[INFO] fetching crate wlm 0.3.0...
[INFO] testing wlm-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wlm 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wlm 0.3.0 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 crates.io crate wlm 0.3.0
[INFO] finished tweaking crates.io crate wlm 0.3.0
[INFO] tweaked toml for crates.io crate wlm 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wlm 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9ee00dcc72356bd67a400593a1bbf260fcac9be58d826a975d3747ad6a180fe
[INFO] running `Command { std: "docker" "start" "-a" "f9ee00dcc72356bd67a400593a1bbf260fcac9be58d826a975d3747ad6a180fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ee00dcc72356bd67a400593a1bbf260fcac9be58d826a975d3747ad6a180fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ee00dcc72356bd67a400593a1bbf260fcac9be58d826a975d3747ad6a180fe", kill_on_drop: false }`
[INFO] [stdout] f9ee00dcc72356bd67a400593a1bbf260fcac9be58d826a975d3747ad6a180fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5f4cc5d06b1ecbf47209e73d6c1bbdf9a0aa4d4d4727a904d40142e8dbae31a3
[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" "5f4cc5d06b1ecbf47209e73d6c1bbdf9a0aa4d4d4727a904d40142e8dbae31a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling wlm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:130:41
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn search(&self, platform_window: &sys::WindowState) -> Option<Window> {
[INFO] [stdout]     |                                            ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:260:62
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn windows(&self, config: Option<&'a Config>) -> Option<Vec<sys::WindowState>>;
[INFO] [stdout]     |                                                                 ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:268:38
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn windows(&self) -> Option<Vec<sys::WindowState>> {
[INFO] [stdout]     |                                         ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:269:3
[INFO] [stdout]     |
[INFO] [stdout] 269 |         sys::list_windows(self.config)
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 |         sys::layout_windows(self.config)
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sys`
[INFO] [stdout]    --> src/lib.rs:277:3
[INFO] [stdout]     |
[INFO] [stdout] 277 |         sys::print_windows(self.config)
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wlm` due to 7 previous errors
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f4cc5d06b1ecbf47209e73d6c1bbdf9a0aa4d4d4727a904d40142e8dbae31a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4cc5d06b1ecbf47209e73d6c1bbdf9a0aa4d4d4727a904d40142e8dbae31a3", kill_on_drop: false }`
[INFO] [stdout] 5f4cc5d06b1ecbf47209e73d6c1bbdf9a0aa4d4d4727a904d40142e8dbae31a3