[INFO] cloning repository https://github.com/luukvanderduim/xcb-global-hotkey-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luukvanderduim/xcb-global-hotkey-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fxcb-global-hotkey-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fxcb-global-hotkey-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83840709674b27388ab3207532217a332e12b5b5
[INFO] testing luukvanderduim/xcb-global-hotkey-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fxcb-global-hotkey-example" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luukvanderduim/xcb-global-hotkey-example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luukvanderduim/xcb-global-hotkey-example
[INFO] finished tweaking git repo https://github.com/luukvanderduim/xcb-global-hotkey-example
[INFO] tweaked toml for git repo https://github.com/luukvanderduim/xcb-global-hotkey-example written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/luukvanderduim/xcb-global-hotkey-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f9c951f3c258cecf67452d9dc726d7e53ac877d2a5d9a549c1164efb074523b
[INFO] running `Command { std: "docker" "start" "-a" "8f9c951f3c258cecf67452d9dc726d7e53ac877d2a5d9a549c1164efb074523b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9c951f3c258cecf67452d9dc726d7e53ac877d2a5d9a549c1164efb074523b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9c951f3c258cecf67452d9dc726d7e53ac877d2a5d9a549c1164efb074523b", kill_on_drop: false }`
[INFO] [stdout] 8f9c951f3c258cecf67452d9dc726d7e53ac877d2a5d9a549c1164efb074523b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53abf8b4acd7475b28391452a2a2f17f8160b4f80354c6c09fa7e9e91cd89f77
[INFO] running `Command { std: "docker" "start" "-a" "53abf8b4acd7475b28391452a2a2f17f8160b4f80354c6c09fa7e9e91cd89f77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling x11rb v0.7.0
[INFO] [stderr]    Compiling global-hotkey-example v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ModMask`
[INFO] [stdout]  --> src/main.rs:6:91
[INFO] [stdout]   |
[INFO] [stdout] 6 |         xproto::{grab_key, ConnectionExt, ChangeWindowAttributesAux, EventMask, GrabMode, ModMask, Setup},
[INFO] [stdout]   |                                                                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     &mut conn.change_window_attributes(rootwindow, &kpress)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     &conn.flush()?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.65s
[INFO] running `Command { std: "docker" "inspect" "53abf8b4acd7475b28391452a2a2f17f8160b4f80354c6c09fa7e9e91cd89f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53abf8b4acd7475b28391452a2a2f17f8160b4f80354c6c09fa7e9e91cd89f77", kill_on_drop: false }`
[INFO] [stdout] 53abf8b4acd7475b28391452a2a2f17f8160b4f80354c6c09fa7e9e91cd89f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef279cee3a2dc147f16d800462d4ed20d355e788d9d46b5bdefd671dfe7490d1
[INFO] running `Command { std: "docker" "start" "-a" "ef279cee3a2dc147f16d800462d4ed20d355e788d9d46b5bdefd671dfe7490d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling global-hotkey-example v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ModMask`
[INFO] [stdout]  --> src/main.rs:6:91
[INFO] [stdout]   |
[INFO] [stdout] 6 |         xproto::{grab_key, ConnectionExt, ChangeWindowAttributesAux, EventMask, GrabMode, ModMask, Setup},
[INFO] [stdout]   |                                                                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     &mut conn.change_window_attributes(rootwindow, &kpress)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     &conn.flush()?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ef279cee3a2dc147f16d800462d4ed20d355e788d9d46b5bdefd671dfe7490d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef279cee3a2dc147f16d800462d4ed20d355e788d9d46b5bdefd671dfe7490d1", kill_on_drop: false }`
[INFO] [stdout] ef279cee3a2dc147f16d800462d4ed20d355e788d9d46b5bdefd671dfe7490d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 052efcbb739216341f5f7454ad2d5e2c674bfcfa6c27ff0f0bc7d386974d3fee
[INFO] running `Command { std: "docker" "start" "-a" "052efcbb739216341f5f7454ad2d5e2c674bfcfa6c27ff0f0bc7d386974d3fee", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ModMask`
[INFO] [stderr]  --> src/main.rs:6:91
[INFO] [stderr]   |
[INFO] [stderr] 6 |         xproto::{grab_key, ConnectionExt, ChangeWindowAttributesAux, EventMask, GrabMode, ModMask, Setup},
[INFO] [stderr]   |                                                                                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     &mut conn.change_window_attributes(rootwindow, &kpress)?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     &conn.flush()?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `global-hotkey-example` (bin "global-hotkey-example" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/global_hotkey_example-d6b81a5f59dccd3b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "052efcbb739216341f5f7454ad2d5e2c674bfcfa6c27ff0f0bc7d386974d3fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052efcbb739216341f5f7454ad2d5e2c674bfcfa6c27ff0f0bc7d386974d3fee", kill_on_drop: false }`
[INFO] [stdout] 052efcbb739216341f5f7454ad2d5e2c674bfcfa6c27ff0f0bc7d386974d3fee