[INFO] cloning repository https://github.com/idc101/slideshow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idc101/slideshow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidc101%2Fslideshow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidc101%2Fslideshow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08c6f44602532c72becd897c7b39472a57ace5be
[INFO] checking idc101/slideshow against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidc101%2Fslideshow" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/idc101/slideshow
[INFO] finished tweaking git repo https://github.com/idc101/slideshow
[INFO] tweaked toml for git repo https://github.com/idc101/slideshow written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/idc101/slideshow on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/idc101/slideshow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> backend/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test(state: &State<Arc<AppState>>) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> backend/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test(state: &State<Arc<AppState>>) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `settings` is never read
[INFO] [stdout]   --> backend/src/slideshow.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AppState {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub settings: Mutex<Settings>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_seed` and `get_current_image` are never used
[INFO] [stdout]   --> backend/src/slideshow.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl AppState {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn set_seed(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get_current_image(&self) -> PathBuf {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppState` is never constructed
[INFO] [stdout]   --> backend/src/slideshow.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AppState {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Settings` is never constructed
[INFO] [stdout]   --> backend/src/slideshow.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Settings {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageMetadata` is never constructed
[INFO] [stdout]   --> backend/src/slideshow.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ImageMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> backend/src/slideshow.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl AppState {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  37 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn set_seed(&self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn set_path(&self, pictures_base: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn get_current_image(&self) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub fn get_image(&self, num: i32) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn get_image_metadata(&self, num: i32) -> ImageMetadata {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn increment(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn get(&self) -> i32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn filename_to_description(filename: PathBuf, pictures_base: PathBuf) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "8d27c84477e89d0fcdfab8a6ab4b705880f3d59c24be352d0ca26bbecc4206a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d27c84477e89d0fcdfab8a6ab4b705880f3d59c24be352d0ca26bbecc4206a1", kill_on_drop: false }`
[INFO] [stdout] 8d27c84477e89d0fcdfab8a6ab4b705880f3d59c24be352d0ca26bbecc4206a1