[INFO] cloning repository https://github.com/Hyde46/reddit-view-portal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hyde46/reddit-view-portal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyde46%2Freddit-view-portal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyde46%2Freddit-view-portal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96abd14b7a13b5f931f43f60906cab44f34165ce
[INFO] testing Hyde46/reddit-view-portal against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyde46%2Freddit-view-portal" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hyde46/reddit-view-portal 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/Hyde46/reddit-view-portal
[INFO] finished tweaking git repo https://github.com/Hyde46/reddit-view-portal
[INFO] tweaked toml for git repo https://github.com/Hyde46/reddit-view-portal written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hyde46/reddit-view-portal 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webbrowser v0.5.2
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 33f598c78eb0ae6b46e7b7257cecfe0de3c2b071444ddc3ba02ddede78a309d0
[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" "33f598c78eb0ae6b46e7b7257cecfe0de3c2b071444ddc3ba02ddede78a309d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f598c78eb0ae6b46e7b7257cecfe0de3c2b071444ddc3ba02ddede78a309d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f598c78eb0ae6b46e7b7257cecfe0de3c2b071444ddc3ba02ddede78a309d0", kill_on_drop: false }`
[INFO] [stdout] 33f598c78eb0ae6b46e7b7257cecfe0de3c2b071444ddc3ba02ddede78a309d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] f66574b1ce888c0ba0f30a6b7739c8db1390445f7f86a28eb3bb4cb4d18aa249
[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" "f66574b1ce888c0ba0f30a6b7739c8db1390445f7f86a28eb3bb4cb4d18aa249", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling webbrowser v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling tiny_http v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling reddit-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/oauth.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         if let token = self.oauth_token.as_ref().unwrap() {
[INFO] [stdout] 54 | |             return token.access_token.clone();
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passed_seconds`
[INFO] [stdout]    --> src/oauth.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for passed_seconds in 0..wait_time {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed_seconds`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_response`
[INFO] [stdout]    --> src/oauth.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let final_response =
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comments`
[INFO] [stdout]    --> src/rvp_api.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let comments = self.get_thread_comments(&selected_post.permalink, 100, "", "");
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:214:63
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn previous_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:226:59
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn next_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:238:59
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn show_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rvp_api.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[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/rvp_api.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rvp_api.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut posts: Vec<RedditPost> =
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exit`
[INFO] [stdout]   --> src/error.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn exit(message: &str) -> Result<(), OAuthError> {
[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: `get_access_token`
[INFO] [stdout]   --> src/oauth.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_access_token(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `request_site`
[INFO] [stdout]    --> src/oauth.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn request_site(token: String, url: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_top_subreddit`
[INFO] [stdout]    --> src/rvp_api.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_top_subreddit(&mut self, amount: usize, subreddit: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_profile_info`
[INFO] [stdout]    --> src/rvp_api.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get_profile_info(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_url`
[INFO] [stdout]   --> src/rvp_ui.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oauth_base_url`
[INFO] [stdout]   --> src/rvp_ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     oauth_base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/oauth.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 tx_authentication.send(auth_box);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f66574b1ce888c0ba0f30a6b7739c8db1390445f7f86a28eb3bb4cb4d18aa249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66574b1ce888c0ba0f30a6b7739c8db1390445f7f86a28eb3bb4cb4d18aa249", kill_on_drop: false }`
[INFO] [stdout] f66574b1ce888c0ba0f30a6b7739c8db1390445f7f86a28eb3bb4cb4d18aa249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c8dcc7a6af4227b99fc3db33569067f0ab2eced753b160985ef3fdf6f55227ce
[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" "c8dcc7a6af4227b99fc3db33569067f0ab2eced753b160985ef3fdf6f55227ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling reddit-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/oauth.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         if let token = self.oauth_token.as_ref().unwrap() {
[INFO] [stdout] 54 | |             return token.access_token.clone();
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passed_seconds`
[INFO] [stdout]    --> src/oauth.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for passed_seconds in 0..wait_time {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed_seconds`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_response`
[INFO] [stdout]    --> src/oauth.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let final_response =
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comments`
[INFO] [stdout]    --> src/rvp_api.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let comments = self.get_thread_comments(&selected_post.permalink, 100, "", "");
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:214:63
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn previous_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:226:59
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn next_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/rvp_api.rs:238:59
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn show_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rvp_api.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[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/rvp_api.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rvp_api.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut posts: Vec<RedditPost> =
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exit`
[INFO] [stdout]   --> src/error.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn exit(message: &str) -> Result<(), OAuthError> {
[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: `get_access_token`
[INFO] [stdout]   --> src/oauth.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_access_token(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `request_site`
[INFO] [stdout]    --> src/oauth.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn request_site(token: String, url: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_top_subreddit`
[INFO] [stdout]    --> src/rvp_api.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_top_subreddit(&mut self, amount: usize, subreddit: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_profile_info`
[INFO] [stdout]    --> src/rvp_api.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get_profile_info(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_url`
[INFO] [stdout]   --> src/rvp_ui.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oauth_base_url`
[INFO] [stdout]   --> src/rvp_ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     oauth_base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/oauth.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 tx_authentication.send(auth_box);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "c8dcc7a6af4227b99fc3db33569067f0ab2eced753b160985ef3fdf6f55227ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dcc7a6af4227b99fc3db33569067f0ab2eced753b160985ef3fdf6f55227ce", kill_on_drop: false }`
[INFO] [stdout] c8dcc7a6af4227b99fc3db33569067f0ab2eced753b160985ef3fdf6f55227ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 83fa1523358475ade25124cfa697f25a5351d14a8a7d9aaccc757cd980913965
[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" "83fa1523358475ade25124cfa697f25a5351d14a8a7d9aaccc757cd980913965", 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] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/oauth.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         if let token = self.oauth_token.as_ref().unwrap() {
[INFO] [stderr] 54 | |             return token.access_token.clone();
[INFO] [stderr] 55 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `passed_seconds`
[INFO] [stderr]    --> src/oauth.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for passed_seconds in 0..wait_time {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed_seconds`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `final_response`
[INFO] [stderr]    --> src/oauth.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let final_response =
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_response`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comments`
[INFO] [stderr]    --> src/rvp_api.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let comments = self.get_thread_comments(&selected_post.permalink, 100, "", "");
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/rvp_api.rs:214:63
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn previous_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stderr]     |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/rvp_api.rs:226:59
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn next_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stderr]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/rvp_api.rs:238:59
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn show_posts(&mut self, history: &mut RedditHistory, command: &Command) {
[INFO] [stderr]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rvp_api.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/rvp_api.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut posts: Vec<RedditPost> = self.get_subreddit_posts(
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rvp_api.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let mut posts: Vec<RedditPost> =
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exit`
[INFO] [stderr]   --> src/error.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn exit(message: &str) -> Result<(), OAuthError> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_access_token`
[INFO] [stderr]   --> src/oauth.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_access_token(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request_site`
[INFO] [stderr]    --> src/oauth.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn request_site(token: String, url: String) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_top_subreddit`
[INFO] [stderr]    --> src/rvp_api.rs:293:12
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn get_top_subreddit(&mut self, amount: usize, subreddit: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_profile_info`
[INFO] [stderr]    --> src/rvp_api.rs:297:12
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn get_profile_info(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `base_url`
[INFO] [stderr]   --> src/rvp_ui.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     base_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `oauth_base_url`
[INFO] [stderr]   --> src/rvp_ui.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     oauth_base_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/oauth.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 tx_authentication.send(auth_box);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reddit_cli-25d761f4ddb439c8
[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" "83fa1523358475ade25124cfa697f25a5351d14a8a7d9aaccc757cd980913965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fa1523358475ade25124cfa697f25a5351d14a8a7d9aaccc757cd980913965", kill_on_drop: false }`
[INFO] [stdout] 83fa1523358475ade25124cfa697f25a5351d14a8a7d9aaccc757cd980913965
