[INFO] cloning repository https://github.com/OrionStudios/Crypto-Operator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OrionStudios/Crypto-Operator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrionStudios%2FCrypto-Operator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrionStudios%2FCrypto-Operator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 073689b898097246d95a74df9db062919cc4192a
[INFO] checking OrionStudios/Crypto-Operator against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrionStudios%2FCrypto-Operator" "/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/OrionStudios/Crypto-Operator on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OrionStudios/Crypto-Operator
[INFO] finished tweaking git repo https://github.com/OrionStudios/Crypto-Operator
[INFO] tweaked toml for git repo https://github.com/OrionStudios/Crypto-Operator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/OrionStudios/Crypto-Operator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded mio v0.7.4
[INFO] [stderr]   Downloaded tokio v0.3.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20fb8142ff34dfd796c41885da0b9d5d8d75c690eb0a1262ecc3b42a9031c92e
[INFO] running `Command { std: "docker" "start" "-a" "20fb8142ff34dfd796c41885da0b9d5d8d75c690eb0a1262ecc3b42a9031c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20fb8142ff34dfd796c41885da0b9d5d8d75c690eb0a1262ecc3b42a9031c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fb8142ff34dfd796c41885da0b9d5d8d75c690eb0a1262ecc3b42a9031c92e", kill_on_drop: false }`
[INFO] [stdout] 20fb8142ff34dfd796c41885da0b9d5d8d75c690eb0a1262ecc3b42a9031c92e
[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=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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d05cc7703c26391a4b5bbf20108e8fa7e38d671ee45722e11286433f4808f5a
[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" "5d05cc7703c26391a4b5bbf20108e8fa7e38d671ee45722e11286433f4808f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking tokio v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking crypto-op v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_use] extern crate serde_json;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `{}`
[INFO] [stdout]  --> src/api/net/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {};
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `Buf`, `Cursor`, `self`
[INFO] [stdout]  --> src/api/net/connection.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |   bytes::{Buf, BytesMut},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 3 |   std::io::{self, Cursor},
[INFO] [stdout]   |             ^^^^  ^^^^^^
[INFO] [stdout] 4 |   tokio::{
[INFO] [stdout] 5 |     io::{AsyncReadExt, AsyncWriteExt, BufWriter},
[INFO] [stdout]   |          ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_use] extern crate serde_json;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `{}`
[INFO] [stdout]  --> src/api/net/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {};
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `Buf`, `Cursor`, `self`
[INFO] [stdout]  --> src/api/net/connection.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |   bytes::{Buf, BytesMut},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 3 |   std::io::{self, Cursor},
[INFO] [stdout]   |             ^^^^  ^^^^^^
[INFO] [stdout] 4 |   tokio::{
[INFO] [stdout] 5 |     io::{AsyncReadExt, AsyncWriteExt, BufWriter},
[INFO] [stdout]   |          ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/api.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn init(config: AppSettings) -> Result<()> {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/api.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn init(config: AppSettings) -> Result<()> {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut config = settings::load();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut config = settings::load();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/api/net/client.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   client: Client,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subscribed_channels`
[INFO] [stdout]  --> src/api/net/client.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   subscribed_channels: Vec<String>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]   --> src/api/net/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Connection {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/api/net/client.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   client: Client,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subscribed_channels`
[INFO] [stdout]  --> src/api/net/client.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   subscribed_channels: Vec<String>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]   --> src/api/net/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Connection {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.02s
[INFO] running `Command { std: "docker" "inspect" "5d05cc7703c26391a4b5bbf20108e8fa7e38d671ee45722e11286433f4808f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d05cc7703c26391a4b5bbf20108e8fa7e38d671ee45722e11286433f4808f5a", kill_on_drop: false }`
[INFO] [stdout] 5d05cc7703c26391a4b5bbf20108e8fa7e38d671ee45722e11286433f4808f5a