[INFO] cloning repository https://github.com/speratus/devboot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/speratus/devboot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6089c4779694c8d4cb708db35fafe1fabf74fceb [INFO] checking speratus/devboot against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/speratus/devboot on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/speratus/devboot [INFO] finished tweaking git repo https://github.com/speratus/devboot [INFO] tweaked toml for git repo https://github.com/speratus/devboot written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/speratus/devboot 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dirs-sys-next v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c6402fd0796c986d82e32d029fde5f9c35028f3a5935eb64e7207602800dd91 [INFO] running `Command { std: "docker" "start" "-a" "4c6402fd0796c986d82e32d029fde5f9c35028f3a5935eb64e7207602800dd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c6402fd0796c986d82e32d029fde5f9c35028f3a5935eb64e7207602800dd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6402fd0796c986d82e32d029fde5f9c35028f3a5935eb64e7207602800dd91", kill_on_drop: false }` [INFO] [stdout] 4c6402fd0796c986d82e32d029fde5f9c35028f3a5935eb64e7207602800dd91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c8b6ebe32c25f1b52cf1ecbcf4902b7d425775727c369924c86b523b8f5d57c [INFO] running `Command { std: "docker" "start" "-a" "1c8b6ebe32c25f1b52cf1ecbcf4902b7d425775727c369924c86b523b8f5d57c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking devboot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let matches = App::new("devboot") [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/environ.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Environ { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 23 | fn open_file(file_path: &String) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn open_proc(&self) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn load_cmds(reader: BufReader) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn strs_to_cmds(cmd_strs: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn read_proc(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn save(&self, file_path: &String) -> io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn read(file_path: &String, name: &String) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn new(name: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn push_arg(&mut self, arg: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmdLine` is never constructed [INFO] [stdout] --> src/cmdline.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct CmdLine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `parse_str` is never used [INFO] [stdout] --> src/cmdline.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl CmdLine { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 8 | pub fn parse_str(cmd_line: &String) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let matches = App::new("devboot") [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/environ.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Environ { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 23 | fn open_file(file_path: &String) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn open_proc(&self) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn load_cmds(reader: BufReader) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn strs_to_cmds(cmd_strs: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn read_proc(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn save(&self, file_path: &String) -> io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn read(file_path: &String, name: &String) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn new(name: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn push_arg(&mut self, arg: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmdLine` is never constructed [INFO] [stdout] --> src/cmdline.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct CmdLine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `parse_str` is never used [INFO] [stdout] --> src/cmdline.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl CmdLine { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 8 | pub fn parse_str(cmd_line: &String) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s [INFO] running `Command { std: "docker" "inspect" "1c8b6ebe32c25f1b52cf1ecbcf4902b7d425775727c369924c86b523b8f5d57c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c8b6ebe32c25f1b52cf1ecbcf4902b7d425775727c369924c86b523b8f5d57c", kill_on_drop: false }` [INFO] [stdout] 1c8b6ebe32c25f1b52cf1ecbcf4902b7d425775727c369924c86b523b8f5d57c [INFO] checking speratus/devboot against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/speratus/devboot on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/speratus/devboot [INFO] finished tweaking git repo https://github.com/speratus/devboot [INFO] tweaked toml for git repo https://github.com/speratus/devboot written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/speratus/devboot 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2789232bc62c1feb1c5e61fb8e6ce3a63e642a1d00ea94d5ba11de30f32e3ed2 [INFO] running `Command { std: "docker" "start" "-a" "2789232bc62c1feb1c5e61fb8e6ce3a63e642a1d00ea94d5ba11de30f32e3ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2789232bc62c1feb1c5e61fb8e6ce3a63e642a1d00ea94d5ba11de30f32e3ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2789232bc62c1feb1c5e61fb8e6ce3a63e642a1d00ea94d5ba11de30f32e3ed2", kill_on_drop: false }` [INFO] [stdout] 2789232bc62c1feb1c5e61fb8e6ce3a63e642a1d00ea94d5ba11de30f32e3ed2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09092780ae5f242a866cefa88b11d03374216c61abba57b5b08abf42c3fac1c9 [INFO] running `Command { std: "docker" "start" "-a" "09092780ae5f242a866cefa88b11d03374216c61abba57b5b08abf42c3fac1c9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking devboot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let matches = App::new("devboot") [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/environ.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Environ { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 23 | fn open_file(file_path: &String) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn open_proc(&self) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn load_cmds(reader: BufReader) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn strs_to_cmds(cmd_strs: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn read_proc(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn save(&self, file_path: &String) -> io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn read(file_path: &String, name: &String) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn new(name: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn push_arg(&mut self, arg: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmdLine` is never constructed [INFO] [stdout] --> src/cmdline.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct CmdLine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `parse_str` is never used [INFO] [stdout] --> src/cmdline.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl CmdLine { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 8 | pub fn parse_str(cmd_line: &String) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let matches = App::new("devboot") [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/environ.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Environ { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 23 | fn open_file(file_path: &String) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn open_proc(&self) -> File { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn load_cmds(reader: BufReader) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn strs_to_cmds(cmd_strs: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn read_proc(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn save(&self, file_path: &String) -> io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn read(file_path: &String, name: &String) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn new(name: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn push_arg(&mut self, arg: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmdLine` is never constructed [INFO] [stdout] --> src/cmdline.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct CmdLine { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `parse_str` is never used [INFO] [stdout] --> src/cmdline.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl CmdLine { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 8 | pub fn parse_str(cmd_line: &String) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s [INFO] running `Command { std: "docker" "inspect" "09092780ae5f242a866cefa88b11d03374216c61abba57b5b08abf42c3fac1c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09092780ae5f242a866cefa88b11d03374216c61abba57b5b08abf42c3fac1c9", kill_on_drop: false }` [INFO] [stdout] 09092780ae5f242a866cefa88b11d03374216c61abba57b5b08abf42c3fac1c9