devices ... ok
[INFO] [stdout] test protobuf::tests::snapshot_decoder_works ... ok
[INFO] [stdout] test builder::tests::segment_table_builder_nearly_evenly_distributes_segments ... ok
[INFO] [stdout] test builder::tests::segment_table_builder_evenly_distributes_segments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frugalos_config
[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" "81fe90ffaa4ea7bb84fde3552f38d124cac83f42bac60d15005a4f465e2dfd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fe90ffaa4ea7bb84fde3552f38d124cac83f42bac60d15005a4f465e2dfd8f", kill_on_drop: false }`
[INFO] [stdout] 81fe90ffaa4ea7bb84fde3552f38d124cac83f42bac60d15005a4f465e2dfd8f