[INFO] cloning repository https://github.com/patchydev/system-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patchydev/system-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatchydev%2Fsystem-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatchydev%2Fsystem-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eb17a9dd6434b9dcfef6e0532d48f5f257d29bb
[INFO] building patchydev/system-monitor against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatchydev%2Fsystem-monitor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/patchydev/system-monitor
[INFO] finished tweaking git repo https://github.com/patchydev/system-monitor
[INFO] tweaked toml for git repo https://github.com/patchydev/system-monitor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/patchydev/system-monitor on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/patchydev/system-monitor 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-future v0.2.0
[INFO] [stderr]   Downloaded sysinfo v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc7dfc1a36ca901cfea917891e6ff4a10882efc29817ce71d2364effbe0c47e
[INFO] running `Command { std: "docker" "start" "-a" "5fc7dfc1a36ca901cfea917891e6ff4a10882efc29817ce71d2364effbe0c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc7dfc1a36ca901cfea917891e6ff4a10882efc29817ce71d2364effbe0c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc7dfc1a36ca901cfea917891e6ff4a10882efc29817ce71d2364effbe0c47e", kill_on_drop: false }`
[INFO] [stdout] 5fc7dfc1a36ca901cfea917891e6ff4a10882efc29817ce71d2364effbe0c47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1575b138c80eb7ee054343b3ddcc03524fd7b519c43adc928d96d12a43f7778
[INFO] running `Command { std: "docker" "start" "-a" "b1575b138c80eb7ee054343b3ddcc03524fd7b519c43adc928d96d12a43f7778", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling sysinfo v0.35.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling system-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]   --> src/plugin.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn init(&mut self, settings: HashMap<String, String>) -> Result<(), String> {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]   --> src/plugin.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Plugin: Debug {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 11 |     fn name(&self) -> &str;
[INFO] [stdout] 12 |     fn id(&self) -> &str;
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         registry.register(MemoryPlugin::new(), HashMap::new());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = registry.register(MemoryPlugin::new(), HashMap::new());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.37s
[INFO] running `Command { std: "docker" "inspect" "b1575b138c80eb7ee054343b3ddcc03524fd7b519c43adc928d96d12a43f7778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1575b138c80eb7ee054343b3ddcc03524fd7b519c43adc928d96d12a43f7778", kill_on_drop: false }`
[INFO] [stdout] b1575b138c80eb7ee054343b3ddcc03524fd7b519c43adc928d96d12a43f7778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b468f7c0b0c10ac1205fb07a772e12bcb6d04ec838966e2e5fb300699e0f0ce0
[INFO] running `Command { std: "docker" "start" "-a" "b468f7c0b0c10ac1205fb07a772e12bcb6d04ec838966e2e5fb300699e0f0ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling system-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]   --> src/plugin.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn init(&mut self, settings: HashMap<String, String>) -> Result<(), String> {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]   --> src/plugin.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Plugin: Debug {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 11 |     fn name(&self) -> &str;
[INFO] [stdout] 12 |     fn id(&self) -> &str;
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         registry.register(MemoryPlugin::new(), HashMap::new());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = registry.register(MemoryPlugin::new(), HashMap::new());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b468f7c0b0c10ac1205fb07a772e12bcb6d04ec838966e2e5fb300699e0f0ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b468f7c0b0c10ac1205fb07a772e12bcb6d04ec838966e2e5fb300699e0f0ce0", kill_on_drop: false }`
[INFO] [stdout] b468f7c0b0c10ac1205fb07a772e12bcb6d04ec838966e2e5fb300699e0f0ce0