[INFO] cloning repository https://github.com/NishantJoshi00/oled-display-driver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NishantJoshi00/oled-display-driver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Foled-display-driver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Foled-display-driver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eaa3caf217a008abe4c757c8c7a554584688787d [INFO] checking NishantJoshi00/oled-display-driver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Foled-display-driver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NishantJoshi00/oled-display-driver [INFO] finished tweaking git repo https://github.com/NishantJoshi00/oled-display-driver [INFO] tweaked toml for git repo https://github.com/NishantJoshi00/oled-display-driver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NishantJoshi00/oled-display-driver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NishantJoshi00/oled-display-driver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ada29f316b1a49e5d06d11145c62e126b36ca2825d9a1580264122cdd25cc47 [INFO] running `Command { std: "docker" "start" "-a" "7ada29f316b1a49e5d06d11145c62e126b36ca2825d9a1580264122cdd25cc47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ada29f316b1a49e5d06d11145c62e126b36ca2825d9a1580264122cdd25cc47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ada29f316b1a49e5d06d11145c62e126b36ca2825d9a1580264122cdd25cc47", kill_on_drop: false }` [INFO] [stdout] 7ada29f316b1a49e5d06d11145c62e126b36ca2825d9a1580264122cdd25cc47 [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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 694e945144507e081968e88ccbbd11c8c8bec998ed88bcc30a1f515b18a52e11 [INFO] running `Command { std: "docker" "start" "-a" "694e945144507e081968e88ccbbd11c8c8bec998ed88bcc30a1f515b18a52e11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking weezl v0.1.7 [INFO] [stderr] Compiling syn v2.0.50 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling sdl2 v0.35.2 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking micromath v2.1.0 [INFO] [stderr] Checking bytemuck v1.12.3 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking embedded-graphics-core v0.4.0 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking rayon v1.6.1 [INFO] [stderr] Checking embedded-graphics v0.8.1 [INFO] [stderr] Compiling ouroboros_macro v0.17.2 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking ouroboros v0.17.2 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking embedded-graphics-simulator v0.6.0 [INFO] [stderr] Checking display-driver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ImageRaw`, `Image`, `Rgb565`, and `transform::Transform` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | image::{Image, ImageRaw}, [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] 7 | mono_font::{ascii, MonoTextStyle}, [INFO] [stdout] 8 | pixelcolor::{BinaryColor, Rgb565}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | prelude::*, [INFO] [stdout] 10 | transform::Transform, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ImageRaw`, `Image`, `Rgb565`, and `transform::Transform` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | image::{Image, ImageRaw}, [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] 7 | mono_font::{ascii, MonoTextStyle}, [INFO] [stdout] 8 | pixelcolor::{BinaryColor, Rgb565}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | prelude::*, [INFO] [stdout] 10 | transform::Transform, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clear` is never used [INFO] [stdout] --> src/loader.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 20 | impl MockDisplay { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clear` is never used [INFO] [stdout] --> src/loader.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 20 | impl MockDisplay { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | text.draw(&mut *display).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | text.draw(&mut *display).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `display-driver` (bin "display-driver" test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `display-driver` (bin "display-driver") due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "694e945144507e081968e88ccbbd11c8c8bec998ed88bcc30a1f515b18a52e11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "694e945144507e081968e88ccbbd11c8c8bec998ed88bcc30a1f515b18a52e11", kill_on_drop: false }` [INFO] [stdout] 694e945144507e081968e88ccbbd11c8c8bec998ed88bcc30a1f515b18a52e11