[INFO] cloning repository https://github.com/vrinek/memory-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vrinek/memory-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrinek%2Fmemory-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrinek%2Fmemory-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a57c4760e7c8e7b444bc642dcbcdd3951b75b2
[INFO] testing vrinek/memory-game against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrinek%2Fmemory-game" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vrinek/memory-game on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vrinek/memory-game
[INFO] finished tweaking git repo https://github.com/vrinek/memory-game
[INFO] tweaked toml for git repo https://github.com/vrinek/memory-game written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vrinek/memory-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8983e8ab3904f00f4d40088a363dfd98e1d570f8fbb23dffe4df022298b464bf
[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" "8983e8ab3904f00f4d40088a363dfd98e1d570f8fbb23dffe4df022298b464bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8983e8ab3904f00f4d40088a363dfd98e1d570f8fbb23dffe4df022298b464bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8983e8ab3904f00f4d40088a363dfd98e1d570f8fbb23dffe4df022298b464bf", kill_on_drop: false }`
[INFO] [stdout] 8983e8ab3904f00f4d40088a363dfd98e1d570f8fbb23dffe4df022298b464bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f064e116cbe340c269e5375e50d32b97c5269ed5c281b1370b144818ce86b0
[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" "d2f064e116cbe340c269e5375e50d32b97c5269ed5c281b1370b144818ce86b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.41.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling pistoncore-window v0.47.0
[INFO] [stderr]    Compiling piston2d-graphics v0.39.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.52.0
[INFO] [stderr]    Compiling piston v0.52.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.72.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.67.2
[INFO] [stderr]    Compiling piston_window v0.116.0
[INFO] [stderr]    Compiling memory-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/deck.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stdout]   |                              ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `weak_rng` in crate `rand`
[INFO] [stdout]   --> src/deck.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             rand::weak_rng()
[INFO] [stdout]    |                   ^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`
[INFO] [stdout]  --> src/deck.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `draw_2d` found for enum `Event` in the current scope
[INFO] [stdout]   --> src/app.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |             e.draw_2d(|c, g| {
[INFO] [stdout]    |               ^^^^^^^ method not found in `Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memory-game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d2f064e116cbe340c269e5375e50d32b97c5269ed5c281b1370b144818ce86b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f064e116cbe340c269e5375e50d32b97c5269ed5c281b1370b144818ce86b0", kill_on_drop: false }`
[INFO] [stdout] d2f064e116cbe340c269e5375e50d32b97c5269ed5c281b1370b144818ce86b0