[INFO] fetching crate hbbft 0.1.1...
[INFO] checking hbbft-0.1.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate hbbft 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hbbft 0.1.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 143 packages
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91be1a5737153e759e86f09c72c5076c57383eab30051da237ab1f6ef49b37c3
[INFO] running `Command { std: "docker" "start" "-a" "91be1a5737153e759e86f09c72c5076c57383eab30051da237ab1f6ef49b37c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91be1a5737153e759e86f09c72c5076c57383eab30051da237ab1f6ef49b37c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91be1a5737153e759e86f09c72c5076c57383eab30051da237ab1f6ef49b37c3", kill_on_drop: false }`
[INFO] [stdout] 91be1a5737153e759e86f09c72c5076c57383eab30051da237ab1f6ef49b37c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e13571429bb822de4dccc7e92a573c11a7164316b02b9ae6fb7407b07472640
[INFO] running `Command { std: "docker" "start" "-a" "5e13571429bb822de4dccc7e92a573c11a7164316b02b9ae6fb7407b07472640", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]     Checking rand v0.4.6
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[INFO] [stderr]     Checking gimli v0.28.1
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[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling reed-solomon-erasure v3.1.1
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking tempfile v3.10.1
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[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking signifix v0.9.0
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking rayon v1.10.0
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[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.6.2
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[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking hbbft v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/network_info.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/binary_agreement/binary_agreement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/binary_agreement/mod.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | use bincode;
[INFO] [stdout]    |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/broadcast/message.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{self, seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/dynamic_honey_badger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/votes.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/honey_badger/epoch_state.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bincode;
[INFO] [stdout]    |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/honey_badger/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/network_info.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/binary_agreement/binary_agreement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset/subset.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]    --> src/sync_key_gen.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | use bincode;
[INFO] [stdout]     |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/sync_key_gen.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | use rand;
[INFO] [stdout]     |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/binary_agreement/mod.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | use bincode;
[INFO] [stdout]    |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/broadcast/message.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{self, seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/transaction_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{self, seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/dynamic_honey_badger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/dynamic_honey_badger/votes.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/dynamic_honey_badger/votes.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use rand;
[INFO] [stdout]     |         ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/honey_badger/epoch_state.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bincode;
[INFO] [stdout]    |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/honey_badger/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset/subset.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]    --> src/sync_key_gen.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | use bincode;
[INFO] [stdout]     |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/sync_key_gen.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | use rand;
[INFO] [stdout]     |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/transaction_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{self, seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> examples/network/commst.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossbeam` is imported redundantly
[INFO] [stdout]  --> examples/network/commst.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossbeam;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crossbeam` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly
[INFO] [stdout]  --> examples/network/messaging.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossbeam_channel::{self, bounded, select, unbounded, Receiver, Sender};
[INFO] [stdout]   |                         ^^^^ the item `crossbeam_channel` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]   --> examples/network/node.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]   --> examples/network/node.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossbeam` is imported redundantly
[INFO] [stdout]   --> examples/network/node.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use crossbeam;
[INFO] [stdout]    |     ^^^^^^^^^ the item `crossbeam` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> examples/consensus-node.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[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]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[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: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[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]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]  --> tests/net/err.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure;
[INFO] [stdout]   |     ^^^^^^^ the item `failure` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/proptest.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, SeedableRng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[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: the item `rand` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hbbft` is imported redundantly
[INFO] [stdout]   --> tests/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use hbbft::{self, ConsensusProtocol, Contribution, CpStep, Fault, NetworkInfo, NodeIdT, Step};
[INFO] [stdout]    |             ^^^^ the item `hbbft` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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 algorithm step result must be used.
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hbbft` (test "binary_agreement_mitm") due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e13571429bb822de4dccc7e92a573c11a7164316b02b9ae6fb7407b07472640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e13571429bb822de4dccc7e92a573c11a7164316b02b9ae6fb7407b07472640", kill_on_drop: false }`
[INFO] [stdout] 5e13571429bb822de4dccc7e92a573c11a7164316b02b9ae6fb7407b07472640