[INFO] fetching crate cxterminfo 0.2.0...
[INFO] checking cxterminfo-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate cxterminfo 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cxterminfo 0.2.0
[INFO] finished tweaking crates.io crate cxterminfo 0.2.0
[INFO] tweaked toml for crates.io crate cxterminfo 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cxterminfo 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cxterminfo` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b
[INFO] running `Command { std: "docker" "start" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b", 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" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b", 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" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cxterminfo` (manifest) generated 3 warnings
[INFO] [stderr]     Checking cxterminfo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/terminfo.rs:134:28
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Some(self.data[(self.offset_bool() + idx)] == 1)
[INFO] [stdout]     |                            ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -             Some(self.data[(self.offset_bool() + idx)] == 1)
[INFO] [stdout] 134 +             Some(self.data[self.offset_bool() + idx] == 1)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:248:32
[INFO] [stdout]     |
[INFO] [stdout] 248 |                         '+' => (fi + si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 248 -                         '+' => (fi + si),
[INFO] [stdout] 248 +                         '+' => fi + si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                         '-' => (fi - si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -                         '-' => (fi - si),
[INFO] [stdout] 249 +                         '-' => fi - si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |                         '*' => (fi * si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -                         '*' => (fi * si),
[INFO] [stdout] 250 +                         '*' => fi * si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         '/' => (fi / si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 251 -                         '/' => (fi / si),
[INFO] [stdout] 251 +                         '/' => fi / si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:252:32
[INFO] [stdout]     |
[INFO] [stdout] 252 |                         'm' => (fi % si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 252 -                         'm' => (fi % si),
[INFO] [stdout] 252 +                         'm' => fi % si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:253:32
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         '^' => (fi ^ si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -                         '^' => (fi ^ si),
[INFO] [stdout] 253 +                         '^' => fi ^ si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:254:32
[INFO] [stdout]     |
[INFO] [stdout] 254 |                         '&' => (fi & si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 -                         '&' => (fi & si),
[INFO] [stdout] 254 +                         '&' => fi & si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:255:32
[INFO] [stdout]     |
[INFO] [stdout] 255 |                         '|' => (fi | si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                         '|' => (fi | si),
[INFO] [stdout] 255 +                         '|' => fi | si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/terminfo.rs:134:28
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Some(self.data[(self.offset_bool() + idx)] == 1)
[INFO] [stdout]     |                            ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -             Some(self.data[(self.offset_bool() + idx)] == 1)
[INFO] [stdout] 134 +             Some(self.data[self.offset_bool() + idx] == 1)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:248:32
[INFO] [stdout]     |
[INFO] [stdout] 248 |                         '+' => (fi + si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 248 -                         '+' => (fi + si),
[INFO] [stdout] 248 +                         '+' => fi + si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                         '-' => (fi - si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -                         '-' => (fi - si),
[INFO] [stdout] 249 +                         '-' => fi - si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |                         '*' => (fi * si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -                         '*' => (fi * si),
[INFO] [stdout] 250 +                         '*' => fi * si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         '/' => (fi / si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 251 -                         '/' => (fi / si),
[INFO] [stdout] 251 +                         '/' => fi / si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:252:32
[INFO] [stdout]     |
[INFO] [stdout] 252 |                         'm' => (fi % si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 252 -                         'm' => (fi % si),
[INFO] [stdout] 252 +                         'm' => fi % si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:253:32
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         '^' => (fi ^ si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -                         '^' => (fi ^ si),
[INFO] [stdout] 253 +                         '^' => fi ^ si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:254:32
[INFO] [stdout]     |
[INFO] [stdout] 254 |                         '&' => (fi & si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 -                         '&' => (fi & si),
[INFO] [stdout] 254 +                         '&' => fi & si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/param_string.rs:255:32
[INFO] [stdout]     |
[INFO] [stdout] 255 |                         '|' => (fi | si),
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                         '|' => (fi | si),
[INFO] [stdout] 255 +                         '|' => fi | si,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[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] 339 |                 let _ = &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 &str_values.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 let _ = &str_values.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 &names.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let _ = &names.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 let _ = &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 | /                 &info.ext_numbers
[INFO] [stdout] 385 | |                      .insert(names[i + ext_bool_count - 1].to_string(), number_values[i]);
[INFO] [stdout]     | |_________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let _ = &info.ext_numbers
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 | /                 &info.ext_strings.insert(
[INFO] [stdout] 391 | |                     names[i + ext_bool_count + ext_number_count].to_string(),
[INFO] [stdout] 392 | |                     str_values[i].to_string(),
[INFO] [stdout] 393 | |                 );
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = &info.ext_strings.insert(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `Result<CString, NulError>`.
[INFO] [stdout]    --> src/param_string.rs:366:68
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   Param::Word(_) => sprintf!(printf_fmt, CString::new(a.as_str())),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Result<CString, NulError>` does not implement `VaArgSafe`
[INFO] [stdout]    --> src/param_string.rs:366:68
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   Param::Word(_) => sprintf!(printf_fmt, CString::new(a.as_str())),
[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 `cxterminfo` (lib test) due to 1 previous error; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[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] 339 |                 let _ = &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 &str_values.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 let _ = &str_values.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 &names.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let _ = &names.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 let _ = &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 | /                 &info.ext_numbers
[INFO] [stdout] 385 | |                      .insert(names[i + ext_bool_count - 1].to_string(), number_values[i]);
[INFO] [stdout]     | |_________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let _ = &info.ext_numbers
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 | /                 &info.ext_strings.insert(
[INFO] [stdout] 391 | |                     names[i + ext_bool_count + ext_number_count].to_string(),
[INFO] [stdout] 392 | |                     str_values[i].to_string(),
[INFO] [stdout] 393 | |                 );
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = &info.ext_strings.insert(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `Result<CString, NulError>`.
[INFO] [stdout]    --> src/param_string.rs:366:68
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   Param::Word(_) => sprintf!(printf_fmt, CString::new(a.as_str())),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Result<CString, NulError>` does not implement `VaArgSafe`
[INFO] [stdout]    --> src/param_string.rs:366:68
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   Param::Word(_) => sprintf!(printf_fmt, CString::new(a.as_str())),
[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 `cxterminfo` (lib) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b", kill_on_drop: false }`
[INFO] [stdout] 401241e7f9c37a498f01f29cbdbdc38fd05b2e953c7f675d6cded5f3ab60a88b
