[INFO] fetching crate sovrin-rust-client-lib 0.1.0-devel-92...
[INFO] checking sovrin-rust-client-lib-0.1.0-devel-92 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate sovrin-rust-client-lib 0.1.0-devel-92 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sovrin-rust-client-lib 0.1.0-devel-92 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sovrin-rust-client-lib 0.1.0-devel-92
[INFO] finished tweaking crates.io crate sovrin-rust-client-lib 0.1.0-devel-92
[INFO] tweaked toml for crates.io crate sovrin-rust-client-lib 0.1.0-devel-92 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 66cdeaedfcec6974b4996f3b58b06843b376e6a1fafeafdc4175368dbedeff8e
[INFO] running `"docker" "start" "-a" "66cdeaedfcec6974b4996f3b58b06843b376e6a1fafeafdc4175368dbedeff8e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking zmq v0.8.3
[INFO] [stderr]     Checking sovrin-rust-client-lib v0.1.0-devel-92 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/commands/mod.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |             cb: Box<Fn(String)>
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn Fn(String)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | type SovrinCallback = Box<Fn(String) + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | type SovrinCallback = Box<Fn(String) + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/lib.rs:48:31
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn do_call(&mut self, params: &[&str]) -> i32 {
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let x = self.worker.take().unwrap().join();
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sovrin_service`
[INFO] [stderr]   --> src/commands/set_did.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sovrin_service: &'a SovrinService,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cb`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     cb: Option<SovrinCallback>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cmd_socket`
[INFO] [stderr]   --> src/lib.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     cmd_socket: Option<zmq::Socket>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `anoncredsService` should have a snake case name
[INFO] [stderr]   --> src/services/anoncreds.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let anoncredsService = AnoncredsService::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `anoncreds_service`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sovrinService` should have a snake case name
[INFO] [stderr]   --> src/services/sovrin.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let sovrinService = SovrinService::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `sovrin_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/lib.rs:48:31
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn do_call(&mut self, params: &[&str]) -> i32 {
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let x = self.worker.take().unwrap().join();
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetDIDCommand`
[INFO] [stderr]  --> src/commands/set_did.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct SetDIDCommand<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/commands/set_did.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn new(executor: &'a SetDIDCommandExecutor) -> SetDIDCommand <'a> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetDIDCommandExecutor`
[INFO] [stderr]   --> src/commands/set_did.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct SetDIDCommandExecutor <'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/commands/set_did.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new(sovrin_service: &SovrinService) -> SetDIDCommandExecutor {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_command`
[INFO] [stderr]   --> src/commands/set_did.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn new_command(&self) -> SetDIDCommand {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AnoncredsService`
[INFO] [stderr]  --> src/services/anoncreds.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct AnoncredsService {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/services/anoncreds.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn new() -> AnoncredsService {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SovrinService`
[INFO] [stderr]  --> src/services/sovrin.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct SovrinService {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/services/sovrin.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> SovrinService {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cb`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     cb: Option<SovrinCallback>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cmd_socket`
[INFO] [stderr]   --> src/lib.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     cmd_socket: Option<zmq::Socket>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/sovrin-client-example.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/sovrin-client-example.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/sovrin-client-example.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/sovrin-client-example.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `"docker" "inspect" "66cdeaedfcec6974b4996f3b58b06843b376e6a1fafeafdc4175368dbedeff8e"`
[INFO] running `"docker" "rm" "-f" "66cdeaedfcec6974b4996f3b58b06843b376e6a1fafeafdc4175368dbedeff8e"`
[INFO] [stdout] 66cdeaedfcec6974b4996f3b58b06843b376e6a1fafeafdc4175368dbedeff8e