[INFO] fetching crate memstore 0.2.0-alpha.0...
[INFO] testing memstore-0.2.0-alpha.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate memstore 0.2.0-alpha.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memstore 0.2.0-alpha.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memstore 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate memstore 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate memstore 0.2.0-alpha.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae2c7f0392106338ae84f5a02d4676713b16666df05f696204b4e079fc0f19d2
[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" "ae2c7f0392106338ae84f5a02d4676713b16666df05f696204b4e079fc0f19d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2c7f0392106338ae84f5a02d4676713b16666df05f696204b4e079fc0f19d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2c7f0392106338ae84f5a02d4676713b16666df05f696204b4e079fc0f19d2", kill_on_drop: false }`
[INFO] [stdout] ae2c7f0392106338ae84f5a02d4676713b16666df05f696204b4e079fc0f19d2
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912dfcf14a24e32784e1729a0d20c7341f07e9a1c8993c48665e35496d054a9b
[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" "912dfcf14a24e32784e1729a0d20c7341f07e9a1c8993c48665e35496d054a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling async-raft v0.6.0-alpha.1
[INFO] [stderr]    Compiling memstore v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.73s
[INFO] running `Command { std: "docker" "inspect" "912dfcf14a24e32784e1729a0d20c7341f07e9a1c8993c48665e35496d054a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912dfcf14a24e32784e1729a0d20c7341f07e9a1c8993c48665e35496d054a9b", kill_on_drop: false }`
[INFO] [stdout] 912dfcf14a24e32784e1729a0d20c7341f07e9a1c8993c48665e35496d054a9b
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74c0134808fff563ec50c755f238586c2124bc8bdd0f442503e50abbe3543d2e
[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" "74c0134808fff563ec50c755f238586c2124bc8bdd0f442503e50abbe3543d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memstore v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "74c0134808fff563ec50c755f238586c2124bc8bdd0f442503e50abbe3543d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c0134808fff563ec50c755f238586c2124bc8bdd0f442503e50abbe3543d2e", kill_on_drop: false }`
[INFO] [stdout] 74c0134808fff563ec50c755f238586c2124bc8bdd0f442503e50abbe3543d2e
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b04cfc01ec0ce11665821549cf8704cc504c8f41499f9a601fb81521bb57d27
[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" "1b04cfc01ec0ce11665821549cf8704cc504c8f41499f9a601fb81521bb57d27", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memstore-9d3560eb7dd1b0d7
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::test_get_initial_state_default ... ok
[INFO] [stdout] test test::test_delete_logs_from_deletes_target_logs_no_stop ... ok
[INFO] [stdout] test test::test_apply_entry_to_state_machine ... ok
[INFO] [stdout] test test::test_append_entry_to_log ... ok
[INFO] [stdout] test test::test_delete_logs_from_deletes_target_logs ... ok
[INFO] [stdout] test test::test_get_membership_config_default ... ok
[INFO] [stdout] test test::test_replicate_to_log ... ok
[INFO] [stdout] test test::test_get_log_entries_returns_expected_entries ... ok
[INFO] [stdout] test test::test_get_log_entries_returns_emptry_vec_when_start_gt_stop ... ok
[INFO] [stdout] test test::test_get_membership_config_with_previous_state ... ok
[INFO] [stdout] test test::test_save_hard_state ... ok
[INFO] [stdout] test test::test_replicate_to_state_machine ... ok
[INFO] [stdout] test test::test_get_initial_state_with_previous_state ... ok
[INFO] [stdout] test test::test_delete_logs_from_does_nothing_if_start_gt_stop ... ok
[INFO] [stdout] test test::test_delete_logs_from_deletes_only_target_logs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memstore
[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" "1b04cfc01ec0ce11665821549cf8704cc504c8f41499f9a601fb81521bb57d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b04cfc01ec0ce11665821549cf8704cc504c8f41499f9a601fb81521bb57d27", kill_on_drop: false }`
[INFO] [stdout] 1b04cfc01ec0ce11665821549cf8704cc504c8f41499f9a601fb81521bb57d27