[INFO] crate hbbft 0.1.1 is already in cache
[INFO] extracting crate hbbft 0.1.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hbbft/0.1.1
[INFO] extracting crate hbbft 0.1.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hbbft/0.1.1
[INFO] validating manifest of hbbft-0.1.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hbbft-0.1.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hbbft-0.1.1
[INFO] removed 2 missing examples
[INFO] finished frobbing hbbft-0.1.1
[INFO] frobbed toml for hbbft-0.1.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hbbft/0.1.1/Cargo.toml
[INFO] started frobbing hbbft-0.1.1
[INFO] removed 2 missing examples
[INFO] finished frobbing hbbft-0.1.1
[INFO] frobbed toml for hbbft-0.1.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hbbft/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hbbft-0.1.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hbbft/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 85cb91a3f83e11d1b4f7561903c22e651432bc8e7145e21ef8777a84160d8779
[INFO] running `"docker" "start" "-a" "85cb91a3f83e11d1b4f7561903c22e651432bc8e7145e21ef8777a84160d8779"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]     Checking signifix v0.9.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling reed-solomon-erasure v3.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[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 bincode v1.1.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking hbbft v0.1.1 (/opt/crater/workdir)
[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] 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] 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" "85cb91a3f83e11d1b4f7561903c22e651432bc8e7145e21ef8777a84160d8779"`
[INFO] running `"docker" "rm" "-f" "85cb91a3f83e11d1b4f7561903c22e651432bc8e7145e21ef8777a84160d8779"`
[INFO] [stdout] 85cb91a3f83e11d1b4f7561903c22e651432bc8e7145e21ef8777a84160d8779