[INFO] crate hbbft 0.1.1 is already in cache
[INFO] checking hbbft-0.1.1 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate hbbft 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hbbft 0.1.1 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d942759817831a0dff6b74df840ff64072f6e50c4153f9a396c5bdd8c6ff01fa
[INFO] running `"docker" "start" "-a" "d942759817831a0dff6b74df840ff64072f6e50c4153f9a396c5bdd8c6ff01fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking signifix v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling reed-solomon-erasure v3.1.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking hbbft v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/subset/subset.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stderr]    |         ^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/subset/subset.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         #[derivative(Debug(format_with = "util::fmt_hex"))] Vec<u8>,
[INFO] [stderr]    |         ^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> tests/binary_agreement_mitm.rs:239:26
[INFO] [stderr]     |
[INFO] [stderr] 239 | const NUM_NODES: usize = (NODES_PER_GROUP * 3 + 1);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/binary_agreement.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | /// Proptest wrapper for `binary_agreement` that runs the test function on generated configurations.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/net_dynamic_hb.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | /// Proptest wrapper for `do_drop_and_re_add`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         (prev.high != self.high || prev.current != self.current)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> tests/net/proptest.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         (prev.current != self.current || prev.low != self.low)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: unused `hbbft::traits::Step` in tuple element 1 that must be used
[INFO] [stderr]    --> tests/binary_agreement_mitm.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         net.crank_expect(&mut rng);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> tests/binary_agreement_mitm.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(unused_must_use)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: The algorithm step result must be used.
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `hbbft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d942759817831a0dff6b74df840ff64072f6e50c4153f9a396c5bdd8c6ff01fa"`
[INFO] running `"docker" "rm" "-f" "d942759817831a0dff6b74df840ff64072f6e50c4153f9a396c5bdd8c6ff01fa"`
[INFO] [stdout] d942759817831a0dff6b74df840ff64072f6e50c4153f9a396c5bdd8c6ff01fa