[INFO] cloning repository https://github.com/ddxfish/cpu_hdd_maxxer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddxfish/cpu_hdd_maxxer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddxfish%2Fcpu_hdd_maxxer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddxfish%2Fcpu_hdd_maxxer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10d72255c2a2c8e2030697bbdf7b92b845b532f0
[INFO] testing ddxfish/cpu_hdd_maxxer against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddxfish%2Fcpu_hdd_maxxer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ddxfish/cpu_hdd_maxxer
[INFO] finished tweaking git repo https://github.com/ddxfish/cpu_hdd_maxxer
[INFO] tweaked toml for git repo https://github.com/ddxfish/cpu_hdd_maxxer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ddxfish/cpu_hdd_maxxer on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ddxfish/cpu_hdd_maxxer 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d0fcf479d55e49a207956592c8d998104d12bed6744c46e6f3dee199d44594
[INFO] running `Command { std: "docker" "start" "-a" "c3d0fcf479d55e49a207956592c8d998104d12bed6744c46e6f3dee199d44594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d0fcf479d55e49a207956592c8d998104d12bed6744c46e6f3dee199d44594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d0fcf479d55e49a207956592c8d998104d12bed6744c46e6f3dee199d44594", kill_on_drop: false }`
[INFO] [stdout] c3d0fcf479d55e49a207956592c8d998104d12bed6744c46e6f3dee199d44594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e470f40ddad83fa4d84741a545b5a3fb1eeba4c7dc3611c30ef854ce23d47a1e
[INFO] running `Command { std: "docker" "start" "-a" "e470f40ddad83fa4d84741a545b5a3fb1eeba4c7dc3611c30ef854ce23d47a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
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[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling lock_api v0.4.12
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[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling syn v2.0.83
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
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[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling ctrlc v3.4.5
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling disk-stress-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/disk_ops.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/disk_ops.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/utils/monitor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/utils/monitor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_idle`
[INFO] [stdout]   --> src/utils/monitor.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let mut last_idle = 0f32;
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_idle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_total`
[INFO] [stdout]   --> src/utils/monitor.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut last_total = 1f32;
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/monitor.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let mut last_idle = 0f32;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/monitor.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut last_total = 1f32;
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidDirectory` is never constructed
[INFO] [stdout]  --> src/config.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ConfigError {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 6 |     #[error("Invalid directory")]
[INFO] [stdout] 7 |     InvalidDirectory,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target_load` is never read
[INFO] [stdout]  --> src/cpu_stress.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CpuStressor {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     target_load: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SystemMonitor` is never constructed
[INFO] [stdout]  --> src/utils/monitor.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SystemMonitor;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `cpu_usage` and `memory_usage` are never used
[INFO] [stdout]   --> src/utils/monitor.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl SystemMonitor {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 8  |     pub fn cpu_usage() -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn memory_usage() -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatternGenerator` is never constructed
[INFO] [stdout]  --> src/utils/patterns.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PatternGenerator {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `generate_chunk` are never used
[INFO] [stdout]   --> src/utils/patterns.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl PatternGenerator {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 9  |     pub fn new(seed: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn generate_chunk(&mut self, size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "e470f40ddad83fa4d84741a545b5a3fb1eeba4c7dc3611c30ef854ce23d47a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e470f40ddad83fa4d84741a545b5a3fb1eeba4c7dc3611c30ef854ce23d47a1e", kill_on_drop: false }`
[INFO] [stdout] e470f40ddad83fa4d84741a545b5a3fb1eeba4c7dc3611c30ef854ce23d47a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b517ecfe3cdb8f48152b246825bf92fbd7bc045a5e05a42ad3465cb58fd55bc1
[INFO] running `Command { std: "docker" "start" "-a" "b517ecfe3cdb8f48152b246825bf92fbd7bc045a5e05a42ad3465cb58fd55bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling disk-stress-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/disk_ops.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/disk_ops.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/utils/monitor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/utils/monitor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_idle`
[INFO] [stdout]   --> src/utils/monitor.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let mut last_idle = 0f32;
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_idle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_total`
[INFO] [stdout]   --> src/utils/monitor.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut last_total = 1f32;
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/monitor.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let mut last_idle = 0f32;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/monitor.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut last_total = 1f32;
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidDirectory` is never constructed
[INFO] [stdout]  --> src/config.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ConfigError {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 6 |     #[error("Invalid directory")]
[INFO] [stdout] 7 |     InvalidDirectory,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target_load` is never read
[INFO] [stdout]  --> src/cpu_stress.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CpuStressor {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     target_load: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SystemMonitor` is never constructed
[INFO] [stdout]  --> src/utils/monitor.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SystemMonitor;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `cpu_usage` and `memory_usage` are never used
[INFO] [stdout]   --> src/utils/monitor.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl SystemMonitor {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 8  |     pub fn cpu_usage() -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn memory_usage() -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatternGenerator` is never constructed
[INFO] [stdout]  --> src/utils/patterns.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PatternGenerator {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `generate_chunk` are never used
[INFO] [stdout]   --> src/utils/patterns.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl PatternGenerator {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 9  |     pub fn new(seed: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn generate_chunk(&mut self, size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b517ecfe3cdb8f48152b246825bf92fbd7bc045a5e05a42ad3465cb58fd55bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b517ecfe3cdb8f48152b246825bf92fbd7bc045a5e05a42ad3465cb58fd55bc1", kill_on_drop: false }`
[INFO] [stdout] b517ecfe3cdb8f48152b246825bf92fbd7bc045a5e05a42ad3465cb58fd55bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86cff07b1d754050103057a470925069f244ff0c1d464f27a6c4500ef6eb40e2
[INFO] running `Command { std: "docker" "start" "-a" "86cff07b1d754050103057a470925069f244ff0c1d464f27a6c4500ef6eb40e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/disk_ops.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/disk_ops.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/utils/monitor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/utils/monitor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_idle`
[INFO] [stderr]   --> src/utils/monitor.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let mut last_idle = 0f32;
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_idle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_total`
[INFO] [stderr]   --> src/utils/monitor.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let mut last_total = 1f32;
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_total`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/utils/monitor.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let mut last_idle = 0f32;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/utils/monitor.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let mut last_total = 1f32;
[INFO] [stderr]    |                 ----^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InvalidDirectory` is never constructed
[INFO] [stderr]  --> src/config.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ConfigError {
[INFO] [stderr]   |          ----------- variant in this enum
[INFO] [stderr] 6 |     #[error("Invalid directory")]
[INFO] [stderr] 7 |     InvalidDirectory,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `target_load` is never read
[INFO] [stderr]  --> src/cpu_stress.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct CpuStressor {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 6 |     target_load: u8,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SystemMonitor` is never constructed
[INFO] [stderr]  --> src/utils/monitor.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct SystemMonitor;
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `cpu_usage` and `memory_usage` are never used
[INFO] [stderr]   --> src/utils/monitor.rs:8:12
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl SystemMonitor {
[INFO] [stderr]    | ------------------ associated functions in this implementation
[INFO] [stderr] 8  |     pub fn cpu_usage() -> Option<f32> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn memory_usage() -> Option<f32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PatternGenerator` is never constructed
[INFO] [stderr]  --> src/utils/patterns.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct PatternGenerator {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `generate_chunk` are never used
[INFO] [stderr]   --> src/utils/patterns.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr] 8  | impl PatternGenerator {
[INFO] [stderr]    | --------------------- associated items in this implementation
[INFO] [stderr] 9  |     pub fn new(seed: u64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn generate_chunk(&mut self, size: usize) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `disk-stress-test` (bin "disk-stress-test" test) generated 14 warnings (run `cargo fix --bin "disk-stress-test" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/disk_stress_test-310c0b46d0fa3ba9)
[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" "86cff07b1d754050103057a470925069f244ff0c1d464f27a6c4500ef6eb40e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cff07b1d754050103057a470925069f244ff0c1d464f27a6c4500ef6eb40e2", kill_on_drop: false }`
[INFO] [stdout] 86cff07b1d754050103057a470925069f244ff0c1d464f27a6c4500ef6eb40e2