[INFO] fetching crate penrose 0.1.8...
[INFO] testing penrose-0.1.8 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate penrose 0.1.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate penrose 0.1.8 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate penrose 0.1.8
[INFO] finished tweaking crates.io crate penrose 0.1.8
[INFO] tweaked toml for crates.io crate penrose 0.1.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate penrose 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ca289d8a44bef3274d39409a1f6ffc2d9614a3997b2109bf997573106bbadd
[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" "96ca289d8a44bef3274d39409a1f6ffc2d9614a3997b2109bf997573106bbadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ca289d8a44bef3274d39409a1f6ffc2d9614a3997b2109bf997573106bbadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ca289d8a44bef3274d39409a1f6ffc2d9614a3997b2109bf997573106bbadd", kill_on_drop: false }`
[INFO] [stdout] 96ca289d8a44bef3274d39409a1f6ffc2d9614a3997b2109bf997573106bbadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24984f8c101cd330a20ab3a5da7789bcac9c9127f5be6c1f335532f16d9d40a1
[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" "24984f8c101cd330a20ab3a5da7789bcac9c9127f5be6c1f335532f16d9d40a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling penrose v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.59s
[INFO] running `Command { std: "docker" "inspect" "24984f8c101cd330a20ab3a5da7789bcac9c9127f5be6c1f335532f16d9d40a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24984f8c101cd330a20ab3a5da7789bcac9c9127f5be6c1f335532f16d9d40a1", kill_on_drop: false }`
[INFO] [stdout] 24984f8c101cd330a20ab3a5da7789bcac9c9127f5be6c1f335532f16d9d40a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 6373c858cf7e129d320f4711a700919e56e4861381cfb27ad73b0963b1f62f28
[INFO] running `Command { std: "docker" "start" "-a" "6373c858cf7e129d320f4711a700919e56e4861381cfb27ad73b0963b1f62f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling penrose v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `new_client` has an incompatible type for trait
[INFO] [stdout]   --> tests/hook_tests.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new_client(&mut self, _: &mut WindowManager, c: Client) -> Option<Client> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&mut penrose::client::Client`, found struct `penrose::client::Client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&mut TestHook, &mut penrose::WindowManager<'_>, &mut penrose::client::Client)`
[INFO] [stdout]               found fn pointer `fn(&mut TestHook, &mut penrose::WindowManager<'_>, penrose::client::Client) -> std::option::Option<penrose::client::Client>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `penrose`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6373c858cf7e129d320f4711a700919e56e4861381cfb27ad73b0963b1f62f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6373c858cf7e129d320f4711a700919e56e4861381cfb27ad73b0963b1f62f28", kill_on_drop: false }`
[INFO] [stdout] 6373c858cf7e129d320f4711a700919e56e4861381cfb27ad73b0963b1f62f28