[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
