[INFO] cloning repository https://github.com/Krahuschluk/rust-flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Krahuschluk/rust-flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f55a3566add7b14dd08425ea633d1cd729206cd1
[INFO] checking Krahuschluk/rust-flashcards/f55a3566add7b14dd08425ea633d1cd729206cd1 against master#55e86c996809902e8bbad512cfb4d2c18be446d9 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Krahuschluk/rust-flashcards
[INFO] finished tweaking git repo https://github.com/Krahuschluk/rust-flashcards
[INFO] tweaked toml for git repo https://github.com/Krahuschluk/rust-flashcards written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Krahuschluk/rust-flashcards on toolchain 55e86c996809902e8bbad512cfb4d2c18be446d9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Krahuschluk/rust-flashcards 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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/app.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             default => {}
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut content = Column::new()
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/app.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             default => Container::new(Column::new()).into(),
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `FlashcardState` is more private than the item `FlashcardApp::Flashcard::0`
[INFO] [stdout]   --> src/app.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout]  9 |     Flashcard(FlashcardState),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ field `FlashcardApp::Flashcard::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `FlashcardState` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/app.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct FlashcardState {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Menu` and `Database` are never constructed
[INFO] [stdout]   --> src/app.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum FlashcardApp {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  8 |     Menu,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Flashcard(FlashcardState),
[INFO] [stdout] 10 |     Database,
[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 `db` is never read
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct FlashcardState {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 14 |     index: usize,
[INFO] [stdout] 15 |     db: Database,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/app.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn view(&mut self) -> Element<Message> {
[INFO] [stdout]    |             ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn view(&mut self) -> Element<'_, Message> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/app.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             default => {}
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut content = Column::new()
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/app.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             default => Container::new(Column::new()).into(),
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `FlashcardState` is more private than the item `FlashcardApp::Flashcard::0`
[INFO] [stdout]   --> src/app.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout]  9 |     Flashcard(FlashcardState),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ field `FlashcardApp::Flashcard::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `FlashcardState` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/app.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct FlashcardState {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Menu` and `Database` are never constructed
[INFO] [stdout]   --> src/app.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum FlashcardApp {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  8 |     Menu,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Flashcard(FlashcardState),
[INFO] [stdout] 10 |     Database,
[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 `db` is never read
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct FlashcardState {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 14 |     index: usize,
[INFO] [stdout] 15 |     db: Database,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/app.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn view(&mut self) -> Element<Message> {
[INFO] [stdout]    |             ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn view(&mut self) -> Element<'_, Message> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.11s
[INFO] running `Command { std: "docker" "inspect" "307644c9354bd4895cb70623446771c6204e40f9a4bfbf2a631c1aa0c22bd153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307644c9354bd4895cb70623446771c6204e40f9a4bfbf2a631c1aa0c22bd153", kill_on_drop: false }`
[INFO] [stdout] 307644c9354bd4895cb70623446771c6204e40f9a4bfbf2a631c1aa0c22bd153
