[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] c8da74074e024600e313fed0a9a0e268733ada23
[INFO] testing zowens/paxos-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zowens/paxos-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f463b8dcd40c535c8946836493478697fefa405d099791cbf9722979ab3fdf35
[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" "f463b8dcd40c535c8946836493478697fefa405d099791cbf9722979ab3fdf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f463b8dcd40c535c8946836493478697fefa405d099791cbf9722979ab3fdf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f463b8dcd40c535c8946836493478697fefa405d099791cbf9722979ab3fdf35", kill_on_drop: false }`
[INFO] [stdout] f463b8dcd40c535c8946836493478697fefa405d099791cbf9722979ab3fdf35
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7c5d3489e3bf77d708b2a8acba1fdb5ed11b5dc57afa467202fd2dc576911d6
[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" "f7c5d3489e3bf77d708b2a8acba1fdb5ed11b5dc57afa467202fd2dc576911d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling paxos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.19s
[INFO] running `Command { std: "docker" "inspect" "f7c5d3489e3bf77d708b2a8acba1fdb5ed11b5dc57afa467202fd2dc576911d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c5d3489e3bf77d708b2a8acba1fdb5ed11b5dc57afa467202fd2dc576911d6", kill_on_drop: false }`
[INFO] [stdout] f7c5d3489e3bf77d708b2a8acba1fdb5ed11b5dc57afa467202fd2dc576911d6
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82072fb9222d1582e47cbaebdb5587542634df2116cd2c3bb47010e9f7e3a355
[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" "82072fb9222d1582e47cbaebdb5587542634df2116cd2c3bb47010e9f7e3a355", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[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 tracing v0.1.25
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[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 rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[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]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = &inner.pending_get.insert(id, snd);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "82072fb9222d1582e47cbaebdb5587542634df2116cd2c3bb47010e9f7e3a355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82072fb9222d1582e47cbaebdb5587542634df2116cd2c3bb47010e9f7e3a355", kill_on_drop: false }`
[INFO] [stdout] 82072fb9222d1582e47cbaebdb5587542634df2116cd2c3bb47010e9f7e3a355
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] fcaba89db71d733faaf34afeaef522b26e8af982a3c33409d57e24c5bd7e7c1e
[INFO] running `Command { std: "docker" "start" "-a" "fcaba89db71d733faaf34afeaef522b26e8af982a3c33409d57e24c5bd7e7c1e", 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]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let _ = &inner.pending_get.insert(id, snd);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `paxos` (example "http-paxos") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paxos-9de3bb92532260c6)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test acceptor::tests::receive_accepted ... ok
[INFO] [stdout] test liveness::tests::propose_does_not_bump_timeout ... ok
[INFO] [stdout] test liveness::tests::tick_follower ... ok
[INFO] [stdout] test acceptor::tests::receive_accept ... ok
[INFO] [stdout] test liveness::tests::tick_leader ... ok
[INFO] [stdout] test node::tests::node_accept ... ok
[INFO] [stdout] test node::tests::node_accepted ... ok
[INFO] [stdout] test node::tests::node_catchup ... ok
[INFO] [stdout] test node::tests::node_promise_with_slot_holes ... ok
[INFO] [stdout] test node::tests::node_proposal ... ok
[INFO] [stdout] test node::tests::node_proposal_redirection ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_leader ... ok
[INFO] [stdout] test proposer::tests::proposer_prepare ... ok
[INFO] [stdout] test node::tests::node_resolution ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_reject ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_promise ... ok
[INFO] [stdout] test statemachine::tests::accepted_executes_decisions ... ok
[INFO] [stdout] test node::tests::node_prepare ... ok
[INFO] [stdout] test statemachine::tests::resolve_executes_decisions ... ok
[INFO] [stdout] test node::tests::node_reject ... ok
[INFO] [stdout] test window::tests::decisions ... ok
[INFO] [stdout] test node::tests::node_is_leader ... ok
[INFO] [stdout] test window::tests::next_slot ... ok
[INFO] [stdout] test window::tests::open_one ... ok
[INFO] [stderr]    Doc-tests paxos
[INFO] [stdout] test node::tests::node_promise_with_existing_accepted_value ... ok
[INFO] [stdout] test node::tests::node_promise_without_existing_accepted_value ... ok
[INFO] [stdout] test tests::ballot_higher_for ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_candidate ... ok
[INFO] [stdout] test window::tests::fill_open_slots ... ok
[INFO] [stdout] test node::tests::node_propose_leadership_as_follower ... ok
[INFO] [stdout] test config::tests::quorum_one ... ok
[INFO] [stdout] test liveness::tests::commands_bump_timeout ... ok
[INFO] [stdout] test config::tests::quorumset ... ok
[INFO] [stdout] test acceptor::tests::receive_prepare ... 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 0.01s
[INFO] [stdout] 
[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 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcaba89db71d733faaf34afeaef522b26e8af982a3c33409d57e24c5bd7e7c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcaba89db71d733faaf34afeaef522b26e8af982a3c33409d57e24c5bd7e7c1e", kill_on_drop: false }`
[INFO] [stdout] fcaba89db71d733faaf34afeaef522b26e8af982a3c33409d57e24c5bd7e7c1e