[INFO] fetching crate paxos 0.0.5...
[INFO] testing paxos-0.0.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate paxos 0.0.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate paxos 0.0.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paxos 0.0.5
[INFO] finished tweaking crates.io crate paxos 0.0.5
[INFO] tweaked toml for crates.io crate paxos 0.0.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded sled v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72abd9c61b15921cd84db7a517396f5923cd63af94e4cd0703c09f3a75b23220
[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" "72abd9c61b15921cd84db7a517396f5923cd63af94e4cd0703c09f3a75b23220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72abd9c61b15921cd84db7a517396f5923cd63af94e4cd0703c09f3a75b23220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72abd9c61b15921cd84db7a517396f5923cd63af94e4cd0703c09f3a75b23220", kill_on_drop: false }`
[INFO] [stdout] 72abd9c61b15921cd84db7a517396f5923cd63af94e4cd0703c09f3a75b23220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939238d4dc60d811f01d0cc89a0e9b923c337724c920e39b8e6afa8316feeb5a
[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" "939238d4dc60d811f01d0cc89a0e9b923c337724c920e39b8e6afa8316feeb5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling sled v0.31.0
[INFO] [stderr]    Compiling paxos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `proposers`
[INFO] [stdout]  --> src/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     proposers: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `req_counter`
[INFO] [stdout]  --> src/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     req_counter: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]  --> src/client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     in_flight: HashMap<u64, ()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.23s
[INFO] running `Command { std: "docker" "inspect" "939238d4dc60d811f01d0cc89a0e9b923c337724c920e39b8e6afa8316feeb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939238d4dc60d811f01d0cc89a0e9b923c337724c920e39b8e6afa8316feeb5a", kill_on_drop: false }`
[INFO] [stdout] 939238d4dc60d811f01d0cc89a0e9b923c337724c920e39b8e6afa8316feeb5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03c29d56c95e3cdcb339ce5fe02e70198cb01de905a327a124d99705480b5faa
[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" "03c29d56c95e3cdcb339ce5fe02e70198cb01de905a327a124d99705480b5faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stdout] warning: field is never read: `proposers`
[INFO] [stdout]  --> src/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     proposers: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `req_counter`
[INFO] [stdout]  --> src/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     req_counter: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]  --> src/client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     in_flight: HashMap<u64, ()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling paxos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `proposers`
[INFO] [stdout]  --> src/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     proposers: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `req_counter`
[INFO] [stdout]  --> src/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     req_counter: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]  --> src/client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     in_flight: HashMap<u64, ()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/client.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stdout]   |          ^^^^^           ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "03c29d56c95e3cdcb339ce5fe02e70198cb01de905a327a124d99705480b5faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c29d56c95e3cdcb339ce5fe02e70198cb01de905a327a124d99705480b5faa", kill_on_drop: false }`
[INFO] [stdout] 03c29d56c95e3cdcb339ce5fe02e70198cb01de905a327a124d99705480b5faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c037b4d858cbaaf76948a30845d4ff56564944e0caebaf2cbfb91bd519096cc
[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" "1c037b4d858cbaaf76948a30845d4ff56564944e0caebaf2cbfb91bd519096cc", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `proposers`
[INFO] [stderr]  --> src/client.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     proposers: Vec<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/client.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stderr]   |          ^^^^^           ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `req_counter`
[INFO] [stderr]  --> src/client.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     req_counter: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/client.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stderr]   |          ^^^^^           ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_flight`
[INFO] [stderr]  --> src/client.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     in_flight: HashMap<u64, ()>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/client.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Default, Clone)]
[INFO] [stderr]   |          ^^^^^           ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `paxos` (lib) generated 3 warnings
[INFO] [stderr] warning: `paxos` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paxos-eaab658a96867fc6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/quickcheck.rs (/opt/rustwide/target/debug/deps/quickcheck-83708f243ff3c853)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test linearizability_bug_01 ... ok
[INFO] [stdout] test test_quickcheck_paxos_linearizes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paxos
[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" "1c037b4d858cbaaf76948a30845d4ff56564944e0caebaf2cbfb91bd519096cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c037b4d858cbaaf76948a30845d4ff56564944e0caebaf2cbfb91bd519096cc", kill_on_drop: false }`
[INFO] [stdout] 1c037b4d858cbaaf76948a30845d4ff56564944e0caebaf2cbfb91bd519096cc