[INFO] fetching crate scroll_phat_hd 0.3.2... [INFO] testing scroll_phat_hd-0.3.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate scroll_phat_hd 0.3.2 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking crates.io crate scroll_phat_hd 0.3.2 [INFO] finished tweaking crates.io crate scroll_phat_hd 0.3.2 [INFO] tweaked toml for crates.io crate scroll_phat_hd 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scroll_phat_hd 0.3.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding i2cdev v0.3.2 (available: v0.6.1) [INFO] [stderr] Adding termion v1.5.6 (available: v4.0.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a309d1d7a981a3c83d1dc5e2bf2a3bf49e15af3e562dfb38634872587a4b390 [INFO] running `Command { std: "docker" "start" "-a" "9a309d1d7a981a3c83d1dc5e2bf2a3bf49e15af3e562dfb38634872587a4b390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a309d1d7a981a3c83d1dc5e2bf2a3bf49e15af3e562dfb38634872587a4b390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a309d1d7a981a3c83d1dc5e2bf2a3bf49e15af3e562dfb38634872587a4b390", kill_on_drop: false }` [INFO] [stdout] 9a309d1d7a981a3c83d1dc5e2bf2a3bf49e15af3e562dfb38634872587a4b390 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 146aec737a6b49377d1ce185adc24834e4ad6c79d40b346029ee52165f6887f0 [INFO] running `Command { std: "docker" "start" "-a" "146aec737a6b49377d1ce185adc24834e4ad6c79d40b346029ee52165f6887f0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling camino v1.2.1 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling unicase v2.8.1 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling bytecount v0.6.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling cargo-platform v0.1.9 [INFO] [stderr] Compiling cargo_metadata v0.14.2 [INFO] [stderr] Compiling skeptic v0.13.7 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Compiling scroll_phat_hd v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:21:22 [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut Display, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut dyn Display, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut Display) -> Scroller<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut dyn Display) -> Scroller<'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | self.bank(bank); [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] 77 | let _ = self.bank(bank); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | self.sleep(true); [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] 86 | let _ = self.sleep(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | self.sleep(false); [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] 88 | let _ = self.sleep(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | self.bank(new_frame); [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] 102 | let _ = self.bank(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | / self.device [INFO] [stdout] 115 | | .smbus_write_byte_data(COLOR_OFFSET + offset as u8, value); [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] 114 | let _ = self.device [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | self.frame(new_frame); [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] 118 | let _ = self.frame(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.87s [INFO] running `Command { std: "docker" "inspect" "146aec737a6b49377d1ce185adc24834e4ad6c79d40b346029ee52165f6887f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "146aec737a6b49377d1ce185adc24834e4ad6c79d40b346029ee52165f6887f0", kill_on_drop: false }` [INFO] [stdout] 146aec737a6b49377d1ce185adc24834e4ad6c79d40b346029ee52165f6887f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c14ad8a3dbaf0e301a090cf2be70510c5a4e2a13cd4651875d1d4f63f274d66 [INFO] running `Command { std: "docker" "start" "-a" "5c14ad8a3dbaf0e301a090cf2be70510c5a4e2a13cd4651875d1d4f63f274d66", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:21:22 [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut Display, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut dyn Display, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut Display) -> Scroller<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut dyn Display) -> Scroller<'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | self.bank(bank); [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] 77 | let _ = self.bank(bank); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | self.sleep(true); [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] 86 | let _ = self.sleep(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | self.sleep(false); [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] 88 | let _ = self.sleep(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | self.bank(new_frame); [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] 102 | let _ = self.bank(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | / self.device [INFO] [stdout] 115 | | .smbus_write_byte_data(COLOR_OFFSET + offset as u8, value); [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] 114 | let _ = self.device [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | self.frame(new_frame); [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] 118 | let _ = self.frame(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scroll_phat_hd v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:21:22 [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut Display, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | display: &'a mut dyn Display, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scroller.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut Display) -> Scroller<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(display: &'a mut dyn Display) -> Scroller<'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | self.bank(bank); [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] 77 | let _ = self.bank(bank); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | self.sleep(true); [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] 86 | let _ = self.sleep(true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | self.sleep(false); [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] 88 | let _ = self.sleep(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | self.bank(new_frame); [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] 102 | let _ = self.bank(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | / self.device [INFO] [stdout] 115 | | .smbus_write_byte_data(COLOR_OFFSET + offset as u8, value); [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] 114 | let _ = self.device [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | self.frame(new_frame); [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] 118 | let _ = self.frame(new_frame); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "5c14ad8a3dbaf0e301a090cf2be70510c5a4e2a13cd4651875d1d4f63f274d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c14ad8a3dbaf0e301a090cf2be70510c5a4e2a13cd4651875d1d4f63f274d66", kill_on_drop: false }` [INFO] [stdout] 5c14ad8a3dbaf0e301a090cf2be70510c5a4e2a13cd4651875d1d4f63f274d66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8e1cc5657bad550f0c65a1f61d5ef9aa41b419fd714faa199595d1c996ce9235 [INFO] running `Command { std: "docker" "start" "-a" "8e1cc5657bad550f0c65a1f61d5ef9aa41b419fd714faa199595d1c996ce9235", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/scroller.rs:21:22 [INFO] [stderr] | [INFO] [stderr] 21 | display: &'a mut Display, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 21 | display: &'a mut dyn Display, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/scroller.rs:26:33 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(display: &'a mut Display) -> Scroller<'a> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(display: &'a mut dyn Display) -> Scroller<'a> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 63 | let _ = display.register(CONFIG_BANK, MODE_REGISTER, PICTURE_MODE); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | self.bank(bank); [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] 77 | let _ = self.bank(bank); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | self.sleep(true); [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] 86 | let _ = self.sleep(true); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | self.sleep(false); [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] 88 | let _ = self.sleep(false); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | self.bank(new_frame); [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] 102 | let _ = self.bank(new_frame); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:114:17 [INFO] [stderr] | [INFO] [stderr] 114 | / self.device [INFO] [stderr] 115 | | .smbus_write_byte_data(COLOR_OFFSET + offset as u8, value); [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] 114 | let _ = self.device [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/display.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 118 | self.frame(new_frame); [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] 118 | let _ = self.frame(new_frame); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `scroll_phat_hd` (lib) generated 9 warnings (run `cargo fix --lib -p scroll_phat_hd` to apply 2 suggestions) [INFO] [stderr] warning: `scroll_phat_hd` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scroll_phat_hd-b7c83d432a5c89ad) [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 scroll_phat_hd [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8e1cc5657bad550f0c65a1f61d5ef9aa41b419fd714faa199595d1c996ce9235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e1cc5657bad550f0c65a1f61d5ef9aa41b419fd714faa199595d1c996ce9235", kill_on_drop: false }` [INFO] [stdout] 8e1cc5657bad550f0c65a1f61d5ef9aa41b419fd714faa199595d1c996ce9235