[INFO] cloning repository https://github.com/wowlsh93/hyperledger-fabric-400-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wowlsh93/hyperledger-fabric-400-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwowlsh93%2Fhyperledger-fabric-400-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwowlsh93%2Fhyperledger-fabric-400-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 764e88cd3b478b36a26f10a85a7b40361a1e6216
[INFO] testing wowlsh93/hyperledger-fabric-400-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwowlsh93%2Fhyperledger-fabric-400-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust
[INFO] finished tweaking git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust
[INFO] tweaked toml for git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bdd1cb2667c7e7b497d92f02a3a94a01f5722391224f00e7c8d18c25fffc64a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bdd1cb2667c7e7b497d92f02a3a94a01f5722391224f00e7c8d18c25fffc64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bdd1cb2667c7e7b497d92f02a3a94a01f5722391224f00e7c8d18c25fffc64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdd1cb2667c7e7b497d92f02a3a94a01f5722391224f00e7c8d18c25fffc64a", kill_on_drop: false }`
[INFO] [stdout] 1bdd1cb2667c7e7b497d92f02a3a94a01f5722391224f00e7c8d18c25fffc64a
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906213262aa36a196e7ced30b763a6c0174063e993578a29a35111a41dd91558
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "906213262aa36a196e7ced30b763a6c0174063e993578a29a35111a41dd91558", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/fabric/core.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Select`, `never`
[INFO] [stdout]  --> src/fabric/core.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossbeam::crossbeam_channel::{never, unbounded,Select,RecvError, Sender, Receiver};
[INFO] [stdout]   |                                    ^^^^^            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Thread`, `sleep`
[INFO] [stdout]  --> src/fabric/core.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::{sleep, Thread};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/fabric/core.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fabric/core.rs:96:66
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                                                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout] 96 +     pub fn write_transaction(&self, key: &str, value :  &str) -> (String,String) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rwset`
[INFO] [stdout]   --> src/fabric.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let rwset = self.f.write_transaction(k,v);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rwset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/fabric/core.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/fabric/core.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RWSet`
[INFO] [stdout]  --> src/fabric/core.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RWSet {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]   --> src/fabric/core.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MSP_org1` should have a snake case name
[INFO] [stdout]   --> src/fabric/core.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub MSP_org1 : String
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `msp_org1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "906213262aa36a196e7ced30b763a6c0174063e993578a29a35111a41dd91558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906213262aa36a196e7ced30b763a6c0174063e993578a29a35111a41dd91558", kill_on_drop: false }`
[INFO] [stdout] 906213262aa36a196e7ced30b763a6c0174063e993578a29a35111a41dd91558
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77be1ffe2d625d3f11ce0f4114ed0a258cc06bf3b1357b2ec1cd6a9e4ec0d58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f77be1ffe2d625d3f11ce0f4114ed0a258cc06bf3b1357b2ec1cd6a9e4ec0d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/fabric/core.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Select`, `never`
[INFO] [stdout]  --> src/fabric/core.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossbeam::crossbeam_channel::{never, unbounded,Select,RecvError, Sender, Receiver};
[INFO] [stdout]   |                                    ^^^^^            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Thread`, `sleep`
[INFO] [stdout]  --> src/fabric/core.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::{sleep, Thread};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/fabric/core.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fabric/core.rs:96:66
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                                                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout] 96 +     pub fn write_transaction(&self, key: &str, value :  &str) -> (String,String) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rwset`
[INFO] [stdout]   --> src/fabric.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let rwset = self.f.write_transaction(k,v);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rwset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/fabric/core.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/fabric/core.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RWSet`
[INFO] [stdout]  --> src/fabric/core.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RWSet {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]   --> src/fabric/core.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MSP_org1` should have a snake case name
[INFO] [stdout]   --> src/fabric/core.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub MSP_org1 : String
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `msp_org1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "f77be1ffe2d625d3f11ce0f4114ed0a258cc06bf3b1357b2ec1cd6a9e4ec0d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77be1ffe2d625d3f11ce0f4114ed0a258cc06bf3b1357b2ec1cd6a9e4ec0d58", kill_on_drop: false }`
[INFO] [stdout] f77be1ffe2d625d3f11ce0f4114ed0a258cc06bf3b1357b2ec1cd6a9e4ec0d58
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70fac8c683852501e55afb2137e809922d2c72397c8845f4a0bba15d483d93eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70fac8c683852501e55afb2137e809922d2c72397c8845f4a0bba15d483d93eb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/fabric/core.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread, time};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Select`, `never`
[INFO] [stderr]  --> src/fabric/core.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crossbeam::crossbeam_channel::{never, unbounded,Select,RecvError, Sender, Receiver};
[INFO] [stderr]   |                                    ^^^^^            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Thread`, `sleep`
[INFO] [stderr]  --> src/fabric/core.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::{sleep, Thread};
[INFO] [stderr]   |                   ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/fabric/core.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/fabric/core.rs:96:66
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stderr]    |                                                                  ^               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stderr] 96 +     pub fn write_transaction(&self, key: &str, value :  &str) -> (String,String) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rwset`
[INFO] [stderr]   --> src/fabric.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let rwset = self.f.write_transaction(k,v);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rwset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/fabric/core.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/fabric/core.rs:96:48
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn write_transaction(&self, key: &str, value :  &str) -> ((String,String)) {
[INFO] [stderr]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RWSet`
[INFO] [stderr]  --> src/fabric/core.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct RWSet {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]   --> src/fabric/core.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Transaction {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `MSP_org1` should have a snake case name
[INFO] [stderr]   --> src/fabric/core.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub MSP_org1 : String
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `msp_org1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `untitled` (bin "untitled" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/untitled-0a0c791fadf7732b)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70fac8c683852501e55afb2137e809922d2c72397c8845f4a0bba15d483d93eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70fac8c683852501e55afb2137e809922d2c72397c8845f4a0bba15d483d93eb", kill_on_drop: false }`
[INFO] [stdout] 70fac8c683852501e55afb2137e809922d2c72397c8845f4a0bba15d483d93eb