[INFO] cloning repository https://github.com/zowens/paxos-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zowens/paxos-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cb8dd4c551a7d886b9ed8824ca5c95d4154d357
[INFO] testing zowens/paxos-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zowens/paxos-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zowens/paxos-rs
[INFO] finished tweaking git repo https://github.com/zowens/paxos-rs
[INFO] tweaked toml for git repo https://github.com/zowens/paxos-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zowens/paxos-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 6b4b755ae1e481d9d7bd530ab45aea458f09ce682d14f59fa0f52f57ca7d1869
[INFO] running `Command { std: "docker" "start" "-a" "6b4b755ae1e481d9d7bd530ab45aea458f09ce682d14f59fa0f52f57ca7d1869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b4b755ae1e481d9d7bd530ab45aea458f09ce682d14f59fa0f52f57ca7d1869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4b755ae1e481d9d7bd530ab45aea458f09ce682d14f59fa0f52f57ca7d1869", kill_on_drop: false }`
[INFO] [stdout] 6b4b755ae1e481d9d7bd530ab45aea458f09ce682d14f59fa0f52f57ca7d1869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df27fb9c312cbf9913f1e1dd268b4787ec21f91a19d1cdc76a998d456d7712d
[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" "7df27fb9c312cbf9913f1e1dd268b4787ec21f91a19d1cdc76a998d456d7712d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling paxos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "7df27fb9c312cbf9913f1e1dd268b4787ec21f91a19d1cdc76a998d456d7712d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df27fb9c312cbf9913f1e1dd268b4787ec21f91a19d1cdc76a998d456d7712d", kill_on_drop: false }`
[INFO] [stdout] 7df27fb9c312cbf9913f1e1dd268b4787ec21f91a19d1cdc76a998d456d7712d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efcd4887203cce7cc8c417b409ece3c4031fcabd305daf257cdd7217c729bb35
[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" "efcd4887203cce7cc8c417b409ece3c4031fcabd305daf257cdd7217c729bb35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling paxos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/http-paxos/kvstore.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             &inner.pending_get.insert(id, snd);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.41s
[INFO] running `Command { std: "docker" "inspect" "efcd4887203cce7cc8c417b409ece3c4031fcabd305daf257cdd7217c729bb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcd4887203cce7cc8c417b409ece3c4031fcabd305daf257cdd7217c729bb35", kill_on_drop: false }`
[INFO] [stdout] efcd4887203cce7cc8c417b409ece3c4031fcabd305daf257cdd7217c729bb35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] fa8c78ddd099f966304c36796c0f8fd0eb9fa153329a6eb5f4b80468dc0a26aa
[INFO] running `Command { std: "docker" "start" "-a" "fa8c78ddd099f966304c36796c0f8fd0eb9fa153329a6eb5f4b80468dc0a26aa", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> examples/http-paxos/kvstore.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             &inner.pending_get.insert(id, snd);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `paxos` (example "http-paxos") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paxos-c142a2c470537071)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test acceptor::tests::receive_accepted ... ok
[INFO] [stdout] test acceptor::tests::receive_accept ... ok
[INFO] [stdout] test acceptor::tests::receive_prepare ... ok
[INFO] [stdout] test config::tests::quorumset ... ok
[INFO] [stdout] test liveness::tests::commands_bump_timeout ... ok
[INFO] [stdout] test liveness::tests::propose_does_not_bump_timeout ... ok
[INFO] [stdout] test node::tests::node_is_leader ... ok
[INFO] [stdout] test node::tests::node_prepare ... ok
[INFO] [stdout] test node::tests::node_promise_without_existing_accepted_value ... ok
[INFO] [stdout] test node::tests::node_promise_with_existing_accepted_value ... ok
[INFO] [stdout] test node::tests::node_proposal ... ok
[INFO] [stdout] test node::tests::node_catchup ... ok
[INFO] [stdout] test liveness::tests::tick_follower ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_promise ... ok
[INFO] [stdout] test node::tests::node_accept ... ok
[INFO] [stdout] test liveness::tests::tick_leader ... ok
[INFO] [stdout] test node::tests::node_accepted ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_follower ... ok
[INFO] [stdout] test proposer::tests::proposer_prepare ... ok
[INFO] [stdout] test node::tests::node_proposal_redirection ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_leader ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_candidate ... ok
[INFO] [stdout] test node::tests::node_reject ... ok
[INFO] [stdout] test node::tests::node_promise_with_slot_holes ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_reject ... ok
[INFO] [stdout] test node::tests::node_resolution ... ok
[INFO] [stdout] test config::tests::quorum_one ... ok
[INFO] [stdout] test window::tests::next_slot ... ok
[INFO] [stdout] test statemachine::tests::accepted_executes_decisions ... ok
[INFO] [stdout] test tests::ballot_higher_for ... ok
[INFO] [stdout] test window::tests::fill_open_slots ... ok
[INFO] [stdout] test statemachine::tests::resolve_executes_decisions ... ok
[INFO] [stdout] test window::tests::decisions ... ok
[INFO] [stdout] test window::tests::open_one ... ok
[INFO] [stdout] test window::tests::windows ... ok
[INFO] [stdout] test tests::ballot_cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paxos
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa8c78ddd099f966304c36796c0f8fd0eb9fa153329a6eb5f4b80468dc0a26aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8c78ddd099f966304c36796c0f8fd0eb9fa153329a6eb5f4b80468dc0a26aa", kill_on_drop: false }`
[INFO] [stdout] fa8c78ddd099f966304c36796c0f8fd0eb9fa153329a6eb5f4b80468dc0a26aa