[INFO] cloning repository https://github.com/pm100/dyncall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pm100/dyncall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fdyncall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fdyncall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ff7328be0174c8f31cd9ef8950bcce5c4f147ee
[INFO] testing pm100/dyncall against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fdyncall" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pm100/dyncall
[INFO] finished tweaking git repo https://github.com/pm100/dyncall
[INFO] tweaked toml for git repo https://github.com/pm100/dyncall written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pm100/dyncall on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pm100/dyncall 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libffi v4.1.2
[INFO] [stderr]   Downloaded cc v1.2.44
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] [stderr]   Downloaded libffi-sys v3.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5844e493bb59bb3c474624f03a9c6f4ffa962507eef81b4f192fa5a4f91f01db
[INFO] running `Command { std: "docker" "start" "-a" "5844e493bb59bb3c474624f03a9c6f4ffa962507eef81b4f192fa5a4f91f01db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5844e493bb59bb3c474624f03a9c6f4ffa962507eef81b4f192fa5a4f91f01db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5844e493bb59bb3c474624f03a9c6f4ffa962507eef81b4f192fa5a4f91f01db", kill_on_drop: false }`
[INFO] [stdout] 5844e493bb59bb3c474624f03a9c6f4ffa962507eef81b4f192fa5a4f91f01db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0057933478d8f653580a2ad50938135b9b22c965b19389891b59fbfc028fc3
[INFO] running `Command { std: "docker" "start" "-a" "5b0057933478d8f653580a2ad50938135b9b22c965b19389891b59fbfc028fc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling libffi-sys v3.3.3
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling libffi v4.1.2
[INFO] [stderr]    Compiling dyncall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `low::types` and `raw::ffi_type`
[INFO] [stdout]  --> src/args.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libffi::{low::types, raw::ffi_type};
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FuncDef`
[INFO] [stdout]  --> src/args.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{invoke::Invocation, FuncDef};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, and `c_void`
[INFO] [stdout]  --> src/caller.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{self, c_void, CStr, CString};
[INFO] [stdout]   |                      ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/caller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/caller.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, ptr};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_as_inner::EnumAsInner`
[INFO] [stdout]   --> src/caller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use enum_as_inner::EnumAsInner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::strlen`
[INFO] [stdout]   --> src/caller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::strlen;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFI_TYPE_DOUBLE`, `FFI_TYPE_FLOAT`, `FFI_TYPE_POINTER`, `FFI_TYPE_SINT16`, `FFI_TYPE_SINT32`, `FFI_TYPE_SINT64`, `FFI_TYPE_SINT8`, `FFI_TYPE_UINT16`, `FFI_TYPE_UINT32`, `FFI_TYPE_UINT64`, `FFI_TYPE_UINT8`, and `ffi_call`
[INFO] [stdout]   --> src/caller.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]    |                              ^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     FFI_TYPE_SINT16, FFI_TYPE_SINT32, FFI_TYPE_SINT64, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     FFI_TYPE_UINT32, FFI_TYPE_UINT64, FFI_TYPE_UINT8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgVal`, `ToArg`, and `ToMutArg`
[INFO] [stdout]   --> src/caller.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::args::{ArgType, ArgVal, LengthDef, ToArg, ToMutArg};
[INFO] [stdout]    |                            ^^^^^^             ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dylib.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     target_os = "bitrig",
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::bail`
[INFO] [stdout]   --> src/dylib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use anyhow::bail;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi_abi_FFI_DEFAULT_ABI`
[INFO] [stdout]  --> src/invoke.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CString`, `c_void`, and `mem`
[INFO] [stdout]  --> src/test.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |         ffi::{c_void, CString},
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^
[INFO] [stdout] 4 |         mem,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::DynCaller`
[INFO] [stdout]  --> src/test.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use crate::DynCaller;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut buffer = self.as_mut_ptr() as *mut c_void;
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/caller.rs:249:18
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let (base_type, my_type) = type_gen(rest);
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_idx`
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/invoke.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         let len = match self.arg_vals.get(*argnum as usize) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/invoke.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/invoke.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, arg_type) in self.func_def.arg_types.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ldef`
[INFO] [stdout]    --> src/invoke.rs:133:35
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ArgType::OCString(ldef) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_ldef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> src/invoke.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_type` is never read
[INFO] [stdout]   --> src/caller.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FuncDef {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) return_type: ArgType,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `prepend_search_path`, `create_path`, `envvar`, `separator`, and `search_path` are never used
[INFO] [stdout]    --> src/dylib.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl DynamicLibrary {
[INFO] [stdout]     | ------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn prepend_search_path(path: &Path) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub fn create_path(path: &[PathBuf]) -> OsString {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn envvar() -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn separator() -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn search_path() -> Vec<PathBuf> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close` is never used
[INFO] [stdout]    --> src/dylib.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub unsafe fn close(handle: *mut u8) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dlclose` is never used
[INFO] [stdout]    --> src/dylib.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |         fn dlclose(handle: *mut libc::c_void) -> libc::c_int;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pre_process_args` is never used
[INFO] [stdout]   --> src/invoke.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Invocation<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn pre_process_args(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/caller.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "5b0057933478d8f653580a2ad50938135b9b22c965b19389891b59fbfc028fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0057933478d8f653580a2ad50938135b9b22c965b19389891b59fbfc028fc3", kill_on_drop: false }`
[INFO] [stdout] 5b0057933478d8f653580a2ad50938135b9b22c965b19389891b59fbfc028fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f3082cfab64e09a51508a02861da87e6deb3842beeb44b5aac823cc255c0f1d
[INFO] running `Command { std: "docker" "start" "-a" "8f3082cfab64e09a51508a02861da87e6deb3842beeb44b5aac823cc255c0f1d", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `low::types` and `raw::ffi_type`
[INFO] [stdout]  --> src/args.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libffi::{low::types, raw::ffi_type};
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FuncDef`
[INFO] [stdout]  --> src/args.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{invoke::Invocation, FuncDef};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, and `c_void`
[INFO] [stdout]  --> src/caller.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{self, c_void, CStr, CString};
[INFO] [stdout]   |                      ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/caller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/caller.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, ptr};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_as_inner::EnumAsInner`
[INFO] [stdout]   --> src/caller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use enum_as_inner::EnumAsInner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::strlen`
[INFO] [stdout]   --> src/caller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::strlen;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFI_TYPE_DOUBLE`, `FFI_TYPE_FLOAT`, `FFI_TYPE_POINTER`, `FFI_TYPE_SINT16`, `FFI_TYPE_SINT32`, `FFI_TYPE_SINT64`, `FFI_TYPE_SINT8`, `FFI_TYPE_UINT16`, `FFI_TYPE_UINT32`, `FFI_TYPE_UINT64`, `FFI_TYPE_UINT8`, and `ffi_call`
[INFO] [stdout]   --> src/caller.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]    |                              ^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     FFI_TYPE_SINT16, FFI_TYPE_SINT32, FFI_TYPE_SINT64, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     FFI_TYPE_UINT32, FFI_TYPE_UINT64, FFI_TYPE_UINT8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgVal`, `ToArg`, and `ToMutArg`
[INFO] [stdout]   --> src/caller.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::args::{ArgType, ArgVal, LengthDef, ToArg, ToMutArg};
[INFO] [stdout]    |                            ^^^^^^             ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dylib.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     target_os = "bitrig",
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::bail`
[INFO] [stdout]   --> src/dylib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use anyhow::bail;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi_abi_FFI_DEFAULT_ABI`
[INFO] [stdout]  --> src/invoke.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CString`, `c_void`, and `mem`
[INFO] [stdout]  --> src/test.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |         ffi::{c_void, CString},
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^
[INFO] [stdout] 4 |         mem,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::DynCaller`
[INFO] [stdout]  --> src/test.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use crate::DynCaller;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut buffer = self.as_mut_ptr() as *mut c_void;
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/caller.rs:249:18
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let (base_type, my_type) = type_gen(rest);
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_idx`
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/invoke.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         let len = match self.arg_vals.get(*argnum as usize) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/invoke.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/invoke.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, arg_type) in self.func_def.arg_types.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ldef`
[INFO] [stdout]    --> src/invoke.rs:133:35
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ArgType::OCString(ldef) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_ldef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> src/invoke.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_type` is never read
[INFO] [stdout]   --> src/caller.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FuncDef {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) return_type: ArgType,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `prepend_search_path`, `create_path`, `envvar`, `separator`, and `search_path` are never used
[INFO] [stdout]    --> src/dylib.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl DynamicLibrary {
[INFO] [stdout]     | ------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn prepend_search_path(path: &Path) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub fn create_path(path: &[PathBuf]) -> OsString {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn envvar() -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn separator() -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn search_path() -> Vec<PathBuf> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close` is never used
[INFO] [stdout]    --> src/dylib.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub unsafe fn close(handle: *mut u8) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dlclose` is never used
[INFO] [stdout]    --> src/dylib.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |         fn dlclose(handle: *mut libc::c_void) -> libc::c_int;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pre_process_args` is never used
[INFO] [stdout]   --> src/invoke.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Invocation<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn pre_process_args(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dyncall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/caller.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `low::types` and `raw::ffi_type`
[INFO] [stdout]  --> src/args.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libffi::{low::types, raw::ffi_type};
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FuncDef`
[INFO] [stdout]  --> src/args.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{invoke::Invocation, FuncDef};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, and `c_void`
[INFO] [stdout]  --> src/caller.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{self, c_void, CStr, CString};
[INFO] [stdout]   |                      ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/caller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/caller.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, ptr};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_as_inner::EnumAsInner`
[INFO] [stdout]   --> src/caller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use enum_as_inner::EnumAsInner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::strlen`
[INFO] [stdout]   --> src/caller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::strlen;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFI_TYPE_DOUBLE`, `FFI_TYPE_FLOAT`, `FFI_TYPE_POINTER`, `FFI_TYPE_SINT16`, `FFI_TYPE_SINT32`, `FFI_TYPE_SINT64`, `FFI_TYPE_SINT8`, `FFI_TYPE_UINT16`, `FFI_TYPE_UINT32`, `FFI_TYPE_UINT64`, `FFI_TYPE_UINT8`, and `ffi_call`
[INFO] [stdout]   --> src/caller.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]    |                              ^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     FFI_TYPE_SINT16, FFI_TYPE_SINT32, FFI_TYPE_SINT64, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     FFI_TYPE_UINT32, FFI_TYPE_UINT64, FFI_TYPE_UINT8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgVal`, `ToArg`, and `ToMutArg`
[INFO] [stdout]   --> src/caller.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::args::{ArgType, ArgVal, LengthDef, ToArg, ToMutArg};
[INFO] [stdout]    |                            ^^^^^^             ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dylib.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     target_os = "bitrig",
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::bail`
[INFO] [stdout]   --> src/dylib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use anyhow::bail;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi_abi_FFI_DEFAULT_ABI`
[INFO] [stdout]  --> src/invoke.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_void` and `mem`
[INFO] [stdout]  --> src/test.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |         ffi::{c_void, CString},
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 4 |         mem,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut buffer = self.as_mut_ptr() as *mut c_void;
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/caller.rs:249:18
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let (base_type, my_type) = type_gen(rest);
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_idx`
[INFO] [stdout]   --> src/invoke.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut val_idx = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/invoke.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         let len = match self.arg_vals.get(*argnum as usize) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/invoke.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/invoke.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, arg_type) in self.func_def.arg_types.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ldef`
[INFO] [stdout]    --> src/invoke.rs:133:35
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ArgType::OCString(ldef) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_ldef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> src/invoke.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/test.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let str = CString::new("12345").unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_type` is never read
[INFO] [stdout]   --> src/caller.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FuncDef {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) return_type: ArgType,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `prepend_search_path`, `create_path`, `envvar`, `separator`, and `search_path` are never used
[INFO] [stdout]    --> src/dylib.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl DynamicLibrary {
[INFO] [stdout]     | ------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn prepend_search_path(path: &Path) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub fn create_path(path: &[PathBuf]) -> OsString {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn envvar() -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn separator() -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn search_path() -> Vec<PathBuf> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close` is never used
[INFO] [stdout]    --> src/dylib.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub unsafe fn close(handle: *mut u8) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dlclose` is never used
[INFO] [stdout]    --> src/dylib.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |         fn dlclose(handle: *mut libc::c_void) -> libc::c_int;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pre_process_args` is never used
[INFO] [stdout]   --> src/invoke.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Invocation<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn pre_process_args(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/caller.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn prep(&self) -> Invocation<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8f3082cfab64e09a51508a02861da87e6deb3842beeb44b5aac823cc255c0f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3082cfab64e09a51508a02861da87e6deb3842beeb44b5aac823cc255c0f1d", kill_on_drop: false }`
[INFO] [stdout] 8f3082cfab64e09a51508a02861da87e6deb3842beeb44b5aac823cc255c0f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eddd91b0dfad56c88d9d902b9116f613ca58c4e0a14fcdaec5790e87ec00040e
[INFO] running `Command { std: "docker" "start" "-a" "eddd91b0dfad56c88d9d902b9116f613ca58c4e0a14fcdaec5790e87ec00040e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `low::types` and `raw::ffi_type`
[INFO] [stderr]  --> src/args.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use libffi::{low::types, raw::ffi_type};
[INFO] [stderr]   |              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FuncDef`
[INFO] [stderr]  --> src/args.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::{invoke::Invocation, FuncDef};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CStr`, `CString`, and `c_void`
[INFO] [stderr]  --> src/caller.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::{self, c_void, CStr, CString};
[INFO] [stderr]   |                      ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/caller.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/caller.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{collections::HashMap, ptr};
[INFO] [stderr]   |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `enum_as_inner::EnumAsInner`
[INFO] [stderr]   --> src/caller.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use enum_as_inner::EnumAsInner;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::strlen`
[INFO] [stderr]   --> src/caller.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use libc::strlen;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FFI_TYPE_DOUBLE`, `FFI_TYPE_FLOAT`, `FFI_TYPE_POINTER`, `FFI_TYPE_SINT16`, `FFI_TYPE_SINT32`, `FFI_TYPE_SINT64`, `FFI_TYPE_SINT8`, `FFI_TYPE_UINT16`, `FFI_TYPE_UINT32`, `FFI_TYPE_UINT64`, `FFI_TYPE_UINT8`, and `ffi_call`
[INFO] [stderr]   --> src/caller.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stderr]    |                              ^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 17 |     FFI_TYPE_SINT16, FFI_TYPE_SINT32, FFI_TYPE_SINT64, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 18 |     FFI_TYPE_UINT32, FFI_TYPE_UINT64, FFI_TYPE_UINT8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArgVal`, `ToArg`, and `ToMutArg`
[INFO] [stderr]   --> src/caller.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::args::{ArgType, ArgVal, LengthDef, ToArg, ToMutArg};
[INFO] [stderr]    |                            ^^^^^^             ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stderr]    --> src/dylib.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     target_os = "bitrig",
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 more
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::bail`
[INFO] [stderr]   --> src/dylib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use anyhow::bail;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi_abi_FFI_DEFAULT_ABI`
[INFO] [stderr]  --> src/invoke.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ffi_abi_FFI_DEFAULT_ABI, ffi_call, FFI_TYPE_DOUBLE, FFI_TYPE_FLOAT, FFI_TYPE_POINTER,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CString`, `c_void`, and `mem`
[INFO] [stderr]  --> src/test.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |         ffi::{c_void, CString},
[INFO] [stderr]   |               ^^^^^^  ^^^^^^^
[INFO] [stderr] 4 |         mem,
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::DynCaller`
[INFO] [stderr]  --> src/test.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use crate::DynCaller;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/args.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut buffer = self.as_mut_ptr() as *mut c_void;
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_type`
[INFO] [stderr]    --> src/caller.rs:249:18
[INFO] [stderr]     |
[INFO] [stderr] 249 |             let (base_type, my_type) = type_gen(rest);
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/invoke.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut val_idx = 0;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val_idx`
[INFO] [stderr]   --> src/invoke.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut val_idx = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/invoke.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let len = match self.arg_vals.get(*argnum as usize) {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]   --> src/invoke.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 | ...                   let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/invoke.rs:131:14
[INFO] [stderr]     |
[INFO] [stderr] 131 |         for (i, arg_type) in self.func_def.arg_types.iter().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ldef`
[INFO] [stderr]    --> src/invoke.rs:133:35
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ArgType::OCString(ldef) => {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_ldef`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]    --> src/invoke.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         let foo = arg_str.as_rust_string_mut().unwrap();
[INFO] [stderr]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stderr] 
[INFO] [stderr] warning: field `return_type` is never read
[INFO] [stderr]   --> src/caller.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct FuncDef {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub(crate) return_type: ArgType,
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FuncDef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `prepend_search_path`, `create_path`, `envvar`, `separator`, and `search_path` are never used
[INFO] [stderr]    --> src/dylib.rs:63:12
[INFO] [stderr]     |
[INFO] [stderr]  37 | impl DynamicLibrary {
[INFO] [stderr]     | ------------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  63 |     pub fn prepend_search_path(path: &Path) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  74 |     pub fn create_path(path: &[PathBuf]) -> OsString {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  87 |     pub fn envvar() -> &'static str {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  97 |     fn separator() -> &'static str {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 107 |     pub fn search_path() -> Vec<PathBuf> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `close` is never used
[INFO] [stderr]    --> src/dylib.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub unsafe fn close(handle: *mut u8) {
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dlclose` is never used
[INFO] [stderr]    --> src/dylib.rs:253:12
[INFO] [stderr]     |
[INFO] [stderr] 253 |         fn dlclose(handle: *mut libc::c_void) -> libc::c_int;
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `pre_process_args` is never used
[INFO] [stderr]   --> src/invoke.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<'a> Invocation<'a> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 78 |     fn pre_process_args(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/caller.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn prep(&self) -> Invocation {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn prep(&self) -> Invocation<'_> {
[INFO] [stderr]    |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `c_void` and `mem`
[INFO] [stderr]  --> src/test.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |         ffi::{c_void, CString},
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 4 |         mem,
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]   --> src/test.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let str = CString::new("12345").unwrap();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr] 
[INFO] [stderr] warning: `dyncall` (lib) generated 29 warnings (run `cargo fix --lib -p dyncall` to apply 23 suggestions)
[INFO] [stderr] warning: `dyncall` (lib test) generated 29 warnings (27 duplicates) (run `cargo fix --lib -p dyncall --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dyncall-57f42cee0dc16711)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test::test_atoi ... FAILED
[INFO] [stdout] test test::test::test_printf ... FAILED
[INFO] [stdout] test test::test::test_scanf ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::test_atoi stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::test_atoi' (25) panicked at src/test.rs:76:86:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: msvcrt.dll: cannot open shared object file: No such file or directory
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::kind::Adhoc::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: dyncall::dylib::dl::check_for_errors_in
[INFO] [stdout]              at ./src/dylib.rs:236:17
[INFO] [stdout]    2: dyncall::dylib::dl::open
[INFO] [stdout]              at ./src/dylib.rs:205:9
[INFO] [stdout]    3: dyncall::dylib::DynamicLibrary::open
[INFO] [stdout]              at ./src/dylib.rs:49:29
[INFO] [stdout]    4: dyncall::caller::DynCaller::get_lib
[INFO] [stdout]              at ./src/caller.rs:71:19
[INFO] [stdout]    5: dyncall::caller::DynCaller::get_entry_point
[INFO] [stdout]              at ./src/caller.rs:83:24
[INFO] [stdout]    6: dyncall::caller::DynCaller::define_function_by_str
[INFO] [stdout]              at ./src/caller.rs:132:14
[INFO] [stdout]    7: dyncall::test::test::test_atoi
[INFO] [stdout]              at ./src/test.rs:76:23
[INFO] [stdout]    8: dyncall::test::test::test_atoi::{{closure}}
[INFO] [stdout]              at ./src/test.rs:74:19
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   11: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   12: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   13: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   14: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   15: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   16: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   17: test::run_test_in_process
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   18: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   19: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   20: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   21: std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   22: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   23: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26: std::thread::lifecycle::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   27: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   29: std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   30: <unknown>
[INFO] [stdout]   31: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649f03bbb402 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649f03bbb402 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649f03bbb402 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x649f03bbb402 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x649f03bcc747 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649f03bcc747 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x649f03b88fe6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x649f03b88fe6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x649f03b99f59 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x649f03b99f59 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x649f03b99df1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x649f03b4f3ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x649f03b4f3ae - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x649f03b9a1d2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x649f03b9a1d2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x649f03b9a018 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x649f03b94c89 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x649f03b7ddad - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x649f03bd3d3c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x649f03bd35b2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x649f03b21fc7 - core::result::Result<T,E>::unwrap::h4be2d9a4b0612a89
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x649f03b21fc7 - dyncall::test::test::test_atoi::h74827cebeddb6850
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:76:86
[INFO] [stdout]   22:     0x649f03b22427 - dyncall::test::test::test_atoi::{{closure}}::he175cbc16d5b1d18
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:74:19
[INFO] [stdout]   23:     0x649f03b2d2c6 - core::ops::function::FnOnce::call_once::h31227b066029dca7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x649f03b4f1db - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x649f03b4f1db - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x649f03b62b6a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x649f03b62b6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x649f03b62b6a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x649f03b62b6a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x649f03b62b6a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x649f03b62b6a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x649f03b62b6a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x649f03b3ce04 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x649f03b3ce04 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x649f03b40732 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x649f03b40732 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x649f03b40732 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x649f03b40732 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x649f03b40732 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x649f03b9031f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x649f03b9031f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x737dfe0acaa4 - <unknown>
[INFO] [stdout]   45:     0x737dfe139a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::test_printf stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::test_printf' (26) panicked at src/test.rs:189:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: msvcrt.dll: cannot open shared object file: No such file or directory
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::kind::Adhoc::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: dyncall::dylib::dl::check_for_errors_in
[INFO] [stdout]              at ./src/dylib.rs:236:17
[INFO] [stdout]    2: dyncall::dylib::dl::open
[INFO] [stdout]              at ./src/dylib.rs:205:9
[INFO] [stdout]    3: dyncall::dylib::DynamicLibrary::open
[INFO] [stdout]              at ./src/dylib.rs:49:29
[INFO] [stdout]    4: dyncall::caller::DynCaller::get_lib
[INFO] [stdout]              at ./src/caller.rs:71:19
[INFO] [stdout]    5: dyncall::caller::DynCaller::get_entry_point
[INFO] [stdout]              at ./src/caller.rs:83:24
[INFO] [stdout]    6: dyncall::caller::DynCaller::define_function_by_str
[INFO] [stdout]              at ./src/caller.rs:132:14
[INFO] [stdout]    7: dyncall::test::test::test_printf
[INFO] [stdout]              at ./src/test.rs:188:13
[INFO] [stdout]    8: dyncall::test::test::test_printf::{{closure}}
[INFO] [stdout]              at ./src/test.rs:185:21
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   11: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   12: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   13: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   14: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   15: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   16: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   17: test::run_test_in_process
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   18: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   19: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   20: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   21: std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   22: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   23: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26: std::thread::lifecycle::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   27: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   29: std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   30: <unknown>
[INFO] [stdout]   31: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649f03bbb402 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649f03bbb402 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649f03bbb402 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x649f03bbb402 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x649f03bcc747 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649f03bcc747 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x649f03b88fe6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x649f03b88fe6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x649f03b99f59 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x649f03b99f59 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x649f03b99df1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x649f03b4f3ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x649f03b4f3ae - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x649f03b9a1d2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x649f03b9a1d2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x649f03b9a018 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x649f03b94c89 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x649f03b7ddad - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x649f03bd3d3c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x649f03bd35b2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x649f03b21bf7 - core::result::Result<T,E>::unwrap::h4be2d9a4b0612a89
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x649f03b21bf7 - dyncall::test::test::test_printf::h27ae323af17d7856
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:189:18
[INFO] [stdout]   22:     0x649f03b21f37 - dyncall::test::test::test_printf::{{closure}}::h4a7316694cbf37d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:185:21
[INFO] [stdout]   23:     0x649f03b2d286 - core::ops::function::FnOnce::call_once::h2c74a53edefcbb53
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x649f03b4f1db - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x649f03b4f1db - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x649f03b62b6a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x649f03b62b6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x649f03b62b6a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x649f03b62b6a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x649f03b62b6a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x649f03b62b6a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x649f03b62b6a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x649f03b3ce04 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x649f03b3ce04 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x649f03b40732 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x649f03b40732 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x649f03b40732 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x649f03b40732 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x649f03b40732 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x649f03b9031f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x649f03b9031f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x737dfe0acaa4 - <unknown>
[INFO] [stdout]   45:     0x737dfe139a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::test_scanf stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::test_scanf' (27) panicked at src/test.rs:208:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: msvcrt.dll: cannot open shared object file: No such file or directory
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::kind::Adhoc::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: dyncall::dylib::dl::check_for_errors_in
[INFO] [stdout]              at ./src/dylib.rs:236:17
[INFO] [stdout]    2: dyncall::dylib::dl::open
[INFO] [stdout]              at ./src/dylib.rs:205:9
[INFO] [stdout]    3: dyncall::dylib::DynamicLibrary::open
[INFO] [stdout]              at ./src/dylib.rs:49:29
[INFO] [stdout]    4: dyncall::caller::DynCaller::get_lib
[INFO] [stdout]              at ./src/caller.rs:71:19
[INFO] [stdout]    5: dyncall::caller::DynCaller::get_entry_point
[INFO] [stdout]              at ./src/caller.rs:83:24
[INFO] [stdout]    6: dyncall::caller::DynCaller::define_function_by_str
[INFO] [stdout]              at ./src/caller.rs:132:14
[INFO] [stdout]    7: dyncall::test::test::test_scanf
[INFO] [stdout]              at ./src/test.rs:207:13
[INFO] [stdout]    8: dyncall::test::test::test_scanf::{{closure}}
[INFO] [stdout]              at ./src/test.rs:202:20
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   11: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   12: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   13: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   14: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   15: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   16: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   17: test::run_test_in_process
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   18: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   19: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   20: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   21: std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   22: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   23: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26: std::thread::lifecycle::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   27: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   29: std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   30: <unknown>
[INFO] [stdout]   31: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649f03bbb402 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649f03bbb402 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649f03bbb402 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x649f03bbb402 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x649f03bcc747 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649f03bcc747 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x649f03b88fe6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x649f03b88fe6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x649f03b99f59 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x649f03b99f59 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x649f03b99df1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x649f03b4f3ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x649f03b4f3ae - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x649f03b9a1d2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x649f03b9a1d2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x649f03b9a018 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x649f03b94c89 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x649f03b7ddad - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x649f03bd3d3c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x649f03bd35b2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x649f03b21800 - core::result::Result<T,E>::unwrap::h4be2d9a4b0612a89
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x649f03b21800 - dyncall::test::test::test_scanf::h70c5bdc86c9d39ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:208:18
[INFO] [stdout]   22:     0x649f03b21b67 - dyncall::test::test::test_scanf::{{closure}}::h1d922d3da5620659
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:202:20
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   23:     0x649f03b2d396 - core::ops::function::FnOnce::call_once::h496f69f37a458ba1
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x649f03b4f1db - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x649f03b4f1db - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x649f03b62b6a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x649f03b62b6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x649f03b62b6a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x649f03b62b6a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x649f03b62b6a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x649f03b62b6a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x649f03b62b6a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x649f03b3ce04 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x649f03b3ce04 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x649f03b40732 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x649f03b40732 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x649f03b40732 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x649f03b40732 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x649f03b40732 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x649f03b40732 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x649f03b9031f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x649f03b9031f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x737dfe0acaa4 - <unknown>
[INFO] [stdout]   45:     0x737dfe139a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test::test_atoi
[INFO] [stdout]     test::test::test_printf
[INFO] [stdout]     test::test::test_scanf
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eddd91b0dfad56c88d9d902b9116f613ca58c4e0a14fcdaec5790e87ec00040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddd91b0dfad56c88d9d902b9116f613ca58c4e0a14fcdaec5790e87ec00040e", kill_on_drop: false }`
[INFO] [stdout] eddd91b0dfad56c88d9d902b9116f613ca58c4e0a14fcdaec5790e87ec00040e
