[INFO] cloning repository https://github.com/shinzxc/shinwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shinzxc/shinwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinzxc%2Fshinwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinzxc%2Fshinwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 260edc59dd83ba37b6ef8f9e523a93e7bdeff8b7
[INFO] checking shinzxc/shinwm against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinzxc%2Fshinwm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shinzxc/shinwm on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shinzxc/shinwm
[INFO] finished tweaking git repo https://github.com/shinzxc/shinwm
[INFO] tweaked toml for git repo https://github.com/shinzxc/shinwm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/shinzxc/shinwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] 1761d73ae5833349615928281b96b7b0efb57feac08c17d94ac626357d8ad9c2
[INFO] running `Command { std: "docker" "start" "-a" "1761d73ae5833349615928281b96b7b0efb57feac08c17d94ac626357d8ad9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1761d73ae5833349615928281b96b7b0efb57feac08c17d94ac626357d8ad9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1761d73ae5833349615928281b96b7b0efb57feac08c17d94ac626357d8ad9c2", kill_on_drop: false }`
[INFO] [stdout] 1761d73ae5833349615928281b96b7b0efb57feac08c17d94ac626357d8ad9c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--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] fd5600c0401f5a0db61dec328c9195b72ceda66c8636c65d79395f48af6925da
[INFO] running `Command { std: "docker" "start" "-a" "fd5600c0401f5a0db61dec328c9195b72ceda66c8636c65d79395f48af6925da", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking shinwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window_system`
[INFO] [stdout]  --> src/windowmanager.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let window_system = WindowSystem::new();
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_system`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]  --> src/window_system.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     display: *mut Display,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> src/window_system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     root: Window
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_system`
[INFO] [stdout]  --> src/windowmanager.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let window_system = WindowSystem::new();
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_system`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]  --> src/window_system.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     display: *mut Display,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> src/window_system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     root: Window
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "fd5600c0401f5a0db61dec328c9195b72ceda66c8636c65d79395f48af6925da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5600c0401f5a0db61dec328c9195b72ceda66c8636c65d79395f48af6925da", kill_on_drop: false }`
[INFO] [stdout] fd5600c0401f5a0db61dec328c9195b72ceda66c8636c65d79395f48af6925da