[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] checking wowlsh93/hyperledger-fabric-400-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwowlsh93%2Fhyperledger-fabric-400-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wowlsh93/hyperledger-fabric-400-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a3e54259541953a795fadafca81e52e2799dee3962d6b55a53c53738996da5c
[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" "8a3e54259541953a795fadafca81e52e2799dee3962d6b55a53c53738996da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a3e54259541953a795fadafca81e52e2799dee3962d6b55a53c53738996da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3e54259541953a795fadafca81e52e2799dee3962d6b55a53c53738996da5c", kill_on_drop: false }`
[INFO] [stdout] 8a3e54259541953a795fadafca81e52e2799dee3962d6b55a53c53738996da5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7000d97f78aa57a9e96268f8b6a7d643a0981784090597e7b49d609144c69c02
[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" "7000d97f78aa57a9e96268f8b6a7d643a0981784090597e7b49d609144c69c02", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking 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]    |                                                                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                                                                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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: 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: 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] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.26s
[INFO] running `Command { std: "docker" "inspect" "7000d97f78aa57a9e96268f8b6a7d643a0981784090597e7b49d609144c69c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7000d97f78aa57a9e96268f8b6a7d643a0981784090597e7b49d609144c69c02", kill_on_drop: false }`
[INFO] [stdout] 7000d97f78aa57a9e96268f8b6a7d643a0981784090597e7b49d609144c69c02