[INFO] fetching crate indy-vdr 0.4.0...
[INFO] checking indy-vdr-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate indy-vdr 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate indy-vdr 0.4.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indy-vdr 0.4.0
[INFO] finished tweaking crates.io crate indy-vdr 0.4.0
[INFO] tweaked toml for crates.io crate indy-vdr 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 138 packages
[INFO] [stderr]       Adding anoncreds-clsignatures v0.2.4 (latest: v0.3.2)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding cmake v0.1.48 (latest: v0.1.50)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding indy-data-types v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding time v0.3.20 (latest: v0.3.34)
[INFO] [stderr]       Adding time-core v0.1.0 (latest: v0.1.2)
[INFO] [stderr]       Adding time-macros v0.2.8 (latest: v0.2.17)
[INFO] [stderr]       Adding toml v0.2.1 (latest: v0.8.12)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (latest: v2.0.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[INFO] [stderr]       Adding zeromq-src v0.1.10+4.3.2 (latest: v0.3.1+4.3.5)
[INFO] [stderr]       Adding zmq v0.9.2 (latest: v0.10.0)
[INFO] [stderr]       Adding zmq-sys v0.11.0 (latest: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etcommon-hexutil v0.2.4
[INFO] [stderr]   Downloaded elastic-array-plus v0.10.0
[INFO] [stderr]   Downloaded glass_pumpkin v1.6.0
[INFO] [stderr]   Downloaded indy-utils v0.6.0
[INFO] [stderr]   Downloaded indy-blssignatures v0.1.0
[INFO] [stderr]   Downloaded indy-data-types v0.6.1
[INFO] [stderr]   Downloaded ffi-support v0.4.4
[INFO] [stderr]   Downloaded etcommon-rlp v0.2.5
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded anoncreds-clsignatures v0.2.4
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47917488b106c9c868b79d8902c223de7cb6a93e3e6154401b1961515eb7bd2b
[INFO] running `Command { std: "docker" "start" "-a" "47917488b106c9c868b79d8902c223de7cb6a93e3e6154401b1961515eb7bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47917488b106c9c868b79d8902c223de7cb6a93e3e6154401b1961515eb7bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47917488b106c9c868b79d8902c223de7cb6a93e3e6154401b1961515eb7bd2b", kill_on_drop: false }`
[INFO] [stdout] 47917488b106c9c868b79d8902c223de7cb6a93e3e6154401b1961515eb7bd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd225adc9930658729703ec017ab3f57ab6b586e5b3b5a1d9e101e6a94c1f3f0
[INFO] running `Command { std: "docker" "start" "-a" "fd225adc9930658729703ec017ab3f57ab6b586e5b3b5a1d9e101e6a94c1f3f0", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4
[INFO] [stderr]     Checking elastic-array-plus v0.10.0
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking ffi-support v0.4.4
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking etcommon-rlp v0.2.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking indy-utils v0.6.0
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking indy-blssignatures v0.1.0
[INFO] [stderr]     Checking indy-data-types v0.6.1
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking indy-vdr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/utils/base58.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^ the item `bs58` 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 `serde_json` is imported redundantly
[INFO] [stdout]   --> src/common/error.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/ffi/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]   --> src/ledger/requests/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use serde;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | extern crate serde;
[INFO] [stdout]    | ------------------- the item `serde` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/ledger/requests/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/ledger/request_builder.rs:2:18
[INFO] [stdout]    |
[INFO] [stdout] 2  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/pool/genesis.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/genesis.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/genesis.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json::{self, Deserializer, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/handlers/mod.rs:4:18
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/helpers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/pool/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/helpers.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/networker/zmq.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/requests/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/requests/base.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/requests/prepared_request.rs:1:18
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/pool/types.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/pool/types.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/types.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/resolver/did_document.rs:5:18
[INFO] [stdout]    |
[INFO] [stdout] 5  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/utils/base58.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^ the item `bs58` 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 `serde_json` is imported redundantly
[INFO] [stdout]   --> src/common/error.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/ffi/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]   --> src/ledger/requests/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use serde;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | extern crate serde;
[INFO] [stdout]    | ------------------- the item `serde` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/ledger/requests/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/pool/genesis.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/genesis.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/handlers/mod.rs:4:18
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/helpers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/pool/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/helpers.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/pool/manager.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Verifiers` is imported redundantly
[INFO] [stdout]    --> src/pool/manager.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use crate::pool::{VerifierInfo, Verifiers};
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout] 189 |
[INFO] [stdout] 190 |     use super::*;
[INFO] [stdout]     |         -------- the item `Verifiers` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/networker/zmq.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/requests/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/pool/requests/base.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/requests/prepared_request.rs:1:18
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/pool/types.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/pool/types.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/pool/types.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json::{self, Value as SJsonValue};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rfc3339` is imported redundantly
[INFO] [stdout]    --> src/resolver/utils.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use time::format_description::well_known::Rfc3339;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rfc3339` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OffsetDateTime` is imported redundantly
[INFO] [stdout]    --> src/resolver/utils.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     use time::OffsetDateTime;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 304 |
[INFO] [stdout] 305 |     use super::*;
[INFO] [stdout]     |         -------- the item `OffsetDateTime` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `seq_no`, `txn_time`, and `last_seq_no` are never read
[INFO] [stdout]    --> src/pool/handlers/consensus.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub struct ResponseMetadata {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 241 |     pub seq_no: Option<u64>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 242 |     pub txn_time: Option<u64>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 243 |     pub last_txn_time: Option<u64>,
[INFO] [stdout] 244 |     pub last_seq_no: Option<u64>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `seq_no`, `txn_time`, and `last_seq_no` are never read
[INFO] [stdout]    --> src/pool/handlers/consensus.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub struct ResponseMetadata {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 241 |     pub seq_no: Option<u64>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 242 |     pub txn_time: Option<u64>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 243 |     pub last_txn_time: Option<u64>,
[INFO] [stdout] 244 |     pub last_seq_no: Option<u64>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "fd225adc9930658729703ec017ab3f57ab6b586e5b3b5a1d9e101e6a94c1f3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd225adc9930658729703ec017ab3f57ab6b586e5b3b5a1d9e101e6a94c1f3f0", kill_on_drop: false }`
[INFO] [stdout] fd225adc9930658729703ec017ab3f57ab6b586e5b3b5a1d9e101e6a94c1f3f0