[INFO] cloning repository https://github.com/luluci/cpu_usage [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luluci/cpu_usage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluluci%2Fcpu_usage", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluluci%2Fcpu_usage'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b39261deca9ff5056f93a25c4527f604f37669b6 [INFO] testing luluci/cpu_usage against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluluci%2Fcpu_usage" "/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/luluci/cpu_usage [INFO] finished tweaking git repo https://github.com/luluci/cpu_usage [INFO] tweaked toml for git repo https://github.com/luluci/cpu_usage written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/luluci/cpu_usage on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/luluci/cpu_usage 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded once_cell v1.8.0 [INFO] [stderr] Downloaded memchr v2.4.0 [INFO] [stderr] Downloaded regex v1.5.4 [INFO] [stderr] Downloaded libc v0.2.101 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d78b96763278bb6c557e46bf35fd6b32af4b1658640bdce872ff4f37a944238b [INFO] running `Command { std: "docker" "start" "-a" "d78b96763278bb6c557e46bf35fd6b32af4b1658640bdce872ff4f37a944238b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d78b96763278bb6c557e46bf35fd6b32af4b1658640bdce872ff4f37a944238b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78b96763278bb6c557e46bf35fd6b32af4b1658640bdce872ff4f37a944238b", kill_on_drop: false }` [INFO] [stdout] d78b96763278bb6c557e46bf35fd6b32af4b1658640bdce872ff4f37a944238b [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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 499bf9749769323fbe94417dc9d0a74bced2272fc823eb1d766a54c1a0989a2a [INFO] running `Command { std: "docker" "start" "-a" "499bf9749769323fbe94417dc9d0a74bced2272fc823eb1d766a54c1a0989a2a", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling cpu_usage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/profile_if.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process::Process` [INFO] [stdout] --> src/settings.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::process::process::Process; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process_tracer::ProcessTracer` [INFO] [stdout] --> src/settings.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::process::process_tracer::ProcessTracer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc` [INFO] [stdout] --> src/process/process_tracer.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | for proc in self.procs.iter_mut() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_proc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `div_max` is never read [INFO] [stdout] --> src/profiler/profiler.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | let mut div_max = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/profiler/profiler.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fut` [INFO] [stdout] --> src/profile_if.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | let fut = tx.send((name.clone(), id, state, begin, end, delayed)); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_fut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/profile_if.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let mut profiler_pu; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `output_file_path` is never read [INFO] [stdout] --> src/profile_if.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ProfileIF [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | output_file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | writeln!(writer, "{}", data); [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] 120 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | self.start(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | let _ = self.start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 181 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:194:4 [INFO] [stdout] | [INFO] [stdout] 194 | writeln!(writer, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = writeln!(writer, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 197 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 197 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = std::io::stdin().read_line(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_args_in_out` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn get_args_in_out() -> (String, String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.15s [INFO] running `Command { std: "docker" "inspect" "499bf9749769323fbe94417dc9d0a74bced2272fc823eb1d766a54c1a0989a2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "499bf9749769323fbe94417dc9d0a74bced2272fc823eb1d766a54c1a0989a2a", kill_on_drop: false }` [INFO] [stdout] 499bf9749769323fbe94417dc9d0a74bced2272fc823eb1d766a54c1a0989a2a [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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7045b3f40ae7216477ed324898ec681c559d8a764e5e2b98aa8b8c2dfa0ab61 [INFO] running `Command { std: "docker" "start" "-a" "d7045b3f40ae7216477ed324898ec681c559d8a764e5e2b98aa8b8c2dfa0ab61", kill_on_drop: false }` [INFO] [stderr] Compiling cpu_usage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/profile_if.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process::Process` [INFO] [stdout] --> src/settings.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::process::process::Process; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process_tracer::ProcessTracer` [INFO] [stdout] --> src/settings.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::process::process_tracer::ProcessTracer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc` [INFO] [stdout] --> src/process/process_tracer.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | for proc in self.procs.iter_mut() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_proc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `div_max` is never read [INFO] [stdout] --> src/profiler/profiler.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | let mut div_max = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/profiler/profiler.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fut` [INFO] [stdout] --> src/profile_if.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | let fut = tx.send((name.clone(), id, state, begin, end, delayed)); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_fut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/profile_if.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let mut profiler_pu; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `output_file_path` is never read [INFO] [stdout] --> src/profile_if.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ProfileIF [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | output_file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | writeln!(writer, "{}", data); [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] 120 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | self.start(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | let _ = self.start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 181 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:194:4 [INFO] [stdout] | [INFO] [stdout] 194 | writeln!(writer, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = writeln!(writer, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 197 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 197 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = std::io::stdin().read_line(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/profile_if.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process::Process` [INFO] [stdout] --> src/settings.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::process::process::Process; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::process::process_tracer::ProcessTracer` [INFO] [stdout] --> src/settings.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::process::process_tracer::ProcessTracer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_args_in_out` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn get_args_in_out() -> (String, String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc` [INFO] [stdout] --> src/process/process_tracer.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | for proc in self.procs.iter_mut() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_proc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `div_max` is never read [INFO] [stdout] --> src/profiler/profiler.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | let mut div_max = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/profiler/profiler.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fut` [INFO] [stdout] --> src/profile_if.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | let fut = tx.send((name.clone(), id, state, begin, end, delayed)); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_fut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/profile_if.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let mut profiler_pu; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `output_file_path` is never read [INFO] [stdout] --> src/profile_if.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ProfileIF [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | output_file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | writeln!(writer, "{}", data); [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] 120 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | self.start(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | let _ = self.start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 181 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:194:4 [INFO] [stdout] | [INFO] [stdout] 194 | writeln!(writer, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 194 | let _ = writeln!(writer, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profiler/profiler.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 197 | writeln!(writer, "{}", data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 197 | let _ = writeln!(writer, "{}", data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = std::io::stdin().read_line(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "d7045b3f40ae7216477ed324898ec681c559d8a764e5e2b98aa8b8c2dfa0ab61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7045b3f40ae7216477ed324898ec681c559d8a764e5e2b98aa8b8c2dfa0ab61", kill_on_drop: false }` [INFO] [stdout] d7045b3f40ae7216477ed324898ec681c559d8a764e5e2b98aa8b8c2dfa0ab61 [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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 687fe6e440461abd14a74a38a7c3e98b0591e55a02846252be4701213d0e121f [INFO] running `Command { std: "docker" "start" "-a" "687fe6e440461abd14a74a38a7c3e98b0591e55a02846252be4701213d0e121f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/profile_if.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::process::process::Process` [INFO] [stderr] --> src/settings.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::process::process::Process; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::process::process_tracer::ProcessTracer` [INFO] [stderr] --> src/settings.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::process::process_tracer::ProcessTracer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `proc` [INFO] [stderr] --> src/process/process_tracer.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | for proc in self.procs.iter_mut() { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_proc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `div_max` is never read [INFO] [stderr] --> src/profiler/profiler.rs:37:11 [INFO] [stderr] | [INFO] [stderr] 37 | let mut div_max = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp` is never read [INFO] [stderr] --> src/profiler/profiler.rs:40:11 [INFO] [stderr] | [INFO] [stderr] 40 | let mut temp = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fut` [INFO] [stderr] --> src/profile_if.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | let fut = tx.send((name.clone(), id, state, begin, end, delayed)); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_fut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/profile_if.rs:56:7 [INFO] [stderr] | [INFO] [stderr] 56 | let mut profiler_pu; [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: field `output_file_path` is never read [INFO] [stderr] --> src/profile_if.rs:14:2 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct ProfileIF [INFO] [stderr] | --------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 14 | output_file_path: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profiler/profiler.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | writeln!(writer, "{}", data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 120 | let _ = writeln!(writer, "{}", data); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profiler/profiler.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | self.start(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 166 | let _ = self.start(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profiler/profiler.rs:181:5 [INFO] [stderr] | [INFO] [stderr] 181 | writeln!(writer, "{}", data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 181 | let _ = writeln!(writer, "{}", data); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profiler/profiler.rs:194:4 [INFO] [stderr] | [INFO] [stderr] 194 | writeln!(writer, ""); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 194 | let _ = writeln!(writer, ""); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profiler/profiler.rs:197:5 [INFO] [stderr] | [INFO] [stderr] 197 | writeln!(writer, "{}", data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 197 | let _ = writeln!(writer, "{}", data); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/profile_if.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 112 | let _ = std::io::stdin().read_line(&mut buf); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `cpu_usage` (lib) generated 15 warnings (run `cargo fix --lib -p cpu_usage` to apply 4 suggestions) [INFO] [stderr] warning: function `get_args_in_out` is never used [INFO] [stderr] --> src/main.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn get_args_in_out() -> (String, String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `cpu_usage` (bin "cpu_usage" test) generated 1 warning [INFO] [stderr] warning: `cpu_usage` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cpu_usage-a0b342cfed7de353) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cpu_usage-b063ca0aa448f8b4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests cpu_usage [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "687fe6e440461abd14a74a38a7c3e98b0591e55a02846252be4701213d0e121f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "687fe6e440461abd14a74a38a7c3e98b0591e55a02846252be4701213d0e121f", kill_on_drop: false }` [INFO] [stdout] 687fe6e440461abd14a74a38a7c3e98b0591e55a02846252be4701213d0e121f