[INFO] cloning repository https://github.com/MoeAl-Ani/stock-fetcher-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoeAl-Ani/stock-fetcher-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoeAl-Ani%2Fstock-fetcher-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoeAl-Ani%2Fstock-fetcher-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a0a1c73675b9a74fcb0be0bb8bc7a860223ad6c
[INFO] testing MoeAl-Ani/stock-fetcher-cli against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoeAl-Ani%2Fstock-fetcher-cli" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoeAl-Ani/stock-fetcher-cli on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/MoeAl-Ani/stock-fetcher-cli
[INFO] finished tweaking git repo https://github.com/MoeAl-Ani/stock-fetcher-cli
[INFO] tweaked toml for git repo https://github.com/MoeAl-Ani/stock-fetcher-cli written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MoeAl-Ani/stock-fetcher-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded lettre v0.9.5
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded lettre_email v0.9.4
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded reqwest v0.10.10
[INFO] [stderr]   Downloaded openssl-src v111.13.0+1.1.1i
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 405bff3374cc504a47f07c0ac33df8eb85afd56132206ef1b91cad84c460b00d
[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" "405bff3374cc504a47f07c0ac33df8eb85afd56132206ef1b91cad84c460b00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405bff3374cc504a47f07c0ac33df8eb85afd56132206ef1b91cad84c460b00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405bff3374cc504a47f07c0ac33df8eb85afd56132206ef1b91cad84c460b00d", kill_on_drop: false }`
[INFO] [stdout] 405bff3374cc504a47f07c0ac33df8eb85afd56132206ef1b91cad84c460b00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ee2571f6d9b09f6f3f23a4754e88086dffd06c576af02d1560144c163a7b40
[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" "85ee2571f6d9b09f6f3f23a4754e88086dffd06c576af02d1560144c163a7b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling lettre v0.9.5
[INFO] [stderr]    Compiling lettre_email v0.9.4
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling stock-fetcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/stock_api.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stock_api.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stock_api.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EmailService`
[INFO] [stdout]   --> src/email.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct EmailService {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/email.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config_path: &String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/email.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn send(&self, from: &str, to: &str, subject: &str, content: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]   --> src/email.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn load(config_path: &String) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/stock_api.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stock_api.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 33s
[INFO] running `Command { std: "docker" "inspect" "85ee2571f6d9b09f6f3f23a4754e88086dffd06c576af02d1560144c163a7b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ee2571f6d9b09f6f3f23a4754e88086dffd06c576af02d1560144c163a7b40", kill_on_drop: false }`
[INFO] [stdout] 85ee2571f6d9b09f6f3f23a4754e88086dffd06c576af02d1560144c163a7b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 84deb3210f5034b2ee12dbeccdc020cfa972fb15313e9a120c1c8c8d69fd9e5e
[INFO] running `Command { std: "docker" "start" "-a" "84deb3210f5034b2ee12dbeccdc020cfa972fb15313e9a120c1c8c8d69fd9e5e", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/stock_api.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stock_api.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stock_api.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EmailService`
[INFO] [stdout]   --> src/email.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct EmailService {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/email.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config_path: &String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/email.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn send(&self, from: &str, to: &str, subject: &str, content: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]   --> src/email.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn load(config_path: &String) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stock-fetcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EmailService`
[INFO] [stdout]   --> src/email.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::email::{EmailConfig, EmailService};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/email.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use serde::{Deserialize, Serialize};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EmailService`
[INFO] [stdout]   --> src/email.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::email::{EmailConfig, EmailService};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/email.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use serde::{Deserialize, Serialize};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/stock_api.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EmailService`
[INFO] [stdout]   --> src/email.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct EmailService {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/email.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config_path: &String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/email.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn send(&self, from: &str, to: &str, subject: &str, content: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/stock_api.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "84deb3210f5034b2ee12dbeccdc020cfa972fb15313e9a120c1c8c8d69fd9e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84deb3210f5034b2ee12dbeccdc020cfa972fb15313e9a120c1c8c8d69fd9e5e", kill_on_drop: false }`
[INFO] [stdout] 84deb3210f5034b2ee12dbeccdc020cfa972fb15313e9a120c1c8c8d69fd9e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 0934b4f87e8d14fb0034bc89fe948ae055a8aa6a74840b79580a1d149f9f510b
[INFO] running `Command { std: "docker" "start" "-a" "0934b4f87e8d14fb0034bc89fe948ae055a8aa6a74840b79580a1d149f9f510b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/stock_api.rs:81:27
[INFO] [stderr]    |
[INFO] [stderr] 81 |     async fn fetch(&self, name: &String, symbol: &String) -> Option<StockData> {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/stock_api.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/stock_api.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `EmailService`
[INFO] [stderr]   --> src/email.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct EmailService {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/email.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(config_path: &String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send`
[INFO] [stderr]   --> src/email.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn send(&self, from: &str, to: &str, subject: &str, content: &str) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/email.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn load(config_path: &String) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EmailService`
[INFO] [stderr]   --> src/email.rs:73:37
[INFO] [stderr]    |
[INFO] [stderr] 73 |     use crate::email::{EmailConfig, EmailService};
[INFO] [stderr]    |                                     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/email.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     use serde::{Deserialize, Serialize};
[INFO] [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `EmailService`
[INFO] [stderr]   --> src/email.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct EmailService {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stock-fetcher` (lib) generated 7 warnings
[INFO] [stderr] warning: `stock-fetcher` (lib test) generated 6 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, process, thread};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EmailService`
[INFO] [stderr]   --> src/email.rs:73:37
[INFO] [stderr]    |
[INFO] [stderr] 73 |     use crate::email::{EmailConfig, EmailService};
[INFO] [stderr]    |                                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stock-fetcher` (bin "stock-fetcher" test) generated 6 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stock_fetcher-89d876403c294f07)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "0934b4f87e8d14fb0034bc89fe948ae055a8aa6a74840b79580a1d149f9f510b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0934b4f87e8d14fb0034bc89fe948ae055a8aa6a74840b79580a1d149f9f510b", kill_on_drop: false }`
[INFO] [stdout] 0934b4f87e8d14fb0034bc89fe948ae055a8aa6a74840b79580a1d149f9f510b