[INFO] fetching crate xcb-util 0.3.0...
[INFO] checking xcb-util-0.3.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate xcb-util 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate xcb-util 0.3.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", 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] 6b177a9faa9602e3577b466564ae33c99892480738252a104741dfd15b57a7f4
[INFO] running `Command { std: "docker" "start" "-a" "6b177a9faa9602e3577b466564ae33c99892480738252a104741dfd15b57a7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b177a9faa9602e3577b466564ae33c99892480738252a104741dfd15b57a7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b177a9faa9602e3577b466564ae33c99892480738252a104741dfd15b57a7f4", kill_on_drop: false }`
[INFO] [stdout] 6b177a9faa9602e3577b466564ae33c99892480738252a104741dfd15b57a7f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a20450f9eac540a60cb94d9fee401c1b7a8722532ebf5e3e5e6a05479e528af
[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" "9a20450f9eac540a60cb94d9fee401c1b7a8722532ebf5e3e5e6a05479e528af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking 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: 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: 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 15.81s
[INFO] running `Command { std: "docker" "inspect" "9a20450f9eac540a60cb94d9fee401c1b7a8722532ebf5e3e5e6a05479e528af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a20450f9eac540a60cb94d9fee401c1b7a8722532ebf5e3e5e6a05479e528af", kill_on_drop: false }`
[INFO] [stdout] 9a20450f9eac540a60cb94d9fee401c1b7a8722532ebf5e3e5e6a05479e528af