[INFO] fetching crate cheval 0.2.0-alpha...
[INFO] testing cheval-0.2.0-alpha against 1.75.0 for beta-1.76-1
[INFO] extracting crate cheval 0.2.0-alpha into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cheval 0.2.0-alpha on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate cheval 0.2.0-alpha
[INFO] finished tweaking crates.io crate cheval 0.2.0-alpha
[INFO] tweaked toml for crates.io crate cheval 0.2.0-alpha written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cheval 0.2.0-alpha 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" "+1.75.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9342c3a1c5e693ea9c4fca63b447488f07fabe4ef9b14ca399ab4ee0ea3e890
[INFO] running `Command { std: "docker" "start" "-a" "f9342c3a1c5e693ea9c4fca63b447488f07fabe4ef9b14ca399ab4ee0ea3e890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9342c3a1c5e693ea9c4fca63b447488f07fabe4ef9b14ca399ab4ee0ea3e890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9342c3a1c5e693ea9c4fca63b447488f07fabe4ef9b14ca399ab4ee0ea3e890", kill_on_drop: false }`
[INFO] [stdout] f9342c3a1c5e693ea9c4fca63b447488f07fabe4ef9b14ca399ab4ee0ea3e890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbbecffa2c863dc9b3e6dc6523f99da2670485c70bf6367e70e094b5235ad9e7
[INFO] running `Command { std: "docker" "start" "-a" "cbbecffa2c863dc9b3e6dc6523f99da2670485c70bf6367e70e094b5235ad9e7", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "cbbecffa2c863dc9b3e6dc6523f99da2670485c70bf6367e70e094b5235ad9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbecffa2c863dc9b3e6dc6523f99da2670485c70bf6367e70e094b5235ad9e7", kill_on_drop: false }`
[INFO] [stdout] cbbecffa2c863dc9b3e6dc6523f99da2670485c70bf6367e70e094b5235ad9e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 702f736a19c038e264fe56628637d302783deb75d3e71f38cf4265ff8a66a61a
[INFO] running `Command { std: "docker" "start" "-a" "702f736a19c038e264fe56628637d302783deb75d3e71f38cf4265ff8a66a61a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cheval v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "702f736a19c038e264fe56628637d302783deb75d3e71f38cf4265ff8a66a61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702f736a19c038e264fe56628637d302783deb75d3e71f38cf4265ff8a66a61a", kill_on_drop: false }`
[INFO] [stdout] 702f736a19c038e264fe56628637d302783deb75d3e71f38cf4265ff8a66a61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7f339b0cc098c79764fcc17a63ee742d9f9e657a340019cd0f9fffd95b221a8
[INFO] running `Command { std: "docker" "start" "-a" "b7f339b0cc098c79764fcc17a63ee742d9f9e657a340019cd0f9fffd95b221a8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `futures::select`
[INFO] [stderr]  --> src/file_cache.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::select;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `window_layout::WindowLayout`
[INFO] [stderr]    --> src/window.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | use window_layout::WindowLayout;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stderr]    --> src/window.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:780:11
[INFO] [stderr]     |
[INFO] [stderr] 780 |         let mut old_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:781:11
[INFO] [stderr]     |
[INFO] [stderr] 781 |         let mut new_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:809:11
[INFO] [stderr]     |
[INFO] [stderr] 809 |         let mut old_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]   --> src/window.rs:62:3
[INFO] [stderr]    |
[INFO] [stderr] 62 |         window_title: &str,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_mode`
[INFO] [stderr]   --> src/window.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 |         window_mode: &WindowMode,
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: method `base_path` is never used
[INFO] [stderr]    --> src/file_cache.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 408 | impl FileCacheInternal {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `load` and `save` are never used
[INFO] [stderr]   --> src/window/window_layout.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl WindowLayout {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/file_cache.rs:284:8
[INFO] [stderr]     |
[INFO] [stderr] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/image_element.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cheval` (lib) generated 12 warnings (run `cargo fix --lib -p cheval` to apply 5 suggestions)
[INFO] [stderr] warning: `cheval` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cheval-332a8612d46a0fed)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_in_poll_mode_with_block_on_initial_load_enabled ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_with_block_on_initial_load_enabled ... ok
[INFO] [stdout] test context::tests::select_next_variable_without_prefix ... ok
[INFO] [stdout] test context::tests::select_next_variable_works_without_variables ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test pixel::tests::apply_alpha_works ... ok
[INFO] [stdout] test context::tests::select_next_variable_with_prefix ... ok
[INFO] [stdout] test pixel::tests::blending_with_alpha_works ... ok
[INFO] [stdout] test pixel::tests::mix_byte_works ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_with_block_on_initial_load_disabled ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_in_poll_mode_with_block_on_initial_load_disabled ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b7f339b0cc098c79764fcc17a63ee742d9f9e657a340019cd0f9fffd95b221a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f339b0cc098c79764fcc17a63ee742d9f9e657a340019cd0f9fffd95b221a8", kill_on_drop: false }`
[INFO] [stdout] b7f339b0cc098c79764fcc17a63ee742d9f9e657a340019cd0f9fffd95b221a8
[INFO] testing cheval-0.2.0-alpha against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate cheval 0.2.0-alpha into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cheval 0.2.0-alpha on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate cheval 0.2.0-alpha
[INFO] finished tweaking crates.io crate cheval 0.2.0-alpha
[INFO] tweaked toml for crates.io crate cheval 0.2.0-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate cheval 0.2.0-alpha 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 571d4d0ae29f68c6c4fe0f4aa9556bf2d00727f446d210e8b2b4d788f5749517
[INFO] running `Command { std: "docker" "start" "-a" "571d4d0ae29f68c6c4fe0f4aa9556bf2d00727f446d210e8b2b4d788f5749517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571d4d0ae29f68c6c4fe0f4aa9556bf2d00727f446d210e8b2b4d788f5749517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571d4d0ae29f68c6c4fe0f4aa9556bf2d00727f446d210e8b2b4d788f5749517", kill_on_drop: false }`
[INFO] [stdout] 571d4d0ae29f68c6c4fe0f4aa9556bf2d00727f446d210e8b2b4d788f5749517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3a22ce1d84ce1d3f8d03228183355ef25891f563a4bd4fab21a4d9227a22c2
[INFO] running `Command { std: "docker" "start" "-a" "1d3a22ce1d84ce1d3f8d03228183355ef25891f563a4bd4fab21a4d9227a22c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.24
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling local-waker v0.1.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling lexical-core v0.4.8
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling firestorm v0.5.0
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[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling async-trait v0.1.53
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[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling cheval v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mio-extras v2.0.6
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[INFO] [stderr]    Compiling url v2.2.2
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[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
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[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]    Compiling actix-http v3.0.4
[INFO] [stderr]    Compiling actix-web v4.0.1
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "1d3a22ce1d84ce1d3f8d03228183355ef25891f563a4bd4fab21a4d9227a22c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3a22ce1d84ce1d3f8d03228183355ef25891f563a4bd4fab21a4d9227a22c2", kill_on_drop: false }`
[INFO] [stdout] 1d3a22ce1d84ce1d3f8d03228183355ef25891f563a4bd4fab21a4d9227a22c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c42e2fd77d2331e94233afe68c57d21c684a049a266461061959144bb962125
[INFO] running `Command { std: "docker" "start" "-a" "3c42e2fd77d2331e94233afe68c57d21c684a049a266461061959144bb962125", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cheval v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/file_cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayout`
[INFO] [stdout]    --> src/window.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | use window_layout::WindowLayout;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stdout]    --> src/window.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:780:11
[INFO] [stdout]     |
[INFO] [stdout] 780 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:781:11
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let mut new_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_page_no` is never read
[INFO] [stdout]    --> src/cheval.rs:809:11
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let mut old_page_no = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]   --> src/window.rs:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 |         window_title: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_mode`
[INFO] [stdout]   --> src/window.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 |         window_mode: &WindowMode,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `base_path` is never used
[INFO] [stdout]    --> src/file_cache.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl FileCacheInternal {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load` and `save` are never used
[INFO] [stdout]   --> src/window/window_layout.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WindowLayout {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file_cache.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image_element.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "3c42e2fd77d2331e94233afe68c57d21c684a049a266461061959144bb962125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c42e2fd77d2331e94233afe68c57d21c684a049a266461061959144bb962125", kill_on_drop: false }`
[INFO] [stdout] 3c42e2fd77d2331e94233afe68c57d21c684a049a266461061959144bb962125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6252cac0c46550d4616019e9966ab2fdab13863067ff6252632b1f0696e63f67
[INFO] running `Command { std: "docker" "start" "-a" "6252cac0c46550d4616019e9966ab2fdab13863067ff6252632b1f0696e63f67", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `futures::select`
[INFO] [stderr]  --> src/file_cache.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::select;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `window_layout::WindowLayout`
[INFO] [stderr]    --> src/window.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | use window_layout::WindowLayout;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `window_layout::WindowLayoutWindowConfig`
[INFO] [stderr]    --> src/window.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | use window_layout::WindowLayoutWindowConfig;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:780:11
[INFO] [stderr]     |
[INFO] [stderr] 780 |         let mut old_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:781:11
[INFO] [stderr]     |
[INFO] [stderr] 781 |         let mut new_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_page_no` is never read
[INFO] [stderr]    --> src/cheval.rs:809:11
[INFO] [stderr]     |
[INFO] [stderr] 809 |         let mut old_page_no = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]   --> src/window.rs:62:3
[INFO] [stderr]    |
[INFO] [stderr] 62 |         window_title: &str,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_mode`
[INFO] [stderr]   --> src/window.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 |         window_mode: &WindowMode,
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: method `base_path` is never used
[INFO] [stderr]    --> src/file_cache.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 408 | impl FileCacheInternal {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 454 |     pub fn base_path(&self) -> &Path {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `load` and `save` are never used
[INFO] [stderr]   --> src/window/window_layout.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl WindowLayout {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn load(&mut self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn save(&self, filename: &Path) -> anyhow::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/file_cache.rs:284:8
[INFO] [stderr]     |
[INFO] [stderr] 284 | ...                   internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 284 |                             let _ = internal.lock().unwrap().update_entry(&full_path, entry); //?;
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/image_element.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self.image_sequence.load(context.file_cache()); //?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = self.image_sequence.load(context.file_cache()); //?;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cheval` (lib) generated 12 warnings (run `cargo fix --lib -p cheval` to apply 5 suggestions)
[INFO] [stderr] warning: `cheval` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cheval-3b17233ea30e5a5f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test context::tests::select_next_variable_with_prefix ... ok
[INFO] [stdout] test context::tests::select_next_variable_without_prefix ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_with_block_on_initial_load_enabled ... ok
[INFO] [stdout] test context::tests::select_next_variable_works_without_variables ... ok
[INFO] [stdout] test pixel::tests::apply_alpha_works ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test pixel::tests::mix_byte_works ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test pixel::tests::blending_with_alpha_works ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_in_poll_mode_with_block_on_initial_load_enabled ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled ... FAILED
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_with_block_on_initial_load_disabled ... ok
[INFO] [stdout] test file_cache::test::file_cache_can_load_file_in_poll_mode_with_block_on_initial_load_disabled ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] ---- file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file_cache::test::file_cache_can_load_and_update_file_in_poll_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_load_and_update_file_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_for_binary_file_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_for_binary_file_out_of_tree_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout]     file_cache::test::file_cache_can_update_vector_clock_in_watch_mode_with_block_on_initial_load_disabled
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "6252cac0c46550d4616019e9966ab2fdab13863067ff6252632b1f0696e63f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6252cac0c46550d4616019e9966ab2fdab13863067ff6252632b1f0696e63f67", kill_on_drop: false }`
[INFO] [stdout] 6252cac0c46550d4616019e9966ab2fdab13863067ff6252632b1f0696e63f67
