[INFO] cloning repository https://github.com/jsgf/ruskcov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsgf/ruskcov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsgf%2Fruskcov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsgf%2Fruskcov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bcef09cd2817b759b195c155a24079783d966ef
[INFO] checking jsgf/ruskcov against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsgf%2Fruskcov" "/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/jsgf/ruskcov on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsgf/ruskcov
[INFO] finished tweaking git repo https://github.com/jsgf/ruskcov
[INFO] tweaked toml for git repo https://github.com/jsgf/ruskcov written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsgf/ruskcov 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gimli-rs/findshlibs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143ba01b30e2028fddd92d94cae68fc3d54c9886ce2cf11eb7411f7c5868a53d
[INFO] running `Command { std: "docker" "start" "-a" "143ba01b30e2028fddd92d94cae68fc3d54c9886ce2cf11eb7411f7c5868a53d", kill_on_drop: false }`
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[INFO] [stdout] 5822bafb9fe03899f28ad42d618ab9a9514568f64ffc12c1657f1d27442ba4f3
[INFO] running `Command { std: "docker" "start" "-a" "5822bafb9fe03899f28ad42d618ab9a9514568f64ffc12c1657f1d27442ba4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]    Compiling nix v0.16.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking tinyset v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking uuid v0.8.1
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[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
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[INFO] [stderr]     Checking itertools v0.8.2
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[INFO] [stderr]     Checking crc v1.8.1
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking gimli v0.19.0
[INFO] [stderr]    Compiling ruskcov-inject v0.1.0 (/opt/rustwide/workdir/inject)
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking findshlibs v0.6.0 (https://github.com/gimli-rs/findshlibs.git#760f122b)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking state v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking internment v0.3.10
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.1.2
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking inject-types v0.1.0 (/opt/rustwide/workdir/inject-types)
[INFO] [stderr]     Checking object v0.16.0
[INFO] [stdout] warning: unused imports: `SIGSTOP`, `raise`
[INFO] [stdout]   --> inject/src/lib.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc::{c_char, c_int, c_void, dlsym, raise, size_t, RTLD_NEXT, SIGSTOP};
[INFO] [stdout]    |                                          ^^^^^                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `OsStr`, `ffi::OsStrExt`, `slice`
[INFO] [stdout]   --> inject/src/lib.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ffi::{CStr, OsStr},
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     os::unix::{ffi::OsStrExt, net::UnixStream},
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 25 |     path::PathBuf,
[INFO] [stdout] 26 |     ptr, slice,
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SIGSTOP`, `raise`
[INFO] [stdout]   --> inject/src/lib.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc::{c_char, c_int, c_void, dlsym, raise, size_t, RTLD_NEXT, SIGSTOP};
[INFO] [stdout]    |                                          ^^^^^                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `OsStr`, `ffi::OsStrExt`, `slice`
[INFO] [stdout]   --> inject/src/lib.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ffi::{CStr, OsStr},
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     os::unix::{ffi::OsStrExt, net::UnixStream},
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 25 |     path::PathBuf,
[INFO] [stdout] 26 |     ptr, slice,
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ruskcov v0.1.0 (/opt/rustwide/workdir/ruskcov)
[INFO] [stdout] warning: unused imports: `BreakpointInst`, `SetBreakpointsResp`
[INFO] [stdout]  --> ruskcov/src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use inject_types::{BreakpointInst, ObjectInfo, SetBreakpointsReq, SetBreakpointsResp, SOCKET_ENV};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref`, `Index`, `Range`, `borrow::Borrow`, `iter`, `process::CommandExt`, `self`
[INFO] [stdout]   --> ruskcov/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     borrow::Borrow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     io::{self, BufReader, BufWriter, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 16 |     iter,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     ops::{Deref, Index, Range},
[INFO] [stdout]    |           ^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 18 |     os::unix::{ffi::OsStrExt, net::UnixListener, process::CommandExt},
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ObjectInfo`, `SOCKET_ENV`, `SetBreakpointsReq`, `SetBreakpointsResp`
[INFO] [stdout]  --> ruskcov/src/srcloc.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use inject_types::{BreakpointInst, ObjectInfo, SetBreakpointsReq, SetBreakpointsResp, SOCKET_ENV};
[INFO] [stdout]   |                                    ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> ruskcov/src/ptrace_x86.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::ptrace`
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         use nix::sys::ptrace;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BreakpointInst`, `SetBreakpointsResp`
[INFO] [stdout]  --> ruskcov/src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use inject_types::{BreakpointInst, ObjectInfo, SetBreakpointsReq, SetBreakpointsResp, SOCKET_ENV};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref`, `Index`, `Range`, `borrow::Borrow`, `iter`, `process::CommandExt`, `self`
[INFO] [stdout]   --> ruskcov/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     borrow::Borrow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     io::{self, BufReader, BufWriter, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 16 |     iter,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     ops::{Deref, Index, Range},
[INFO] [stdout]    |           ^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 18 |     os::unix::{ffi::OsStrExt, net::UnixListener, process::CommandExt},
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ObjectInfo`, `SOCKET_ENV`, `SetBreakpointsReq`, `SetBreakpointsResp`
[INFO] [stdout]  --> ruskcov/src/srcloc.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use inject_types::{BreakpointInst, ObjectInfo, SetBreakpointsReq, SetBreakpointsResp, SOCKET_ENV};
[INFO] [stdout]   |                                    ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> ruskcov/src/ptrace_x86.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::ptrace`
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         use nix::sys::ptrace;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from(v: VoidReg) -> u64 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from(v: VoidReg) -> u64 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> ruskcov/src/main.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let state = state.clone();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:30
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:35
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coredumped`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coredumped`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:351:33
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     PtraceEvent(pid, sig, event) => {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ruskcov/src/main.rs:351:38
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     PtraceEvent(pid, sig, event) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:355:35
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     PtraceSyscall(pid) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:356:31
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     Continued(pid) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ruskcov/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut state = Arc::new(Mutex::new(State::new(child)));
[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: fields `primary` and `tracees` are never read
[INFO] [stdout]   --> ruskcov/src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 79 |     primary: Child,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 80 |     tracees: HashSet<u32>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_child` is never used
[INFO] [stdout]   --> ruskcov/src/main.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn add_child(&mut self, child: &Child) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bytes` and `subslice_from_slice` are never used
[INFO] [stdout]   --> ruskcov/src/mapped_slice.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl MappedSlice {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn subslice_from_slice(&self, slice: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> ruskcov/src/process.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Segment {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 14 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `breakpoints` and `segments` are never read
[INFO] [stdout]   --> ruskcov/src/process.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct AddressSpace {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 19 |     /// Breakpoints by address
[INFO] [stdout] 20 |     breakpoints: HashMap<u64, Location>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     /// Segment by address
[INFO] [stdout] 22 |     segments: BTreeMap<u64, Segment>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddressSpace` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `state`, and `addrspace` are never read
[INFO] [stdout]   --> ruskcov/src/process.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Process {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 28 |     pid: Pid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     state: ProcessState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     addrspace: Arc<AddressSpace>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Process` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `New`, `Running`, `Stopped`, and `Exiting` are never constructed
[INFO] [stdout]   --> ruskcov/src/process.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum ProcessState {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 35 |     /// Newly created; sole owner of address space (ie, main thread)
[INFO] [stdout] 36 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     /// Running
[INFO] [stdout] 38 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 39 |     /// Stopped by ptrace event
[INFO] [stdout] 40 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     /// Exiting
[INFO] [stdout] 42 |     Exiting,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_thread`, and `exec` are never used
[INFO] [stdout]   --> ruskcov/src/process.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Process {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 46 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn new_thread(&self, pid: Pid) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn exec(&mut self, segments: impl IntoIterator<Item = (u64, u64)>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_rc` is never used
[INFO] [stdout]   --> ruskcov/src/symtab.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Context<gimli::EndianRcSlice<gimli::RunTimeEndian>> {
[INFO] [stdout]    | -------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     /// Copy debug sections from the object file and manage them with Rc.
[INFO] [stdout] 37 |     pub fn new_rc<'data, 'file, O: object::Object<'data, 'file>>(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_arc` is never used
[INFO] [stdout]   --> ruskcov/src/symtab.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Context<gimli::EndianArcSlice<gimli::RunTimeEndian>> {
[INFO] [stdout]    | --------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 85 |     /// Copy debug sections from the object file and manage them with Arc.
[INFO] [stdout] 86 |     pub fn new_arc<'data, 'file, O: object::Object<'data, 'file>>(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_unit`, `find_location`, `find_frames`, `parse_lines`, and `parse_functions` are never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl<R: gimli::Reader> Context<R> {
[INFO] [stdout]     | --------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn find_unit(&self, probe: u64) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 319 |     pub fn find_location(&self, probe: u64) -> Result<Option<Location<'_>>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn find_frames(&self, probe: u64) -> Result<FrameIter<R>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     pub fn parse_lines(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     pub fn parse_functions(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequences` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 377 | struct Lines {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 378 |     files: Vec<String>,
[INFO] [stdout] 379 |     sequences: Vec<LineSequence>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end` and `rows` are never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | struct LineSequence {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 383 |     start: u64,
[INFO] [stdout] 384 |     end: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 385 |     rows: Vec<LineRow>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `depth` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:397:5
[INFO] [stdout]     |
[INFO] [stdout] 395 | struct Func<T> {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 396 |     entry_off: gimli::UnitOffset<T>,
[INFO] [stdout] 397 |     depth: isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `funcs` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 400 | struct ResUnit<R>
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 407 |     funcs: LazyCell<Result<IntervalTree<u64, Func<R::Offset>>, Error>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_functions` and `find_location` are never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:478:8
[INFO] [stdout]     |
[INFO] [stdout] 410 | / impl<R> ResUnit<R>
[INFO] [stdout] 411 | | where
[INFO] [stdout] 412 | |     R: gimli::Reader,
[INFO] [stdout]     | |_____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 478 |       fn parse_functions(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |       fn find_location(
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `raw_name` is never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:775:12
[INFO] [stdout]     |
[INFO] [stdout] 773 | impl<R: gimli::Reader> FunctionName<R> {
[INFO] [stdout]     | -------------------------------------- method in this implementation
[INFO] [stdout] 774 |     /// The raw name of this function before demangling.
[INFO] [stdout] 775 |     pub fn raw_name(&self) -> Result<Cow<str>, Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NT_PRFPREG` is never used
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const NT_PRFPREG: u32 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> ruskcov/src/main.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let state = state.clone();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:30
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:35
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coredumped`
[INFO] [stdout]    --> ruskcov/src/main.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     Signaled(pid, sig, coredumped) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coredumped`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:351:33
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     PtraceEvent(pid, sig, event) => {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ruskcov/src/main.rs:351:38
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     PtraceEvent(pid, sig, event) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:355:35
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     PtraceSyscall(pid) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> ruskcov/src/main.rs:356:31
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     Continued(pid) => unimplemented!("{:?}", status),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ruskcov/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut state = Arc::new(Mutex::new(State::new(child)));
[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: fields `primary` and `tracees` are never read
[INFO] [stdout]   --> ruskcov/src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 79 |     primary: Child,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 80 |     tracees: HashSet<u32>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_child` is never used
[INFO] [stdout]   --> ruskcov/src/main.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn add_child(&mut self, child: &Child) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bytes` and `subslice_from_slice` are never used
[INFO] [stdout]   --> ruskcov/src/mapped_slice.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl MappedSlice {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn subslice_from_slice(&self, slice: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> ruskcov/src/process.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Segment {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 14 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `breakpoints` and `segments` are never read
[INFO] [stdout]   --> ruskcov/src/process.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct AddressSpace {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 19 |     /// Breakpoints by address
[INFO] [stdout] 20 |     breakpoints: HashMap<u64, Location>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     /// Segment by address
[INFO] [stdout] 22 |     segments: BTreeMap<u64, Segment>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddressSpace` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid`, `state`, and `addrspace` are never read
[INFO] [stdout]   --> ruskcov/src/process.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Process {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 28 |     pid: Pid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     state: ProcessState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     addrspace: Arc<AddressSpace>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Process` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `New`, `Running`, `Stopped`, and `Exiting` are never constructed
[INFO] [stdout]   --> ruskcov/src/process.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum ProcessState {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 35 |     /// Newly created; sole owner of address space (ie, main thread)
[INFO] [stdout] 36 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     /// Running
[INFO] [stdout] 38 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 39 |     /// Stopped by ptrace event
[INFO] [stdout] 40 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     /// Exiting
[INFO] [stdout] 42 |     Exiting,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_thread`, and `exec` are never used
[INFO] [stdout]   --> ruskcov/src/process.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Process {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 46 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn new_thread(&self, pid: Pid) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn exec(&mut self, segments: impl IntoIterator<Item = (u64, u64)>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_rc` is never used
[INFO] [stdout]   --> ruskcov/src/symtab.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Context<gimli::EndianRcSlice<gimli::RunTimeEndian>> {
[INFO] [stdout]    | -------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     /// Copy debug sections from the object file and manage them with Rc.
[INFO] [stdout] 37 |     pub fn new_rc<'data, 'file, O: object::Object<'data, 'file>>(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_arc` is never used
[INFO] [stdout]   --> ruskcov/src/symtab.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Context<gimli::EndianArcSlice<gimli::RunTimeEndian>> {
[INFO] [stdout]    | --------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 85 |     /// Copy debug sections from the object file and manage them with Arc.
[INFO] [stdout] 86 |     pub fn new_arc<'data, 'file, O: object::Object<'data, 'file>>(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_unit`, `find_location`, `find_frames`, `parse_lines`, and `parse_functions` are never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl<R: gimli::Reader> Context<R> {
[INFO] [stdout]     | --------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn find_unit(&self, probe: u64) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 319 |     pub fn find_location(&self, probe: u64) -> Result<Option<Location<'_>>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn find_frames(&self, probe: u64) -> Result<FrameIter<R>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     pub fn parse_lines(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     pub fn parse_functions(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequences` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 377 | struct Lines {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 378 |     files: Vec<String>,
[INFO] [stdout] 379 |     sequences: Vec<LineSequence>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end` and `rows` are never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | struct LineSequence {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 383 |     start: u64,
[INFO] [stdout] 384 |     end: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 385 |     rows: Vec<LineRow>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `depth` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:397:5
[INFO] [stdout]     |
[INFO] [stdout] 395 | struct Func<T> {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 396 |     entry_off: gimli::UnitOffset<T>,
[INFO] [stdout] 397 |     depth: isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `funcs` is never read
[INFO] [stdout]    --> ruskcov/src/symtab.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 400 | struct ResUnit<R>
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 407 |     funcs: LazyCell<Result<IntervalTree<u64, Func<R::Offset>>, Error>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_functions` and `find_location` are never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:478:8
[INFO] [stdout]     |
[INFO] [stdout] 410 | / impl<R> ResUnit<R>
[INFO] [stdout] 411 | | where
[INFO] [stdout] 412 | |     R: gimli::Reader,
[INFO] [stdout]     | |_____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 478 |       fn parse_functions(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |       fn find_location(
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `raw_name` is never used
[INFO] [stdout]    --> ruskcov/src/symtab.rs:775:12
[INFO] [stdout]     |
[INFO] [stdout] 773 | impl<R: gimli::Reader> FunctionName<R> {
[INFO] [stdout]     | -------------------------------------- method in this implementation
[INFO] [stdout] 774 |     /// The raw name of this function before demangling.
[INFO] [stdout] 775 |     pub fn raw_name(&self) -> Result<Cow<str>, Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NT_PRFPREG` is never used
[INFO] [stdout]   --> ruskcov/src/ptrace_x86.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const NT_PRFPREG: u32 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "5822bafb9fe03899f28ad42d618ab9a9514568f64ffc12c1657f1d27442ba4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5822bafb9fe03899f28ad42d618ab9a9514568f64ffc12c1657f1d27442ba4f3", kill_on_drop: false }`
[INFO] [stdout] 5822bafb9fe03899f28ad42d618ab9a9514568f64ffc12c1657f1d27442ba4f3
