[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluluci%2Fcpu_usage" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luluci/cpu_usage on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-8/source/Cargo.toml [INFO] crate git repo https://github.com/luluci/cpu_usage already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee4765917e38d8f5fa98625a4b8e2eb431a354e5856632b2ad330486df247d9b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ee4765917e38d8f5fa98625a4b8e2eb431a354e5856632b2ad330486df247d9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee4765917e38d8f5fa98625a4b8e2eb431a354e5856632b2ad330486df247d9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee4765917e38d8f5fa98625a4b8e2eb431a354e5856632b2ad330486df247d9b", kill_on_drop: false }` [INFO] [stdout] ee4765917e38d8f5fa98625a4b8e2eb431a354e5856632b2ad330486df247d9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 64403bff9c1a3e2ef81b3ac53f7c194c72aeea8163649972456095a87e484911 [INFO] running `Command { std: "docker" "start" "-a" "64403bff9c1a3e2ef81b3ac53f7c194c72aeea8163649972456095a87e484911", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [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: `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] = note: `#[warn(unused_variables)]` 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] [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: 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 is never read: `output_file_path` [INFO] [stdout] --> src/profile_if.rs:14:2 [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/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_args_in_out` [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 [unoptimized + debuginfo] target(s) in 17.65s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "64403bff9c1a3e2ef81b3ac53f7c194c72aeea8163649972456095a87e484911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64403bff9c1a3e2ef81b3ac53f7c194c72aeea8163649972456095a87e484911", kill_on_drop: false }` [INFO] [stdout] 64403bff9c1a3e2ef81b3ac53f7c194c72aeea8163649972456095a87e484911 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f0756f2c90f172600eb71b2a591715431d1e11e93e8a20044d2cda89a0e4542 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2f0756f2c90f172600eb71b2a591715431d1e11e93e8a20044d2cda89a0e4542", kill_on_drop: false }` [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: `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] = note: `#[warn(unused_variables)]` 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] [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: 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 is never read: `output_file_path` [INFO] [stdout] --> src/profile_if.rs:14:2 [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/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cpu_usage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `get_args_in_out` [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 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: `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] = note: `#[warn(unused_variables)]` 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] [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: 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 is never read: `output_file_path` [INFO] [stdout] --> src/profile_if.rs:14:2 [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/profile_if.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `Command { std: "docker" "inspect" "2f0756f2c90f172600eb71b2a591715431d1e11e93e8a20044d2cda89a0e4542", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0756f2c90f172600eb71b2a591715431d1e11e93e8a20044d2cda89a0e4542", kill_on_drop: false }` [INFO] [stdout] 2f0756f2c90f172600eb71b2a591715431d1e11e93e8a20044d2cda89a0e4542 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aa52d2f85831220fd202806bc10c43e59e0558a0883cefe5f6f5de9f56d328d9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "aa52d2f85831220fd202806bc10c43e59e0558a0883cefe5f6f5de9f56d328d9", 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: `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] = note: `#[warn(unused_variables)]` on by default [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] 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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [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: 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 is never read: `output_file_path` [INFO] [stderr] --> src/profile_if.rs:14:2 [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/profile_if.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | std::io::stdin().read_line(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `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: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `cpu_usage` (lib) generated 15 warnings [INFO] [stderr] warning: `cpu_usage` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] warning: function is never used: `get_args_in_out` [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] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cpu_usage-f9b099b03afa1b3a) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cpu_usage-af1b12108585cbb3) [INFO] [stdout] [INFO] [stderr] Doc-tests cpu_usage [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] [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" "aa52d2f85831220fd202806bc10c43e59e0558a0883cefe5f6f5de9f56d328d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa52d2f85831220fd202806bc10c43e59e0558a0883cefe5f6f5de9f56d328d9", kill_on_drop: false }` [INFO] [stdout] aa52d2f85831220fd202806bc10c43e59e0558a0883cefe5f6f5de9f56d328d9