[INFO] fetching crate xcb-util 0.3.0...
[INFO] testing xcb-util-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xcb-util 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xcb-util 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcb-util 0.3.0
[INFO] finished tweaking crates.io crate xcb-util 0.3.0
[INFO] tweaked toml for crates.io crate xcb-util 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45855a881750c650dee4aec6d4cfdfb154c38bea6f538eb0cf51c3280ef983e2
[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" "45855a881750c650dee4aec6d4cfdfb154c38bea6f538eb0cf51c3280ef983e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45855a881750c650dee4aec6d4cfdfb154c38bea6f538eb0cf51c3280ef983e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45855a881750c650dee4aec6d4cfdfb154c38bea6f538eb0cf51c3280ef983e2", kill_on_drop: false }`
[INFO] [stdout] 45855a881750c650dee4aec6d4cfdfb154c38bea6f538eb0cf51c3280ef983e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34999f1d7be70456d0fc392576f6d8102d1dec66ceb8dc7e23da089d4f420ce0
[INFO] running `Command { std: "docker" "start" "-a" "34999f1d7be70456d0fc392576f6d8102d1dec66ceb8dc7e23da089d4f420ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling xcb-util v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.76s
[INFO] running `Command { std: "docker" "inspect" "34999f1d7be70456d0fc392576f6d8102d1dec66ceb8dc7e23da089d4f420ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34999f1d7be70456d0fc392576f6d8102d1dec66ceb8dc7e23da089d4f420ce0", kill_on_drop: false }`
[INFO] [stdout] 34999f1d7be70456d0fc392576f6d8102d1dec66ceb8dc7e23da089d4f420ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77bfda6c0392ad7169e1c04b5eab17fe026572a0dfc219cf42521568dbdfebaa
[INFO] running `Command { std: "docker" "start" "-a" "77bfda6c0392ad7169e1c04b5eab17fe026572a0dfc219cf42521568dbdfebaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xcb-util v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / macro_rules! define {
[INFO] [stdout] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stdout] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stdout] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     );
[INFO] [stdout] 240 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | / macro_rules! void {
[INFO] [stdout] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 244 | |         xcb::VoidCookie {
[INFO] [stdout] 245 | |             cookie:  $cookie,
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |     });
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/util.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / macro_rules! property {
[INFO] [stdout] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stdout] 262 | |         $name {
[INFO] [stdout] 263 | |             conn:    $conn,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |     });
[INFO] [stdout] 276 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into`
[INFO] [stdout]    --> src/util.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from`
[INFO] [stdout]    --> src/util.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "77bfda6c0392ad7169e1c04b5eab17fe026572a0dfc219cf42521568dbdfebaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bfda6c0392ad7169e1c04b5eab17fe026572a0dfc219cf42521568dbdfebaa", kill_on_drop: false }`
[INFO] [stdout] 77bfda6c0392ad7169e1c04b5eab17fe026572a0dfc219cf42521568dbdfebaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8fb65358c112b55e5f46e8037673ddce546fba6bd894dafd083f7b09b0b557b
[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" "c8fb65358c112b55e5f46e8037673ddce546fba6bd894dafd083f7b09b0b557b", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / macro_rules! define {
[INFO] [stderr] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stderr] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stderr] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |     );
[INFO] [stderr] 240 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | / macro_rules! void {
[INFO] [stderr] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 244 | |         xcb::VoidCookie {
[INFO] [stderr] 245 | |             cookie:  $cookie,
[INFO] [stderr] ...   |
[INFO] [stderr] 257 | |     });
[INFO] [stderr] 258 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:260:1
[INFO] [stderr]     |
[INFO] [stderr] 260 | / macro_rules! property {
[INFO] [stderr] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 262 | |         $name {
[INFO] [stderr] 263 | |             conn:    $conn,
[INFO] [stderr] ...   |
[INFO] [stderr] 275 | |     });
[INFO] [stderr] 276 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `into`
[INFO] [stderr]    --> src/util.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from`
[INFO] [stderr]    --> src/util.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / macro_rules! define {
[INFO] [stderr] 2   | |     (cookie $cookie:ident for $inner:ident => $reply:ident) => (
[INFO] [stderr] 3   | |         pub struct $cookie<'a>(xcb::GetPropertyCookie<'a>,
[INFO] [stderr] 4   | |             unsafe extern "C" fn(*mut xcb_connection_t, xcb_get_property_cookie_t, *mut $inner, *mut *mut xcb_generic_error_t) -> u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |     );
[INFO] [stderr] 240 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | / macro_rules! void {
[INFO] [stderr] 243 | |     (checked -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 244 | |         xcb::VoidCookie {
[INFO] [stderr] 245 | |             cookie:  $cookie,
[INFO] [stderr] ...   |
[INFO] [stderr] 257 | |     });
[INFO] [stderr] 258 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/util.rs:260:1
[INFO] [stderr]     |
[INFO] [stderr] 260 | / macro_rules! property {
[INFO] [stderr] 261 | |     (checked $name:ident -> $conn:expr, $cookie:expr) => (unsafe {
[INFO] [stderr] 262 | |         $name {
[INFO] [stderr] 263 | |             conn:    $conn,
[INFO] [stderr] ...   |
[INFO] [stderr] 275 | |     });
[INFO] [stderr] 276 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `into`
[INFO] [stderr]    --> src/util.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |     pub fn into<'a>(data: *const c_char, length: u32) -> Vec<&'a str> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from`
[INFO] [stderr]    --> src/util.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn from<'a, T: IntoIterator<Item=&'a str>>(data: T) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xcb_util-fe37e44cd0d3d9d3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xcb-util
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8fb65358c112b55e5f46e8037673ddce546fba6bd894dafd083f7b09b0b557b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fb65358c112b55e5f46e8037673ddce546fba6bd894dafd083f7b09b0b557b", kill_on_drop: false }`
[INFO] [stdout] c8fb65358c112b55e5f46e8037673ddce546fba6bd894dafd083f7b09b0b557b