[INFO] cloning repository https://github.com/mehan05/rust_sys_monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehan05/rust_sys_monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehan05%2Frust_sys_monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehan05%2Frust_sys_monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1289c7efe021125394c43b07eecf18d25f178b5
[INFO] testing mehan05/rust_sys_monitor against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehan05%2Frust_sys_monitor" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mehan05/rust_sys_monitor
[INFO] finished tweaking git repo https://github.com/mehan05/rust_sys_monitor
[INFO] tweaked toml for git repo https://github.com/mehan05/rust_sys_monitor written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mehan05/rust_sys_monitor on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mehan05/rust_sys_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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c55250fc23cd0ade57c59af9159c5c8f8b9906aed697b1546eb6de45cfab69
[INFO] running `Command { std: "docker" "start" "-a" "70c55250fc23cd0ade57c59af9159c5c8f8b9906aed697b1546eb6de45cfab69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c55250fc23cd0ade57c59af9159c5c8f8b9906aed697b1546eb6de45cfab69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c55250fc23cd0ade57c59af9159c5c8f8b9906aed697b1546eb6de45cfab69", kill_on_drop: false }`
[INFO] [stdout] 70c55250fc23cd0ade57c59af9159c5c8f8b9906aed697b1546eb6de45cfab69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40160fc281b354b040957de388d6db646556f81be40f827fdcb19c26d74cda97
[INFO] running `Command { std: "docker" "start" "-a" "40160fc281b354b040957de388d6db646556f81be40f827fdcb19c26d74cda97", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling sysinfo v0.37.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling axum-macros v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling sys_monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os::linux::raw::stat`
[INFO] [stdout]  --> src/sampler.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/sampler.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if cpus.is_empty(){ {0.0}}
[INFO] [stdout]    |                                 ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 27 -             if cpus.is_empty(){ {0.0}}
[INFO] [stdout] 27 +             if cpus.is_empty(){ 0.0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]  --> src/sampler.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.30s
[INFO] running `Command { std: "docker" "inspect" "40160fc281b354b040957de388d6db646556f81be40f827fdcb19c26d74cda97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40160fc281b354b040957de388d6db646556f81be40f827fdcb19c26d74cda97", kill_on_drop: false }`
[INFO] [stdout] 40160fc281b354b040957de388d6db646556f81be40f827fdcb19c26d74cda97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03085c2bf039881422f9104adb92cd10b454c57bdbb9d505291edcb788820f59
[INFO] running `Command { std: "docker" "start" "-a" "03085c2bf039881422f9104adb92cd10b454c57bdbb9d505291edcb788820f59", kill_on_drop: false }`
[INFO] [stderr]    Compiling sys_monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os::linux::raw::stat`
[INFO] [stdout]  --> src/sampler.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/sampler.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if cpus.is_empty(){ {0.0}}
[INFO] [stdout]    |                                 ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 27 -             if cpus.is_empty(){ {0.0}}
[INFO] [stdout] 27 +             if cpus.is_empty(){ 0.0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]  --> src/sampler.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "03085c2bf039881422f9104adb92cd10b454c57bdbb9d505291edcb788820f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03085c2bf039881422f9104adb92cd10b454c57bdbb9d505291edcb788820f59", kill_on_drop: false }`
[INFO] [stdout] 03085c2bf039881422f9104adb92cd10b454c57bdbb9d505291edcb788820f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9c06f9572f68af40bbf0a215ed5eea66aa4f71bba9c41df240de01075ef0a48
[INFO] running `Command { std: "docker" "start" "-a" "c9c06f9572f68af40bbf0a215ed5eea66aa4f71bba9c41df240de01075ef0a48", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `os::linux::raw::stat`
[INFO] [stderr]  --> src/sampler.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/sampler.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |             if cpus.is_empty(){ {0.0}}
[INFO] [stderr]    |                                 ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 27 -             if cpus.is_empty(){ {0.0}}
[INFO] [stderr] 27 +             if cpus.is_empty(){ 0.0 }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stderr]  --> src/sampler.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{os::linux::raw::stat, sync::{Arc,RwLock}};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sys_monitor` (bin "sys_monitor" test) generated 3 warnings (run `cargo fix --bin "sys_monitor" -p sys_monitor --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sys_monitor-dc9aea0577e848e9)
[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" "c9c06f9572f68af40bbf0a215ed5eea66aa4f71bba9c41df240de01075ef0a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c06f9572f68af40bbf0a215ed5eea66aa4f71bba9c41df240de01075ef0a48", kill_on_drop: false }`
[INFO] [stdout] c9c06f9572f68af40bbf0a215ed5eea66aa4f71bba9c41df240de01075ef0a48
