[INFO] cloning repository https://github.com/richcallow/rradio_lcd_driver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richcallow/rradio_lcd_driver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichcallow%2Frradio_lcd_driver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichcallow%2Frradio_lcd_driver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e453ae68a80527e2ad77b984435a5ec7a3ff485b [INFO] checking richcallow/rradio_lcd_driver against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichcallow%2Frradio_lcd_driver" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richcallow/rradio_lcd_driver on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/richcallow/rradio_lcd_driver [INFO] finished tweaking git repo https://github.com/richcallow/rradio_lcd_driver [INFO] tweaked toml for git repo https://github.com/richcallow/rradio_lcd_driver written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/richcallow/rradio_lcd_driver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--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/sammhicks/internet-radio-rs` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gpio-cdev v0.4.0 [INFO] [stderr] Downloaded clerk v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f185208ff922f903bb599db1ec17de0da18ded3106e96846773fdb3c28499dbd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f185208ff922f903bb599db1ec17de0da18ded3106e96846773fdb3c28499dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f185208ff922f903bb599db1ec17de0da18ded3106e96846773fdb3c28499dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f185208ff922f903bb599db1ec17de0da18ded3106e96846773fdb3c28499dbd", kill_on_drop: false }` [INFO] [stdout] f185208ff922f903bb599db1ec17de0da18ded3106e96846773fdb3c28499dbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b231d328b5d5e83934fb65b4da6d810866802a5f1b7f5970072ef47c369503b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b231d328b5d5e83934fb65b4da6d810866802a5f1b7f5970072ef47c369503b0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.46 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.20 [INFO] [stderr] Checking pnet_base v0.26.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling pnet v0.26.0 [INFO] [stderr] Checking unidecode v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking pnet_sys v0.26.0 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking clerk v0.4.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking pnet_macros_support v0.26.0 [INFO] [stderr] Compiling aho-corasick v0.7.14 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling regex v1.4.1 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking gpio-cdev v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.26.0 [INFO] [stderr] Checking ipnetwork v0.16.0 [INFO] [stderr] Checking rradio-messages v0.6.0 (https://github.com/sammhicks/internet-radio-rs#836a63ee) [INFO] [stderr] Checking rmp-serde v0.14.4 [INFO] [stderr] Checking toml v0.5.7 [INFO] [stderr] Checking pnet_datalink v0.26.0 [INFO] [stderr] Compiling pnet_packet v0.26.0 [INFO] [stderr] Checking pnet_transport v0.26.0 [INFO] [stderr] Checking rradio_lcd_driver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `pipe_line_state` is assigned to, but never used [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut pipe_line_state: PipelineState = PipelineState::VoidPending; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_pipe_line_state` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `volume` is assigned to, but never used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut volume: i32 = -1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_volume` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_track_index` is never read [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut current_track_index: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pipe_line_state` is never read [INFO] [stdout] --> src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | pipe_line_state = pipeline_state; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `volume` is never read [INFO] [stdout] --> src/main.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | volume = volume_in; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_utf8` [INFO] [stdout] --> src/lcd_screen/mod.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn write_utf8(&mut self, line: LCDLineNumbers, position: u8, string: String) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_line` [INFO] [stdout] --> src/lcd_screen/mod.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn write_line(&mut self, line: LCDLineNumbers, length: usize, string: String) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_volume` [INFO] [stdout] --> src/main.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | fn print_volume(pipe_line_state: PipelineState, volume: i32, mut lcd: lcd_screen::LcdScreen) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `pipe_line_state` is assigned to, but never used [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut pipe_line_state: PipelineState = PipelineState::VoidPending; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_pipe_line_state` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `volume` is assigned to, but never used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut volume: i32 = -1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_volume` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_track_index` is never read [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut current_track_index: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pipe_line_state` is never read [INFO] [stdout] --> src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | pipe_line_state = pipeline_state; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `volume` is never read [INFO] [stdout] --> src/main.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | volume = volume_in; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_utf8` [INFO] [stdout] --> src/lcd_screen/mod.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn write_utf8(&mut self, line: LCDLineNumbers, position: u8, string: String) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_line` [INFO] [stdout] --> src/lcd_screen/mod.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn write_line(&mut self, line: LCDLineNumbers, length: usize, string: String) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 52s [INFO] running `Command { std: "docker" "inspect" "b231d328b5d5e83934fb65b4da6d810866802a5f1b7f5970072ef47c369503b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b231d328b5d5e83934fb65b4da6d810866802a5f1b7f5970072ef47c369503b0", kill_on_drop: false }` [INFO] [stdout] b231d328b5d5e83934fb65b4da6d810866802a5f1b7f5970072ef47c369503b0