[INFO] fetching crate hbbft 0.1.1...
[INFO] testing hbbft-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate hbbft 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hbbft 0.1.1 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 crates.io crate hbbft 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hbbft 0.1.1
[INFO] tweaked toml for crates.io crate hbbft 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8cd61b456ed248b2e8d036a63e4ec169d425f6bb68d35d038851e2d8529094f0
[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" "8cd61b456ed248b2e8d036a63e4ec169d425f6bb68d35d038851e2d8529094f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd61b456ed248b2e8d036a63e4ec169d425f6bb68d35d038851e2d8529094f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd61b456ed248b2e8d036a63e4ec169d425f6bb68d35d038851e2d8529094f0", kill_on_drop: false }`
[INFO] [stdout] 8cd61b456ed248b2e8d036a63e4ec169d425f6bb68d35d038851e2d8529094f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e59a3dfebf249cc9e7159d8794babc97de7a7ca7c4e26487365013493b68965a
[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" "e59a3dfebf249cc9e7159d8794babc97de7a7ca7c4e26487365013493b68965a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling init_with v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling reed-solomon-erasure v3.1.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rand04 v0.1.1
[INFO] [stderr]    Compiling pairing v0.14.2
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling rand04_compat v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling threshold_crypto v0.3.2
[INFO] [stderr]    Compiling hbbft v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset/subset.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |    pub enum SubsetOutput<N> {
[INFO] [stdout]    |  ________________________^^
[INFO] [stdout]    | | _______________________|
[INFO] [stdout]    | ||
[INFO] [stdout] 22 | ||     /// A contribution was accepted into the set.
[INFO] [stdout] 23 | ||     Contribution(
[INFO] [stdout] 24 | ||         N,
[INFO] [stdout] 25 | ||         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    | ||________^^
[INFO] [stdout]    |  |________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 ~ pub enum SubsetOutput<#[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout] 22 ~ pub enum SubsetOutput<N[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "e59a3dfebf249cc9e7159d8794babc97de7a7ca7c4e26487365013493b68965a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59a3dfebf249cc9e7159d8794babc97de7a7ca7c4e26487365013493b68965a", kill_on_drop: false }`
[INFO] [stdout] e59a3dfebf249cc9e7159d8794babc97de7a7ca7c4e26487365013493b68965a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] faa3f4a154ae6d366e4948adfaf3a63f7ff0f6daa9b00b99008062c59a809cae
[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" "faa3f4a154ae6d366e4948adfaf3a63f7ff0f6daa9b00b99008062c59a809cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling signifix v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset/subset.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |    pub enum SubsetOutput<N> {
[INFO] [stdout]    |  ________________________^^
[INFO] [stdout]    | | _______________________|
[INFO] [stdout]    | ||
[INFO] [stdout] 22 | ||     /// A contribution was accepted into the set.
[INFO] [stdout] 23 | ||     Contribution(
[INFO] [stdout] 24 | ||         N,
[INFO] [stdout] 25 | ||         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    | ||________^^
[INFO] [stdout]    |  |________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 ~ pub enum SubsetOutput<#[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout] 22 ~ pub enum SubsetOutput<N[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling hbbft v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> tests/binary_agreement_mitm.rs:239:26
[INFO] [stdout]     |
[INFO] [stdout] 239 | const NUM_NODES: usize = (NODES_PER_GROUP * 3 + 1);
[INFO] [stdout]     |                          ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 - const NUM_NODES: usize = (NODES_PER_GROUP * 3 + 1);
[INFO] [stdout] 239 + const NUM_NODES: usize = NODES_PER_GROUP * 3 + 1;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/binary_agreement.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// Proptest wrapper for `binary_agreement` that runs the test function on generated configurations.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/net_dynamic_hb.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | /// Proptest wrapper for `do_drop_and_re_add`.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         (prev.high != self.high || prev.current != self.current)
[INFO] [stdout] 154 +         prev.high != self.high || prev.current != self.current
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> tests/net/proptest.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout]     |         ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -         (prev.current != self.current || prev.low != self.low)
[INFO] [stdout] 167 +         prev.current != self.current || prev.low != self.low
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `hbbft::Step` in tuple element 1 that must be used
[INFO] [stdout]    --> tests/binary_agreement_mitm.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         net.crank_expect(&mut rng);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> tests/binary_agreement_mitm.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(unused_must_use)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: The algorithm step result must be used.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hbbft` due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset/subset.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |    pub enum SubsetOutput<N> {
[INFO] [stdout]    |  ________________________^^
[INFO] [stdout]    | | _______________________|
[INFO] [stdout]    | ||
[INFO] [stdout] 22 | ||     /// A contribution was accepted into the set.
[INFO] [stdout] 23 | ||     Contribution(
[INFO] [stdout] 24 | ||         N,
[INFO] [stdout] 25 | ||         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    | ||________^^
[INFO] [stdout]    |  |________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 ~ pub enum SubsetOutput<#[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout] 22 ~ pub enum SubsetOutput<N[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "faa3f4a154ae6d366e4948adfaf3a63f7ff0f6daa9b00b99008062c59a809cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa3f4a154ae6d366e4948adfaf3a63f7ff0f6daa9b00b99008062c59a809cae", kill_on_drop: false }`
[INFO] [stdout] faa3f4a154ae6d366e4948adfaf3a63f7ff0f6daa9b00b99008062c59a809cae