[INFO] cloning repository https://github.com/cassaundra/backlight [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassaundra/backlight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fbacklight", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fbacklight'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac8c6029e1bb057ef2e7e05ce5e7057644a2bc46 [INFO] checking cassaundra/backlight against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fbacklight" "/workspace/builds/worker-95/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cassaundra/backlight on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cassaundra/backlight [INFO] finished tweaking git repo https://github.com/cassaundra/backlight [INFO] tweaked toml for git repo https://github.com/cassaundra/backlight written to /workspace/builds/worker-95/source/Cargo.toml [INFO] crate git repo https://github.com/cassaundra/backlight already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/cassaundra/launch-rs.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt v0.3.20 [INFO] [stderr] Downloaded structopt-derive v0.4.13 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded scrap v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5675cc4ad168d3a127b172d0db4430d084e0ed2f680850def6153bd6e93d0f9a [INFO] running `Command { std: "docker" "start" "-a" "5675cc4ad168d3a127b172d0db4430d084e0ed2f680850def6153bd6e93d0f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5675cc4ad168d3a127b172d0db4430d084e0ed2f680850def6153bd6e93d0f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5675cc4ad168d3a127b172d0db4430d084e0ed2f680850def6153bd6e93d0f9a", kill_on_drop: false }` [INFO] [stdout] 5675cc4ad168d3a127b172d0db4430d084e0ed2f680850def6153bd6e93d0f9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1081ace0db66bf6b3e440052a5dc8cd40f051c28c5f7f0f3199076645e8f18d5 [INFO] running `Command { std: "docker" "start" "-a" "1081ace0db66bf6b3e440052a5dc8cd40f051c28c5f7f0f3199076645e8f18d5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling syn v1.0.46 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling scrap v0.5.0 [INFO] [stderr] Checking memalloc v0.1.0 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking block v0.1.6 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking alsa v0.2.2 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking midir v0.5.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling palette v0.4.1 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling palette_derive v0.4.1 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking launchpad v1.0.0 (https://github.com/cassaundra/launch-rs.git#a912059d) [INFO] [stderr] Checking backlight v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 67 | / loop { [INFO] [stdout] 68 | | let t_a = Instant::now(); [INFO] [stdout] 69 | | [INFO] [stdout] 70 | | let buffer = match capturer.frame() { [INFO] [stdout] ... | [INFO] [stdout] 140 | | thread::sleep(Duration::from_millis(60)); [INFO] [stdout] 141 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 142 | [INFO] [stdout] 143 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t_a` [INFO] [stdout] --> src/main.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let t_a = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_t_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t_b` [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let t_b = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_t_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 67 | / loop { [INFO] [stdout] 68 | | let t_a = Instant::now(); [INFO] [stdout] 69 | | [INFO] [stdout] 70 | | let buffer = match capturer.frame() { [INFO] [stdout] ... | [INFO] [stdout] 140 | | thread::sleep(Duration::from_millis(60)); [INFO] [stdout] 141 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 142 | [INFO] [stdout] 143 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `brightness` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | brightness: f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `intensity` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | intensity: f32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fps` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | fps: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t_a` [INFO] [stdout] --> src/main.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let t_a = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_t_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t_b` [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let t_b = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_t_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `brightness` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | brightness: f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `intensity` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | intensity: f32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fps` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | fps: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 23s [INFO] running `Command { std: "docker" "inspect" "1081ace0db66bf6b3e440052a5dc8cd40f051c28c5f7f0f3199076645e8f18d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1081ace0db66bf6b3e440052a5dc8cd40f051c28c5f7f0f3199076645e8f18d5", kill_on_drop: false }` [INFO] [stdout] 1081ace0db66bf6b3e440052a5dc8cd40f051c28c5f7f0f3199076645e8f18d5