[INFO] cloning repository https://github.com/mlipke/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlipke/pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlipke%2Fpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlipke%2Fpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 752d94c04c99b5d4725045843932e553196d68b5
[INFO] checking mlipke/pong against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlipke%2Fpong" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlipke/pong 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/mlipke/pong
[INFO] finished tweaking git repo https://github.com/mlipke/pong
[INFO] tweaked toml for git repo https://github.com/mlipke/pong written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mlipke/pong 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] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] 615977b67fb304ea330a85d90f6928775f3f40cc982324229e99fa27e6f33411
[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" "615977b67fb304ea330a85d90f6928775f3f40cc982324229e99fa27e6f33411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615977b67fb304ea330a85d90f6928775f3f40cc982324229e99fa27e6f33411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615977b67fb304ea330a85d90f6928775f3f40cc982324229e99fa27e6f33411", kill_on_drop: false }`
[INFO] [stdout] 615977b67fb304ea330a85d90f6928775f3f40cc982324229e99fa27e6f33411
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10786751c7cd9409e48bef9677204f604b580289a3c47b0a29a4eb00977da64c
[INFO] running `Command { std: "docker" "start" "-a" "10786751c7cd9409e48bef9677204f604b580289a3c47b0a29a4eb00977da64c", kill_on_drop: false }`
[INFO] [stderr]     Checking draw_state v0.2.0
[INFO] [stderr]     Checking pistoncore-window v0.14.0
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]     Checking libloading v0.3.4
[INFO] [stderr]     Checking pistoncore-event_loop v0.17.0
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking piston v0.17.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking piston2d-graphics v0.13.1
[INFO] [stderr]     Checking wayland-client v0.5.12
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking glutin v0.4.9
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.23.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.20.0
[INFO] [stderr]     Checking pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]    --> src/app.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 1   | use piston::input::*;
[INFO] [stdout]     |     ---------------- the item `Key` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 128 |         use piston::input::keyboard::Key;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]    --> src/app.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 1   | use piston::input::*;
[INFO] [stdout]     |     ---------------- the item `Key` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 128 |         use piston::input::keyboard::Key;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "10786751c7cd9409e48bef9677204f604b580289a3c47b0a29a4eb00977da64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10786751c7cd9409e48bef9677204f604b580289a3c47b0a29a4eb00977da64c", kill_on_drop: false }`
[INFO] [stdout] 10786751c7cd9409e48bef9677204f604b580289a3c47b0a29a4eb00977da64c