[INFO] cloning repository https://github.com/jeremybobbin/bar [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremybobbin/bar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fbar"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fbar'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8ea7fd3d2422bafc8942130f273c63c9615d8a19 [INFO] checking jeremybobbin/bar against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fbar" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremybobbin/bar on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jeremybobbin/bar [INFO] finished tweaking git repo https://github.com/jeremybobbin/bar [INFO] tweaked toml for git repo https://github.com/jeremybobbin/bar written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Updating git repository `https://github.com/jeremybobbin/jer_utils.git` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a1a4d70acb4defee3d9df255061430fc97f76d7ae2ec357f5b03287940355f7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "a1a4d70acb4defee3d9df255061430fc97f76d7ae2ec357f5b03287940355f7d"` [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking jer_utils v0.1.0 (https://github.com/jeremybobbin/jer_utils.git#66c44bdd) [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dbus v0.6.5 [INFO] [stderr] Checking mpd v0.0.12 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking notify-rust v3.6.3 [INFO] [stderr] Checking bar v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `reader` [INFO] [stderr] --> src/battery.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | reader [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/battery.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Error, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DirEntry`, `net::TcpStream`, `path::Path`, `self`, `self` [INFO] [stderr] --> src/network.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 11 | DirEntry, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 18 | path::Path, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 19 | [INFO] [stderr] 20 | net::TcpStream, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 21 | io::{ [INFO] [stderr] 22 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `net::TcpStream`, `self` [INFO] [stderr] --> src/music_player.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | net::TcpStream, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] 35 | Read [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `JoinHandle`, `self`, `sync::mpsc` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | JoinHandle, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 39 | sync::mpsc, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `reader` [INFO] [stderr] --> src/battery.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | reader [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/battery.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Error, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DirEntry`, `net::TcpStream`, `path::Path`, `self`, `self` [INFO] [stderr] --> src/network.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 11 | DirEntry, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 18 | path::Path, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 19 | [INFO] [stderr] 20 | net::TcpStream, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 21 | io::{ [INFO] [stderr] 22 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `net::TcpStream`, `self` [INFO] [stderr] --> src/music_player.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | net::TcpStream, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] 35 | Read [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `JoinHandle`, `self`, `sync::mpsc` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | JoinHandle, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 39 | sync::mpsc, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 139 | / loop { [INFO] [stderr] 140 | | bat.update()?; [INFO] [stderr] 141 | | net.update()?; [INFO] [stderr] 142 | | player.update(); [INFO] [stderr] ... | [INFO] [stderr] 163 | | thread::sleep(timeout); [INFO] [stderr] 164 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 165 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:21:35 [INFO] [stderr] | [INFO] [stderr] 21 | Error::IO(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:22:38 [INFO] [stderr] | [INFO] [stderr] 22 | Error::Parse(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:23:39 [INFO] [stderr] | [INFO] [stderr] 23 | Error::Notify(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:30:30 [INFO] [stderr] | [INFO] [stderr] 30 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | Read [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 139 | / loop { [INFO] [stderr] 140 | | bat.update()?; [INFO] [stderr] 141 | | net.update()?; [INFO] [stderr] 142 | | player.update(); [INFO] [stderr] ... | [INFO] [stderr] 163 | | thread::sleep(timeout); [INFO] [stderr] 164 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 165 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut handles = fs::read_dir(path)? [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | for mut path in handles { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/battery.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | let mut charging = fs::File::open(CHARGING)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/battery.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut capacity = fs::File::open(BAT_CAP)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:21:35 [INFO] [stderr] | [INFO] [stderr] 21 | Error::IO(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:22:38 [INFO] [stderr] | [INFO] [stderr] 22 | Error::Parse(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:23:39 [INFO] [stderr] | [INFO] [stderr] 23 | Error::Notify(err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:30:30 [INFO] [stderr] | [INFO] [stderr] 30 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut handles = read_dir(RX_BYTES)? [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_number` [INFO] [stderr] --> src/battery.rs:131:4 [INFO] [stderr] | [INFO] [stderr] 131 | fn get_number(reader: &mut R) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LID_STATE` [INFO] [stderr] --> src/config.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub static LID_STATE: &'static str = "/proc/acpi/button/lid/LID/state"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `lid_is_open` [INFO] [stderr] --> src/main.rs:104:4 [INFO] [stderr] | [INFO] [stderr] 104 | fn lid_is_open() -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | Read [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/music_player.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | tx.send((song, status.state)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/music_player.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | conn.wait(&subs[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut handles = fs::read_dir(path)? [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | for mut path in handles { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/battery.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | let mut charging = fs::File::open(CHARGING)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/battery.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut capacity = fs::File::open(BAT_CAP)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut handles = read_dir(RX_BYTES)? [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_number` [INFO] [stderr] --> src/battery.rs:131:4 [INFO] [stderr] | [INFO] [stderr] 131 | fn get_number(reader: &mut R) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LID_STATE` [INFO] [stderr] --> src/config.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub static LID_STATE: &'static str = "/proc/acpi/button/lid/LID/state"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `lid_is_open` [INFO] [stderr] --> src/main.rs:104:4 [INFO] [stderr] | [INFO] [stderr] 104 | fn lid_is_open() -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/music_player.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | tx.send((song, status.state)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/music_player.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | conn.wait(&subs[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 21 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 21 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.77s [INFO] running `"docker" "inspect" "a1a4d70acb4defee3d9df255061430fc97f76d7ae2ec357f5b03287940355f7d"` [INFO] running `"docker" "rm" "-f" "a1a4d70acb4defee3d9df255061430fc97f76d7ae2ec357f5b03287940355f7d"` [INFO] [stdout] a1a4d70acb4defee3d9df255061430fc97f76d7ae2ec357f5b03287940355f7d