[INFO] fetching crate geoip 0.0.14...
[INFO] checking geoip-0.0.14 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate geoip 0.0.14 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate geoip 0.0.14 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geoip 0.0.14
[INFO] finished tweaking crates.io crate geoip 0.0.14
[INFO] tweaked toml for crates.io crate geoip 0.0.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 671aab5372dacfae20cc7f974595c739cd3ea463ddc6bea91df4ba401b7d0902
[INFO] running `Command { std: "docker" "start" "-a" "671aab5372dacfae20cc7f974595c739cd3ea463ddc6bea91df4ba401b7d0902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "671aab5372dacfae20cc7f974595c739cd3ea463ddc6bea91df4ba401b7d0902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671aab5372dacfae20cc7f974595c739cd3ea463ddc6bea91df4ba401b7d0902", kill_on_drop: false }`
[INFO] [stdout] 671aab5372dacfae20cc7f974595c739cd3ea463ddc6bea91df4ba401b7d0902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dbf96aafa0614160e6908048bb82130924385bfe673c8c4b8c00386b26183e9
[INFO] running `Command { std: "docker" "start" "-a" "4dbf96aafa0614160e6908048bb82130924385bfe673c8c4b8c00386b26183e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking geoip-sys v0.0.14
[INFO] [stderr]     Checking geoip v0.0.14 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/geoip/lib.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/geoip/lib.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/geoip/lib.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             std::mem::forget(cres);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `*const GeoIpRecord`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 346 -             std::mem::forget(cres);
[INFO] [stdout] 346 +             let _ = cres;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:354:58
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 ffi::CString::new(country_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:355:57
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 ffi::CString::new(region_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:376:58
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 ffi::CString::new(country_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:377:57
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 ffi::CString::new(region_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `geoip` (lib) due to 9 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/geoip/lib.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             std::mem::forget(cres);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `*const GeoIpRecord`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 346 -             std::mem::forget(cres);
[INFO] [stdout] 346 +             let _ = cres;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:354:58
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 ffi::CString::new(country_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:355:57
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 ffi::CString::new(region_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:376:58
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 ffi::CString::new(country_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/geoip/lib.rs:377:57
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 ffi::CString::new(region_code).unwrap().as_ptr(),
[INFO] [stdout]     |                 --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `geoip` (lib test) due to 9 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4dbf96aafa0614160e6908048bb82130924385bfe673c8c4b8c00386b26183e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbf96aafa0614160e6908048bb82130924385bfe673c8c4b8c00386b26183e9", kill_on_drop: false }`
[INFO] [stdout] 4dbf96aafa0614160e6908048bb82130924385bfe673c8c4b8c00386b26183e9
