[INFO] cloning repository https://github.com/sunadase/debugger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunadase/debugger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunadase%2Fdebugger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunadase%2Fdebugger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6524fdf8f6830c30a829302ce0fea2b97f3e86ce
[INFO] checking sunadase/debugger against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunadase%2Fdebugger" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunadase/debugger on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunadase/debugger
[INFO] finished tweaking git repo https://github.com/sunadase/debugger
[INFO] tweaked toml for git repo https://github.com/sunadase/debugger written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sunadase/debugger 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.27
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded matchers v0.1.0
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[INFO] [stderr]   Downloaded overload v0.1.1
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[INFO] [stderr]   Downloaded nu-ansi-term v0.50.0
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.18
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded regex v1.10.4
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] [stderr]   Downloaded nix v0.28.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.29
[INFO] [stderr]   Downloaded regex-syntax v0.8.3
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[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93a454cdd2a1182d304bd5bc4cad03477ec9ab4d10518d42208273669a6c2e9
[INFO] running `Command { std: "docker" "start" "-a" "a93a454cdd2a1182d304bd5bc4cad03477ec9ab4d10518d42208273669a6c2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93a454cdd2a1182d304bd5bc4cad03477ec9ab4d10518d42208273669a6c2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93a454cdd2a1182d304bd5bc4cad03477ec9ab4d10518d42208273669a6c2e9", kill_on_drop: false }`
[INFO] [stdout] a93a454cdd2a1182d304bd5bc4cad03477ec9ab4d10518d42208273669a6c2e9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5372661e4c45d38e15f823db0fbf9d268d967b85329202d0c8a88dc439f8735b
[INFO] running `Command { std: "docker" "start" "-a" "5372661e4c45d38e15f823db0fbf9d268d967b85329202d0c8a88dc439f8735b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking clap_lex v0.7.0
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[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking nu-ansi-term v0.50.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking nodep v0.1.0 (/opt/rustwide/workdir/nodep)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> nodep/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         self,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]   --> nodep/src/main.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use clap::{self, builder::Str, Arg};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> nodep/src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | use libc::{self, exit, pid_t, write};
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Value`, `field::debug`, and `instrument::WithSubscriber`
[INFO] [stdout]   --> nodep/src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     debug, error, field::debug, instrument::WithSubscriber, level_filters::LevelFilter, span,
[INFO] [stdout]    |                   ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     Level, Subscriber, Value,
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_core::Event`
[INFO] [stdout]   --> nodep/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tracing_core::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> nodep/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         self,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]   --> nodep/src/main.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use clap::{self, builder::Str, Arg};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> nodep/src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | use libc::{self, exit, pid_t, write};
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Value`, `field::debug`, and `instrument::WithSubscriber`
[INFO] [stdout]   --> nodep/src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     debug, error, field::debug, instrument::WithSubscriber, level_filters::LevelFilter, span,
[INFO] [stdout]    |                   ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     Level, Subscriber, Value,
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_core::Event`
[INFO] [stdout]   --> nodep/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tracing_core::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> nodep/src/main.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Ok(Target::PID(pid)) => {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> nodep/src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |                     Err(e) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> nodep/src/main.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Ok(Target::PID(pid)) => {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> nodep/src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |                     Err(e) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]    --> nodep/src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct PTracer {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 206 |     target: Target,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `detatch` and `kill` are never used
[INFO] [stdout]    --> nodep/src/main.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl PTracer {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 255 |     fn detatch(pid: Pid) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     fn kill(pid: Pid, sig: i32) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> nodep/src/main.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | enum Requests {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 294 |     TraceMe = libc::PTRACE_TRACEME as isize,
[INFO] [stdout] 295 |     PeekText = libc::PTRACE_PEEKTEXT as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 296 |     PeekData = libc::PTRACE_PEEKDATA as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 297 |     PeekUser = libc::PTRACE_PEEKUSER as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 298 |     PokeText = libc::PTRACE_POKETEXT as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 299 |     PokeData = libc::PTRACE_POKEDATA as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 300 |     PokeUser = libc::PTRACE_POKEUSER as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 301 |     Cont = libc::PTRACE_CONT as isize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 302 |     Kill = libc::PTRACE_KILL as isize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 303 |     Singlestep = libc::PTRACE_SINGLESTEP as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 304 |     Attach = libc::PTRACE_ATTACH as isize,
[INFO] [stdout] 305 |     Syscall = libc::PTRACE_SYSCALL as isize,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     SetOptions = libc::PTRACE_SETOPTIONS as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 307 |     GetEventMsg = libc::PTRACE_GETEVENTMSG as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 308 |     GetSigInfo = libc::PTRACE_GETSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 309 |     SetSigInfo = libc::PTRACE_SETSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 310 |     GetRegSet = libc::PTRACE_GETREGSET as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     SetRegSet = libc::PTRACE_SETREGSET as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 312 |     Seize = libc::PTRACE_SEIZE as isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 313 |     Interrupt = libc::PTRACE_INTERRUPT as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 314 |     Listen = libc::PTRACE_LISTEN as isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 315 |     PeekSigInfo = libc::PTRACE_PEEKSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 316 |     GetSigMask = libc::PTRACE_GETSIGMASK as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 317 |     SetSigMask = libc::PTRACE_SETSIGMASK as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 318 |     GetSyscallInfo = libc::PTRACE_GET_SYSCALL_INFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 319 |     Detach = libc::PTRACE_DETACH as isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `this`, `parent`, and `as_raw` are never used
[INFO] [stdout]    --> nodep/src/main.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 345 | impl Pid {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 350 |     fn this() -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     fn parent() -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     const fn as_raw(self) -> pid_t {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]    --> nodep/src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct PTracer {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 206 |     target: Target,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `detatch` and `kill` are never used
[INFO] [stdout]    --> nodep/src/main.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl PTracer {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 255 |     fn detatch(pid: Pid) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     fn kill(pid: Pid, sig: i32) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> nodep/src/main.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | enum Requests {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 294 |     TraceMe = libc::PTRACE_TRACEME as isize,
[INFO] [stdout] 295 |     PeekText = libc::PTRACE_PEEKTEXT as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 296 |     PeekData = libc::PTRACE_PEEKDATA as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 297 |     PeekUser = libc::PTRACE_PEEKUSER as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 298 |     PokeText = libc::PTRACE_POKETEXT as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 299 |     PokeData = libc::PTRACE_POKEDATA as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 300 |     PokeUser = libc::PTRACE_POKEUSER as isize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 301 |     Cont = libc::PTRACE_CONT as isize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 302 |     Kill = libc::PTRACE_KILL as isize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 303 |     Singlestep = libc::PTRACE_SINGLESTEP as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 304 |     Attach = libc::PTRACE_ATTACH as isize,
[INFO] [stdout] 305 |     Syscall = libc::PTRACE_SYSCALL as isize,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     SetOptions = libc::PTRACE_SETOPTIONS as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 307 |     GetEventMsg = libc::PTRACE_GETEVENTMSG as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 308 |     GetSigInfo = libc::PTRACE_GETSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 309 |     SetSigInfo = libc::PTRACE_SETSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 310 |     GetRegSet = libc::PTRACE_GETREGSET as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     SetRegSet = libc::PTRACE_SETREGSET as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 312 |     Seize = libc::PTRACE_SEIZE as isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 313 |     Interrupt = libc::PTRACE_INTERRUPT as isize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 314 |     Listen = libc::PTRACE_LISTEN as isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 315 |     PeekSigInfo = libc::PTRACE_PEEKSIGINFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 316 |     GetSigMask = libc::PTRACE_GETSIGMASK as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 317 |     SetSigMask = libc::PTRACE_SETSIGMASK as isize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 318 |     GetSyscallInfo = libc::PTRACE_GET_SYSCALL_INFO as isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 319 |     Detach = libc::PTRACE_DETACH as isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `this`, `parent`, and `as_raw` are never used
[INFO] [stdout]    --> nodep/src/main.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 345 | impl Pid {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 350 |     fn this() -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     fn parent() -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     const fn as_raw(self) -> pid_t {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> nodep/src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(writer, "({} > {}) ", getparentpid(), getpid());
[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]    = note: this warning originates in the macro `write` (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]   --> nodep/src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(writer, "({} > {}) ", getparentpid(), getpid());
[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]    = note: this warning originates in the macro `write` (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]    --> nodep/src/main.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   PTracer::attach(child.into());
[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] 150 |                             let _ = PTracer::attach(child.into());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> nodep/src/main.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   PTracer::attach(child.into());
[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] 150 |                             let _ = PTracer::attach(child.into());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dbg v0.1.0 (/opt/rustwide/workdir/dbg)
[INFO] [stdout] warning: unused import: `clap::builder::Str`
[INFO] [stdout]  --> dbg/src/repl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::Str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> dbg/src/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::Str`
[INFO] [stdout]  --> dbg/src/repl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::Str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> dbg/src/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> dbg/src/repl.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |                         Err(e) => Err(format!(
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> dbg/src/repl.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |                         Err(e) => Err(format!(
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> dbg/src/main.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(Target::PID(pid)) => {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> dbg/src/main.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     Err(e) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get_pmap`, `get_mem`, and `read_words` are never used
[INFO] [stdout]    --> dbg/src/repl.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 55  | impl REPL {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn get_pmap(pid: Pid) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn get_mem(pid: Pid) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn read_words(pid: Pid, from: usize, size: usize) -> nix::Result<Vec<(usize, usize)>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FmtThreadName` is never constructed
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct FmtThreadName<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> FmtThreadName<'a> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub(crate) fn new(name: &'a str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ptrace::traceme();
[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] 21 |     let _ = ptrace::traceme();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout] 32 | |                 info!("{:x?}", regs);
[INFO] [stdout] 33 | |                 Ok(())
[INFO] [stdout] 34 | |             });
[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] 31 |             let _ = ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                     ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout] 47 | |                         info!("{:x?}", regs);
[INFO] [stdout] 48 | |                         debug!("checking bps..");
[INFO] [stdout] 49 | |                         repl.check_breakpoints(regs);
[INFO] [stdout] 50 | |                         Ok(())
[INFO] [stdout] 51 | |                     });
[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] 46 |                     let _ = ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/main.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   ptrace::attach(child);
[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] 118 |                             let _ = ptrace::attach(child);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/repl.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         std::io::stdout().write("> ".as_bytes());
[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] 66 |         let _ = std::io::stdout().write("> ".as_bytes());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/repl.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         std::io::stdout().flush();
[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] 67 |         let _ = std::io::stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 ptrace::cont(pid, None);
[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] 189 |                 let _ = ptrace::cont(pid, None);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 ptrace::step(pid, None);
[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] 193 |                 let _ = ptrace::step(pid, None);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 | /                     ptrace::write(
[INFO] [stdout] 202 | |                         pid,
[INFO] [stdout] 203 | |                         addr as *mut c_void,
[INFO] [stdout] 204 | |                         (old_ins & (usize::MAX - 0xff) | 0xcc) as *mut c_void,
[INFO] [stdout] 205 | |                     );
[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] 201 |                     let _ = ptrace::write(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 ptrace::write(self.pid, bp as *mut c_void, old_ins as *mut c_void);
[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] 274 |                 let _ = ptrace::write(self.pid, bp as *mut c_void, old_ins as *mut c_void);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             ptrace::setregs(self.pid, registers.to_owned());
[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] 280 |             let _ = ptrace::setregs(self.pid, registers.to_owned());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> dbg/src/main.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(Target::PID(pid)) => {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> dbg/src/main.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     Err(e) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             write!(writer, "({} > {}) ", getppid(), getpid());
[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 `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get_pmap`, `get_mem`, and `read_words` are never used
[INFO] [stdout]    --> dbg/src/repl.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 55  | impl REPL {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn get_pmap(pid: Pid) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn get_mem(pid: Pid) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn read_words(pid: Pid, from: usize, size: usize) -> nix::Result<Vec<(usize, usize)>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FmtThreadName` is never constructed
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct FmtThreadName<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> FmtThreadName<'a> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub(crate) fn new(name: &'a str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ptrace::traceme();
[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] 21 |     let _ = ptrace::traceme();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout] 32 | |                 info!("{:x?}", regs);
[INFO] [stdout] 33 | |                 Ok(())
[INFO] [stdout] 34 | |             });
[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] 31 |             let _ = ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                     ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout] 47 | |                         info!("{:x?}", regs);
[INFO] [stdout] 48 | |                         debug!("checking bps..");
[INFO] [stdout] 49 | |                         repl.check_breakpoints(regs);
[INFO] [stdout] 50 | |                         Ok(())
[INFO] [stdout] 51 | |                     });
[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] 46 |                     let _ = ptrace::getregs(child).and_then(|regs| {
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/main.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   ptrace::attach(child);
[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] 118 |                             let _ = ptrace::attach(child);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/repl.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         std::io::stdout().write("> ".as_bytes());
[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] 66 |         let _ = std::io::stdout().write("> ".as_bytes());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/repl.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         std::io::stdout().flush();
[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] 67 |         let _ = std::io::stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 ptrace::cont(pid, None);
[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] 189 |                 let _ = ptrace::cont(pid, None);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 ptrace::step(pid, None);
[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] 193 |                 let _ = ptrace::step(pid, None);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 | /                     ptrace::write(
[INFO] [stdout] 202 | |                         pid,
[INFO] [stdout] 203 | |                         addr as *mut c_void,
[INFO] [stdout] 204 | |                         (old_ins & (usize::MAX - 0xff) | 0xcc) as *mut c_void,
[INFO] [stdout] 205 | |                     );
[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] 201 |                     let _ = ptrace::write(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 ptrace::write(self.pid, bp as *mut c_void, old_ins as *mut c_void);
[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] 274 |                 let _ = ptrace::write(self.pid, bp as *mut c_void, old_ins as *mut c_void);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> dbg/src/repl.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             ptrace::setregs(self.pid, registers.to_owned());
[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] 280 |             let _ = ptrace::setregs(self.pid, registers.to_owned());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> dbg/src/tracing_formatter.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             write!(writer, "({} > {}) ", getppid(), getpid());
[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 `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "5372661e4c45d38e15f823db0fbf9d268d967b85329202d0c8a88dc439f8735b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372661e4c45d38e15f823db0fbf9d268d967b85329202d0c8a88dc439f8735b", kill_on_drop: false }`
[INFO] [stdout] 5372661e4c45d38e15f823db0fbf9d268d967b85329202d0c8a88dc439f8735b