[INFO] cloning repository https://github.com/wyvernbw/jo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wyvernbw/jo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyvernbw%2Fjo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyvernbw%2Fjo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d5a40b3e299781e2517d6be61b2f97b240c00d0 [INFO] checking wyvernbw/jo against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyvernbw%2Fjo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wyvernbw/jo [INFO] finished tweaking git repo https://github.com/wyvernbw/jo [INFO] tweaked toml for git repo https://github.com/wyvernbw/jo written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wyvernbw/jo on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wyvernbw/jo 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded homedir v0.3.6 [INFO] [stderr] Downloaded colorsys v0.6.7 [INFO] [stderr] Downloaded anpa v0.9.0 [INFO] [stderr] Downloaded ron v0.10.1 [INFO] [stderr] Downloaded bon v3.6.4 [INFO] [stderr] Downloaded bon-macros v3.6.4 [INFO] [stderr] Downloaded tachyonfx v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3529d44361e590442e70e188ff56b14189b54be50036c36e4ec1438d1840762b [INFO] running `Command { std: "docker" "start" "-a" "3529d44361e590442e70e188ff56b14189b54be50036c36e4ec1438d1840762b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3529d44361e590442e70e188ff56b14189b54be50036c36e4ec1438d1840762b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3529d44361e590442e70e188ff56b14189b54be50036c36e4ec1438d1840762b", kill_on_drop: false }` [INFO] [stdout] 3529d44361e590442e70e188ff56b14189b54be50036c36e4ec1438d1840762b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49ceffb19aec70d37a756c9832cbc9dda719057981206768dd3864378791899d [INFO] running `Command { std: "docker" "start" "-a" "49ceffb19aec70d37a756c9832cbc9dda719057981206768dd3864378791899d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking linux-raw-sys 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[INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling owo-colors v4.2.2 [INFO] [stderr] Checking event-listener v5.4.0 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Compiling convert_case v0.7.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] 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Checking backtrace v0.3.75 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling strum_macros v0.27.1 [INFO] [stderr] Checking derive_more v2.0.1 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-error v0.2.1 [INFO] [stderr] Checking color-eyre v0.6.5 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling instability v0.3.7 [INFO] [stderr] Compiling bon-macros v3.6.4 [INFO] [stderr] Checking strum v0.27.1 [INFO] [stderr] Checking bon v3.6.4 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking compact_str v0.8.1 [INFO] [stderr] Checking inotify v0.11.0 [INFO] [stderr] Checking ron v0.10.1 [INFO] [stderr] Checking homedir v0.3.6 [INFO] [stderr] Checking notify v8.1.0 [INFO] [stderr] Checking crossterm v0.28.1 [INFO] [stderr] Checking dhat v0.3.3 [INFO] [stderr] Checking ratatui v0.29.0 [INFO] [stderr] Checking tachyonfx v0.15.0 [INFO] [stderr] Checking polling v3.8.0 [INFO] [stderr] Checking crossterm v0.29.0 [INFO] [stderr] Checking async-io v2.4.1 [INFO] [stderr] Checking async-signal v0.2.11 [INFO] [stderr] Checking async-net v2.0.0 [INFO] [stderr] Checking async-process v2.3.1 [INFO] [stderr] Checking smol v2.0.2 [INFO] [stderr] Checking jo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::HashMap` [INFO] [stdout] --> src/app/state.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap, fmt::Display, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ProcessTree` [INFO] [stdout] --> src/app/state.rs:16:41 [INFO] [stdout] | [INFO] [stdout] 16 | process::{ProcessData, ProcessNode, ProcessTree}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `bon` and `builder` [INFO] [stdout] --> src/app.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use bon::{Builder, bon, builder}; [INFO] [stdout] | ^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chrono::format::DelayedFormat` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use chrono::format::DelayedFormat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Add` [INFO] [stdout] --> src/app.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | ops::Add, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EffectRenderer` [INFO] [stdout] --> src/app.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | use tachyonfx::{Duration as FxDuration, EffectRenderer}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ffi::OsString` [INFO] [stdout] --> src/process.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap, ffi::OsString, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::HashMap` [INFO] [stdout] --> src/app/state.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap, fmt::Display, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ProcessTree` [INFO] [stdout] --> src/app/state.rs:16:41 [INFO] [stdout] | [INFO] [stdout] 16 | process::{ProcessData, ProcessNode, ProcessTree}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `bon` and `builder` [INFO] [stdout] --> src/app.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use bon::{Builder, bon, builder}; [INFO] [stdout] | ^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chrono::format::DelayedFormat` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use chrono::format::DelayedFormat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Add` [INFO] [stdout] --> src/app.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | ops::Add, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EffectRenderer` [INFO] [stdout] --> src/app.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | use tachyonfx::{Duration as FxDuration, EffectRenderer}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ffi::OsString` [INFO] [stdout] --> src/process.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap, ffi::OsString, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `owo_colors::OwoColorize` [INFO] [stdout] --> src/app.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 6 | use color_eyre::{SectionExt, owo_colors::OwoColorize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SectionExt` [INFO] [stdout] --> src/app.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use color_eyre::{SectionExt, owo_colors::OwoColorize}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mem_usage` is never read [INFO] [stdout] --> src/app.rs:570:9 [INFO] [stdout] | [INFO] [stdout] 567 | pub struct SystemInformation { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 570 | pub mem_usage: f16, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SystemInformation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Tree` is never constructed [INFO] [stdout] --> src/app/state.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 269 | pub enum ProcessView { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 270 | Tree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessView` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `stop` and `set_running` are never used [INFO] [stdout] --> src/app/state.rs:495:12 [INFO] [stdout] | [INFO] [stdout] 462 | impl TuiEffect { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 495 | pub fn stop(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 503 | pub fn set_running(&mut self, value: bool) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HighUsagePulseEffect` is never constructed [INFO] [stdout] --> src/app/state.rs:591:12 [INFO] [stdout] | [INFO] [stdout] 591 | pub struct HighUsagePulseEffect(pub TuiEffect); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root` and `is_process` are never used [INFO] [stdout] --> src/process.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl ProcessNode { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn is_process(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | file.write_all(buf.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = file.write_all(buf.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `owo_colors::OwoColorize` [INFO] [stdout] --> src/app.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 6 | use color_eyre::{SectionExt, owo_colors::OwoColorize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SectionExt` [INFO] [stdout] --> src/app.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use color_eyre::{SectionExt, owo_colors::OwoColorize}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mem_usage` is never read [INFO] [stdout] --> src/app.rs:570:9 [INFO] [stdout] | [INFO] [stdout] 567 | pub struct SystemInformation { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 570 | pub mem_usage: f16, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SystemInformation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Tree` is never constructed [INFO] [stdout] --> src/app/state.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 269 | pub enum ProcessView { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 270 | Tree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessView` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `stop` and `set_running` are never used [INFO] [stdout] --> src/app/state.rs:495:12 [INFO] [stdout] | [INFO] [stdout] 462 | impl TuiEffect { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 495 | pub fn stop(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 503 | pub fn set_running(&mut self, value: bool) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HighUsagePulseEffect` is never constructed [INFO] [stdout] --> src/app/state.rs:591:12 [INFO] [stdout] | [INFO] [stdout] 591 | pub struct HighUsagePulseEffect(pub TuiEffect); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root` and `is_process` are never used [INFO] [stdout] --> src/process.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl ProcessNode { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn is_process(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | file.write_all(buf.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = file.write_all(buf.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.28s [INFO] running `Command { std: "docker" "inspect" "49ceffb19aec70d37a756c9832cbc9dda719057981206768dd3864378791899d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49ceffb19aec70d37a756c9832cbc9dda719057981206768dd3864378791899d", kill_on_drop: false }` [INFO] [stdout] 49ceffb19aec70d37a756c9832cbc9dda719057981206768dd3864378791899d