[INFO] cloning repository https://github.com/KatosGrupe/maintainance_reminder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KatosGrupe/maintainance_reminder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatosGrupe%2Fmaintainance_reminder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatosGrupe%2Fmaintainance_reminder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8ec84a3f5e167d46a1ed2ab305221e0234f13a6
[INFO] checking KatosGrupe/maintainance_reminder against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatosGrupe%2Fmaintainance_reminder" "/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/KatosGrupe/maintainance_reminder on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KatosGrupe/maintainance_reminder
[INFO] finished tweaking git repo https://github.com/KatosGrupe/maintainance_reminder
[INFO] tweaked toml for git repo https://github.com/KatosGrupe/maintainance_reminder written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/KatosGrupe/maintainance_reminder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] cbf7f3e8b29dd0608c92c3d8f41d0be0a765072b533bd4d3d309085fb73ddf1d
[INFO] running `Command { std: "docker" "start" "-a" "cbf7f3e8b29dd0608c92c3d8f41d0be0a765072b533bd4d3d309085fb73ddf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf7f3e8b29dd0608c92c3d8f41d0be0a765072b533bd4d3d309085fb73ddf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf7f3e8b29dd0608c92c3d8f41d0be0a765072b533bd4d3d309085fb73ddf1d", kill_on_drop: false }`
[INFO] [stdout] cbf7f3e8b29dd0608c92c3d8f41d0be0a765072b533bd4d3d309085fb73ddf1d
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1145e31623e7068a7d88623352dd8160e2ec6dab4b5619c9430d7383c49a298d
[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" "1145e31623e7068a7d88623352dd8160e2ec6dab4b5619c9430d7383c49a298d", kill_on_drop: false }`
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[INFO] [stderr]     Checking maintainance_reminder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Credentials`, `Mechanism`
[INFO] [stdout]   --> src/main.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | use lettre::smtp::authentication::{Credentials, Mechanism};
[INFO] [stdout]    |                                    ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lettre::smtp::ConnectionReuseParameters`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use lettre::smtp::ConnectionReuseParameters;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientSecurity`, `ClientTlsParameters`, `EmailAddress`, `Envelope`, `Message`, `SendableEmail`, `SmtpClient`, `Transport`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ClientSecurity, ClientTlsParameters, EmailAddress, Envelope, Message, SendableEmail,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 25 |     SmtpClient, Transport,
[INFO] [stdout]    |     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Protocol`, `TlsConnector`
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | use native_tls::{Protocol, TlsConnector};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Credentials`, `Mechanism`
[INFO] [stdout]   --> src/main.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | use lettre::smtp::authentication::{Credentials, Mechanism};
[INFO] [stdout]    |                                    ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lettre::smtp::ConnectionReuseParameters`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use lettre::smtp::ConnectionReuseParameters;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientSecurity`, `ClientTlsParameters`, `EmailAddress`, `Envelope`, `Message`, `SendableEmail`, `SmtpClient`, `Transport`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ClientSecurity, ClientTlsParameters, EmailAddress, Envelope, Message, SendableEmail,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 25 |     SmtpClient, Transport,
[INFO] [stdout]    |     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Protocol`, `TlsConnector`
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | use native_tls::{Protocol, TlsConnector};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let config = Config::load();
[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/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let config = Config::load();
[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: struct is never constructed: `SmtpClient`
[INFO] [stdout]   --> src/mail.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SmtpClient {
[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: `connect`
[INFO] [stdout]   --> src/mail.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn connect(config: EmailConfig) -> SmtpClient {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_email`
[INFO] [stdout]   --> src/mail.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn send_email(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     server: ServerConfig,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/config.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     port: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `listen`
[INFO] [stdout]   --> src/config.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     listen: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SmtpClient`
[INFO] [stdout]   --> src/mail.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SmtpClient {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connect`
[INFO] [stdout]   --> src/mail.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn connect(config: EmailConfig) -> SmtpClient {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_email`
[INFO] [stdout]   --> src/mail.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn send_email(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 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 2m 13s
[INFO] running `Command { std: "docker" "inspect" "1145e31623e7068a7d88623352dd8160e2ec6dab4b5619c9430d7383c49a298d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1145e31623e7068a7d88623352dd8160e2ec6dab4b5619c9430d7383c49a298d", kill_on_drop: false }`
[INFO] [stdout] 1145e31623e7068a7d88623352dd8160e2ec6dab4b5619c9430d7383c49a298d