[INFO] cloning repository https://github.com/zazk/Rust-Plays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zazk/Rust-Plays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzazk%2FRust-Plays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzazk%2FRust-Plays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80d1e8fe45bcf609b53b44f57f1fb517e49dc1ce
[INFO] checking zazk/Rust-Plays against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzazk%2FRust-Plays" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zazk/Rust-Plays on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zazk/Rust-Plays
[INFO] finished tweaking git repo https://github.com/zazk/Rust-Plays
[INFO] tweaked toml for git repo https://github.com/zazk/Rust-Plays written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zazk/Rust-Plays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9381ba54e82c9f32e59e7b08802110608bba61491eca6a37dfce5d727de3ef57
[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" "9381ba54e82c9f32e59e7b08802110608bba61491eca6a37dfce5d727de3ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9381ba54e82c9f32e59e7b08802110608bba61491eca6a37dfce5d727de3ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9381ba54e82c9f32e59e7b08802110608bba61491eca6a37dfce5d727de3ef57", kill_on_drop: false }`
[INFO] [stdout] 9381ba54e82c9f32e59e7b08802110608bba61491eca6a37dfce5d727de3ef57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee65b0b4d898fd1f197effdf88684f5e320bc07060b991b057460835d8474e0e
[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" "ee65b0b4d898fd1f197effdf88684f5e320bc07060b991b057460835d8474e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking image v0.23.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.68.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston_window v0.107.0
[INFO] [stderr]     Checking rust-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "ee65b0b4d898fd1f197effdf88684f5e320bc07060b991b057460835d8474e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee65b0b4d898fd1f197effdf88684f5e320bc07060b991b057460835d8474e0e", kill_on_drop: false }`
[INFO] [stdout] ee65b0b4d898fd1f197effdf88684f5e320bc07060b991b057460835d8474e0e