[INFO] crate hbbft 0.1.1 is already in cache
[INFO] checking hbbft-0.1.1 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate hbbft 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hbbft 0.1.1 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] f3cef3c834dd8f90614ecbe2014559815512bcd8facc296cc450f8e150b96097
[INFO] running `"docker" "start" "-a" "f3cef3c834dd8f90614ecbe2014559815512bcd8facc296cc450f8e150b96097"`
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking signifix v0.9.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling reed-solomon-erasure v3.1.1
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[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: 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]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 62 | / proptest! {
[INFO] [stderr] 63 | |     #![proptest_config(ProptestConfig {
[INFO] [stderr] 64 | |         cases: 1, .. ProptestConfig::default()
[INFO] [stderr] 65 | |     })]
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |     }
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[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: 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]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 78 | / proptest! {
[INFO] [stderr] 79 | |     #![proptest_config(ProptestConfig::with_cases(1))]
[INFO] [stderr] 80 | |     #[test]
[INFO] [stderr] 81 | |     #[allow(clippy::unnecessary_operation)]
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |     }
[INFO] [stderr] 85 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[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] 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: lint level 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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `hbbft`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f3cef3c834dd8f90614ecbe2014559815512bcd8facc296cc450f8e150b96097"`
[INFO] running `"docker" "rm" "-f" "f3cef3c834dd8f90614ecbe2014559815512bcd8facc296cc450f8e150b96097"`
[INFO] [stdout] f3cef3c834dd8f90614ecbe2014559815512bcd8facc296cc450f8e150b96097