[INFO] fetching crate myumberwm 0.0.1...
[INFO] checking myumberwm-0.0.1 against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] extracting crate myumberwm 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate myumberwm 0.0.1
[INFO] finished tweaking crates.io crate myumberwm 0.0.1
[INFO] tweaked toml for crates.io crate myumberwm 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate myumberwm 0.0.1 on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate myumberwm 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f18dc0e4e62f9bae878fb771cebf5f6c4ff727387c22a15c7d12ca21bab603f
[INFO] running `Command { std: "docker" "start" "-a" "4f18dc0e4e62f9bae878fb771cebf5f6c4ff727387c22a15c7d12ca21bab603f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f18dc0e4e62f9bae878fb771cebf5f6c4ff727387c22a15c7d12ca21bab603f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f18dc0e4e62f9bae878fb771cebf5f6c4ff727387c22a15c7d12ca21bab603f", kill_on_drop: false }`
[INFO] [stdout] 4f18dc0e4e62f9bae878fb771cebf5f6c4ff727387c22a15c7d12ca21bab603f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f930baca494ccf639662c863a7d12ed09fa1ce066fbb2717676b7269f544b26
[INFO] running `Command { std: "docker" "start" "-a" "5f930baca494ccf639662c863a7d12ed09fa1ce066fbb2717676b7269f544b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stdout] error: static of uninhabited type
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/xcb-40465e716c8bf200/out/ffi/big_requests.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub static mut xcb_big_requests_id: xcb_extension_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: static of uninhabited type
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/xcb-40465e716c8bf200/out/ffi/xc_misc.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub static mut xcb_xc_misc_id: xcb_extension_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xcb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f930baca494ccf639662c863a7d12ed09fa1ce066fbb2717676b7269f544b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f930baca494ccf639662c863a7d12ed09fa1ce066fbb2717676b7269f544b26", kill_on_drop: false }`
[INFO] [stdout] 5f930baca494ccf639662c863a7d12ed09fa1ce066fbb2717676b7269f544b26