[INFO] cloning repository https://github.com/betta-cyber/disco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/betta-cyber/disco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetta-cyber%2Fdisco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetta-cyber%2Fdisco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1659a2298a9a3176ba855545dc988832c6132ab2
[INFO] testing betta-cyber/disco against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbetta-cyber%2Fdisco" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/betta-cyber/disco on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/betta-cyber/disco
[INFO] finished tweaking git repo https://github.com/betta-cyber/disco
[INFO] tweaked toml for git repo https://github.com/betta-cyber/disco written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/betta-cyber/disco already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa326013fb8c1544bab84e8d777aa83b129b46a94c8b4a047d2084fda522b6f
[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" "4fa326013fb8c1544bab84e8d777aa83b129b46a94c8b4a047d2084fda522b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa326013fb8c1544bab84e8d777aa83b129b46a94c8b4a047d2084fda522b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa326013fb8c1544bab84e8d777aa83b129b46a94c8b4a047d2084fda522b6f", kill_on_drop: false }`
[INFO] [stdout] 4fa326013fb8c1544bab84e8d777aa83b129b46a94c8b4a047d2084fda522b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--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] a4ce7249c8746a46da723eeacce0b729f248e60b4435d95f843c6f2f970f8df2
[INFO] running `Command { std: "docker" "start" "-a" "a4ce7249c8746a46da723eeacce0b729f248e60b4435d95f843c6f2f970f8df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling combine v4.2.1
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling chrono v0.4.12
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust-argon2 v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling redis v0.16.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling simple_redis v0.5.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling lettre v0.9.3
[INFO] [stderr]    Compiling warp v0.2.3
[INFO] [stderr]    Compiling lettre_email v0.9.4
[INFO] [stderr]    Compiling disco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientSecurity`, `ClientTlsParameters`
[INFO] [stdout]  --> src/mail.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lettre::{ClientSecurity, ClientTlsParameters, SmtpClient, Transport};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ConnectionReuseParameters`, `Mechanism`
[INFO] [stdout]  --> src/mail.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre::smtp::{authentication::{Credentials, Mechanism}, ConnectionReuseParameters};
[INFO] [stdout]   |                                                  ^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Protocol`, `TlsConnector`
[INFO] [stdout]  --> src/mail.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use native_tls::{Protocol, TlsConnector};
[INFO] [stdout]   |                  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lettre_email::Mailbox`
[INFO] [stdout]  --> src/mail.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lettre_email::Mailbox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |                         Err(e) => Value::Null,
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/mail.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let addr = String::from(format!("{}:{}", smtp_host, smtp_port));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/mail.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn send_mail(sender: &str, receiver: &str, cc: &str, subject: &str, content: &str) {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut result = client.subscribe("notify");
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "a4ce7249c8746a46da723eeacce0b729f248e60b4435d95f843c6f2f970f8df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ce7249c8746a46da723eeacce0b729f248e60b4435d95f843c6f2f970f8df2", kill_on_drop: false }`
[INFO] [stdout] a4ce7249c8746a46da723eeacce0b729f248e60b4435d95f843c6f2f970f8df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc19d60c4887c25fa0097b089d4f819c731f4d07a72cc7e3754697a51fe2935e
[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" "cc19d60c4887c25fa0097b089d4f819c731f4d07a72cc7e3754697a51fe2935e", kill_on_drop: false }`
[INFO] [stderr]    Compiling disco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientSecurity`, `ClientTlsParameters`
[INFO] [stdout]  --> src/mail.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lettre::{ClientSecurity, ClientTlsParameters, SmtpClient, Transport};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ConnectionReuseParameters`, `Mechanism`
[INFO] [stdout]  --> src/mail.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre::smtp::{authentication::{Credentials, Mechanism}, ConnectionReuseParameters};
[INFO] [stdout]   |                                                  ^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Protocol`, `TlsConnector`
[INFO] [stdout]  --> src/mail.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use native_tls::{Protocol, TlsConnector};
[INFO] [stdout]   |                  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lettre_email::Mailbox`
[INFO] [stdout]  --> src/mail.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lettre_email::Mailbox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |                         Err(e) => Value::Null,
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/mail.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let addr = String::from(format!("{}:{}", smtp_host, smtp_port));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/mail.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn send_mail(sender: &str, receiver: &str, cc: &str, subject: &str, content: &str) {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut result = client.subscribe("notify");
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "cc19d60c4887c25fa0097b089d4f819c731f4d07a72cc7e3754697a51fe2935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc19d60c4887c25fa0097b089d4f819c731f4d07a72cc7e3754697a51fe2935e", kill_on_drop: false }`
[INFO] [stdout] cc19d60c4887c25fa0097b089d4f819c731f4d07a72cc7e3754697a51fe2935e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d1824835bb3fd12a232533a1fa4e0fcda3741e837615e6b6efbb69032e18d66
[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" "7d1824835bb3fd12a232533a1fa4e0fcda3741e837615e6b6efbb69032e18d66", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/main.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ClientSecurity`, `ClientTlsParameters`
[INFO] [stderr]  --> src/mail.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use lettre::{ClientSecurity, ClientTlsParameters, SmtpClient, Transport};
[INFO] [stderr]   |              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ConnectionReuseParameters`, `Mechanism`
[INFO] [stderr]  --> src/mail.rs:2:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lettre::smtp::{authentication::{Credentials, Mechanism}, ConnectionReuseParameters};
[INFO] [stderr]   |                                                  ^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Protocol`, `TlsConnector`
[INFO] [stderr]  --> src/mail.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use native_tls::{Protocol, TlsConnector};
[INFO] [stderr]   |                  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lettre_email::Mailbox`
[INFO] [stderr]  --> src/mail.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use lettre_email::Mailbox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         Err(e) => Value::Null,
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mail.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let addr = String::from(format!("{}:{}", smtp_host, smtp_port));
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cc`
[INFO] [stderr]   --> src/mail.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn send_mail(sender: &str, receiver: &str, cc: &str, subject: &str, content: &str) {
[INFO] [stderr]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let mut result = client.subscribe("notify");
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/disco-892fe33cba60553e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d1824835bb3fd12a232533a1fa4e0fcda3741e837615e6b6efbb69032e18d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1824835bb3fd12a232533a1fa4e0fcda3741e837615e6b6efbb69032e18d66", kill_on_drop: false }`
[INFO] [stdout] 7d1824835bb3fd12a232533a1fa4e0fcda3741e837615e6b6efbb69032e18d66
