[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] 7606313b0d783cbbd0ef1d70fbd71b9a8f692c95
[INFO] testing idc101/slideshow against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidc101%2Fslideshow" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/idc101/slideshow on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c280717e81d4c73ce2d1ced646c88a92335d75bf8df776472a1e5b9fde949a9
[INFO] running `Command { std: "docker" "start" "-a" "9c280717e81d4c73ce2d1ced646c88a92335d75bf8df776472a1e5b9fde949a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c280717e81d4c73ce2d1ced646c88a92335d75bf8df776472a1e5b9fde949a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c280717e81d4c73ce2d1ced646c88a92335d75bf8df776472a1e5b9fde949a9", kill_on_drop: false }`
[INFO] [stdout] 9c280717e81d4c73ce2d1ced646c88a92335d75bf8df776472a1e5b9fde949a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecb15248f9348e786e2f56645835f3f74428f5b1369765a7a0f40bcc2e4b15d
[INFO] running `Command { std: "docker" "start" "-a" "1ecb15248f9348e786e2f56645835f3f74428f5b1369765a7a0f40bcc2e4b15d", 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: 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]  55 |     pub fn set_seed(&self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     pub fn set_path(&self, pictures_base: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn get_current_image(&self) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn get_image(&self, num: i32) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_image_metadata(&self, num: i32) -> ImageMetadata {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn increment(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn get(&self) -> i32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn filename_to_description(filename: PathBuf, pictures_base: PathBuf) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "1ecb15248f9348e786e2f56645835f3f74428f5b1369765a7a0f40bcc2e4b15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecb15248f9348e786e2f56645835f3f74428f5b1369765a7a0f40bcc2e4b15d", kill_on_drop: false }`
[INFO] [stdout] 1ecb15248f9348e786e2f56645835f3f74428f5b1369765a7a0f40bcc2e4b15d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c854593fdc83d0dfff65ff9d4ac16c5c5890a231be4d4094b502f1e305f6bfc
[INFO] running `Command { std: "docker" "start" "-a" "0c854593fdc83d0dfff65ff9d4ac16c5c5890a231be4d4094b502f1e305f6bfc", kill_on_drop: false }`
[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] [stderr]    Compiling backend v0.1.0 (/opt/rustwide/workdir/backend)
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[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:55:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl AppState {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn set_seed(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn get_current_image(&self) -> PathBuf {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "0c854593fdc83d0dfff65ff9d4ac16c5c5890a231be4d4094b502f1e305f6bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c854593fdc83d0dfff65ff9d4ac16c5c5890a231be4d4094b502f1e305f6bfc", kill_on_drop: false }`
[INFO] [stdout] 0c854593fdc83d0dfff65ff9d4ac16c5c5890a231be4d4094b502f1e305f6bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf4ccc16ea03c1cf6d712b550852bdabcfbd1fb18226dcb02b734c4448d4f3fe
[INFO] running `Command { std: "docker" "start" "-a" "cf4ccc16ea03c1cf6d712b550852bdabcfbd1fb18226dcb02b734c4448d4f3fe", kill_on_drop: false }`
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> backend/src/lib.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn test(state: &State<Arc<AppState>>) -> String {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backend` (lib) generated 1 warning
[INFO] [stderr] warning: field `settings` is never read
[INFO] [stderr]   --> backend/src/slideshow.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct AppState {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub settings: Mutex<Settings>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_seed` and `get_current_image` are never used
[INFO] [stderr]   --> backend/src/slideshow.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl AppState {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn set_seed(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 89 |     pub fn get_current_image(&self) -> PathBuf {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `backend` (bin "backend" test) generated 2 warnings
[INFO] [stderr] warning: `backend` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backend-a2161bac5089d909)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test slideshow::tests::test_get_image ... ok
[INFO] [stdout] test slideshow::tests::test_counter ... ok
[INFO] [stdout] test slideshow::tests::test_metadata ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/backend-74c0a8e949fa2f21)
[INFO] [stdout] test slideshow::tests::test_filename_to_description ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test slideshow::tests::test_counter ... ok
[INFO] [stdout] test slideshow::tests::test_get_image ... ok
[INFO] [stdout] test slideshow::tests::test_metadata ... ok
[INFO] [stdout] test slideshow::tests::test_filename_to_description ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/frontend-6437b2c15024406a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xtask-67602abad774a5a3)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backend
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf4ccc16ea03c1cf6d712b550852bdabcfbd1fb18226dcb02b734c4448d4f3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4ccc16ea03c1cf6d712b550852bdabcfbd1fb18226dcb02b734c4448d4f3fe", kill_on_drop: false }`
[INFO] [stdout] cf4ccc16ea03c1cf6d712b550852bdabcfbd1fb18226dcb02b734c4448d4f3fe