[INFO] fetching crate xcb-util 0.4.0...
[INFO] checking xcb-util-0.4.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate xcb-util 0.4.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate xcb-util 0.4.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcb-util 0.4.0
[INFO] finished tweaking crates.io crate xcb-util 0.4.0
[INFO] tweaked toml for crates.io crate xcb-util 0.4.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbcccb1b9ef436ee1bfe01b8cc1ebb89bb7f44798b218e114b96563dfb1b25bf
[INFO] running `Command { std: "docker" "start" "-a" "fbcccb1b9ef436ee1bfe01b8cc1ebb89bb7f44798b218e114b96563dfb1b25bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbcccb1b9ef436ee1bfe01b8cc1ebb89bb7f44798b218e114b96563dfb1b25bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcccb1b9ef436ee1bfe01b8cc1ebb89bb7f44798b218e114b96563dfb1b25bf", kill_on_drop: false }`
[INFO] [stdout] fbcccb1b9ef436ee1bfe01b8cc1ebb89bb7f44798b218e114b96563dfb1b25bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66a489e6a2ba2237adddc2c0f6511d25e035fcb2dcf287b750ffc6bd83912465
[INFO] running `Command { std: "docker" "start" "-a" "66a489e6a2ba2237adddc2c0f6511d25e035fcb2dcf287b750ffc6bd83912465", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking xcb-util v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `define`
[INFO] [stdout]  --> src/util.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! define {
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `void`
[INFO] [stdout]    --> src/util.rs:242:14
[INFO] [stdout]     |
[INFO] [stdout] 242 | macro_rules! void {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `property`
[INFO] [stdout]    --> src/util.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 | macro_rules! property {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `define`
[INFO] [stdout]  --> src/util.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! define {
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `void`
[INFO] [stdout]    --> src/util.rs:242:14
[INFO] [stdout]     |
[INFO] [stdout] 242 | macro_rules! void {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `property`
[INFO] [stdout]    --> src/util.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 | macro_rules! property {
[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 9.30s
[INFO] running `Command { std: "docker" "inspect" "66a489e6a2ba2237adddc2c0f6511d25e035fcb2dcf287b750ffc6bd83912465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a489e6a2ba2237adddc2c0f6511d25e035fcb2dcf287b750ffc6bd83912465", kill_on_drop: false }`
[INFO] [stdout] 66a489e6a2ba2237adddc2c0f6511d25e035fcb2dcf287b750ffc6bd83912465