[INFO] cloning repository https://github.com/void3000/whisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/void3000/whisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid3000%2Fwhisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid3000%2Fwhisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09e01e815c89ebcae668fe52ee0df4497be0518f
[INFO] checking void3000/whisp against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid3000%2Fwhisp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/void3000/whisp
[INFO] finished tweaking git repo https://github.com/void3000/whisp
[INFO] tweaked toml for git repo https://github.com/void3000/whisp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/void3000/whisp on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/void3000/whisp 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused field `repository` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | repository = "https://github.com/void3000/whisp"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.repository`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: binary `whisp_cli` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../whisp_cli
[INFO] [stderr]   |                                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `whisp-cli`, convert `bin.name`
[INFO] [stderr]  --> whisp-cli/Cargo.toml:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 - name = "whisp_cli"
[INFO] [stderr] 7 + name = "whisp-cli"
[INFO] [stderr]   |
[INFO] [stderr] warning: `whisp_cli` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e
[INFO] running `Command { std: "docker" "start" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused field `repository` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | repository = "https://github.com/void3000/whisp"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.repository`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: binary `whisp_cli` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../whisp_cli
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `whisp-cli`, convert `bin.name`
[INFO] [stderr]  --> whisp-cli/Cargo.toml:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 - name = "whisp_cli"
[INFO] [stderr] 7 + name = "whisp-cli"
[INFO] [stderr]   |
[INFO] [stderr] warning: `whisp_cli` (manifest) generated 1 warning
[INFO] [stderr]     Checking whisp_lexer v0.1.0 (/opt/rustwide/workdir/whisp-lexer)
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking whisp_parser v0.1.0 (/opt/rustwide/workdir/whisp-parser)
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stdout] warning: unused import: `SymbolTable`
[INFO] [stdout]  --> whisp-parser/src/parser/statements.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::symbol::{ SymbolTable, SymbolInfo };
[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 imports: `SymbolInfo` and `SymbolTable`
[INFO] [stdout]  --> whisp-parser/src/parser/expressions.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::symbol::{ SymbolTable, SymbolInfo };
[INFO] [stdout]   |                      ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SymbolTable`
[INFO] [stdout]  --> whisp-parser/src/parser/control_flow.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::symbol::{ SymbolTable, SymbolInfo };
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SymbolTable`
[INFO] [stdout]  --> whisp-parser/src/parser/functions.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::symbol::{ SymbolTable, SymbolInfo };
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ops::Operation`
[INFO] [stdout]  --> whisp-parser/src/parser/functions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ops::Operation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> whisp-parser/src/parser/expressions.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |             self.expect(Token::RBracket);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |             let _ = self.expect(Token::RBracket);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> whisp-parser/src/parser/control_flow.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.expect(Token::Else);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = self.expect(Token::Else);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking whisp_runtime v0.1.0 (/opt/rustwide/workdir/whisp-runtime)
[INFO] [stdout] warning: unused import: `SymbolTable`
[INFO] [stdout]  --> whisp-parser/src/parser/control_flow.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::symbol::{ SymbolTable, SymbolInfo };
[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: `super::*`
[INFO] [stdout]    --> whisp-parser/src/parser/control_flow.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> whisp-lexer/src/lexer.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut token = stream.next();
[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] [stderr]     Checking whisp v0.1.0 (/opt/rustwide/workdir/whisp)
[INFO] [stdout] warning: unused import: `crate::module::object::ModuleObject`
[INFO] [stdout]  --> whisp/src/module/spec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::module::object::ModuleObject;
[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: `whisp_runtime::object::WhispObj`
[INFO] [stdout]  --> whisp/src/importer/builtinimporter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use whisp_runtime::object::WhispObj;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> whisp/src/importer/builtinimporter.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         /// Global tables
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |         let sym = Rc::new(RefCell::new(SymbolTable::new()));
[INFO] [stdout]    |         ---------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         /// Register builtin functions
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |         builtin::register_builtins(&mut env.borrow_mut(), &mut sym.borrow_mut());
[INFO] [stdout]    |         ------------------------------------------------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         /// Ready the interpreter
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 48 |         let eval = Box::new(Interpreter::new(Rc::clone(&env)));
[INFO] [stdout]    |         ------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         /// Rust complains about short lived temporary variable.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 71 |         let mut binding = self.sym.borrow_mut();
[INFO] [stdout]    |         ---------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::module::object::ModuleObject`
[INFO] [stdout]  --> whisp/src/module/spec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::module::object::ModuleObject;
[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: `std::env`
[INFO] [stdout]   --> whisp/src/importer/builtinimporter.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> whisp/src/importer/builtinimporter.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         /// Global tables
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |         let sym = Rc::new(RefCell::new(SymbolTable::new()));
[INFO] [stdout]    |         ---------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         /// Register builtin functions
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |         builtin::register_builtins(&mut env.borrow_mut(), &mut sym.borrow_mut());
[INFO] [stdout]    |         ------------------------------------------------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         /// Ready the interpreter
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 48 |         let eval = Box::new(Interpreter::new(Rc::clone(&env)));
[INFO] [stdout]    |         ------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> whisp/src/whisp.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         /// Rust complains about short lived temporary variable.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 71 |         let mut binding = self.sym.borrow_mut();
[INFO] [stdout]    |         ---------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> whisp-parser/src/parser/expressions.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |             self.expect(Token::RBracket);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |             let _ = self.expect(Token::RBracket);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> whisp-parser/src/parser/control_flow.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.expect(Token::Else);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = self.expect(Token::Else);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e", kill_on_drop: false }`
[INFO] [stdout] ef44870a832aeb84b891023ac1679b383b7fbdb0a328b69e23fe94a3960e5b2e
