[INFO] fetching crate wkhtmltopdf 0.3.0...
[INFO] checking wkhtmltopdf-0.3.0 against beta for pr-78714
[INFO] extracting crate wkhtmltopdf 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wkhtmltopdf 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wkhtmltopdf 0.3.0
[INFO] finished tweaking crates.io crate wkhtmltopdf 0.3.0
[INFO] tweaked toml for crates.io crate wkhtmltopdf 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684a1761d4df3e360cedc2a135655b304a715584c2ba0ec67bd405b9d13f5734
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "684a1761d4df3e360cedc2a135655b304a715584c2ba0ec67bd405b9d13f5734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684a1761d4df3e360cedc2a135655b304a715584c2ba0ec67bd405b9d13f5734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684a1761d4df3e360cedc2a135655b304a715584c2ba0ec67bd405b9d13f5734", kill_on_drop: false }`
[INFO] [stdout] 684a1761d4df3e360cedc2a135655b304a715584c2ba0ec67bd405b9d13f5734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1efadc3838b9c5104815e0691aa2e9f544966da883e89f290b1804e055845c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1efadc3838b9c5104815e0691aa2e9f544966da883e89f290b1804e055845c9", kill_on_drop: false }`
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2
[INFO] [stderr]     Checking wkhtmltopdf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:22
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:313:22
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:334:22
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:335:22
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:343:26
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut global = try!(PdfGlobalSettings::new());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |             try!( unsafe { global.set(name, &val) } );
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |             try!( unsafe { object.set(name, &val) } );
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:363:24
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let mut file = try!(File::create(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let _ = try!(io::copy(self, &mut file));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:38:61
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref FINISHED_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(i32) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32) + 'static + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:38:61
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref FINISHED_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(i32) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32) + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:39:58
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref ERROR_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(String) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:22
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:313:22
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:334:22
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let global = try!(self.global_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:335:22
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let object = try!(self.object_settings());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:343:26
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut global = try!(PdfGlobalSettings::new());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |             try!( unsafe { global.set(name, &val) } );
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |             try!( unsafe { object.set(name, &val) } );
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:363:24
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let mut file = try!(File::create(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let _ = try!(io::copy(self, &mut file));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:38:61
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref FINISHED_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(i32) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32) + 'static + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:38:61
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref FINISHED_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(i32) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32) + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lowlevel.rs:39:58
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref ERROR_CALLBACKS: Mutex<HashMap<usize, Box<FnMut(String) + 'static + Send>>> = Mutex::new(HashMap::new());
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lowlevel.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / lazy_static! {
[INFO] [stdout] 32 | |     // Globally count wkhtmltopdf handles so we can safely init/deinit the underlying wkhtmltopdf singleton
[INFO] [stdout] 33 | |     static ref WKHTMLTOPDF_STATE: Mutex<WkhtmltopdfState> = Mutex::new(WkhtmltopdfState::New);
[INFO] [stdout] 34 | |     static ref WKHTMLTOPDF_INIT_THREAD: usize = thread_id::get();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     // TODO: 3 more callback types
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "a1efadc3838b9c5104815e0691aa2e9f544966da883e89f290b1804e055845c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1efadc3838b9c5104815e0691aa2e9f544966da883e89f290b1804e055845c9", kill_on_drop: false }`
[INFO] [stdout] a1efadc3838b9c5104815e0691aa2e9f544966da883e89f290b1804e055845c9