[INFO] fetching crate game-of-life 0.1.0...
[INFO] checking game-of-life-0.1.0 against beta for pr-78714
[INFO] extracting crate game-of-life 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate game-of-life 0.1.0 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 crates.io crate game-of-life 0.1.0
[INFO] finished tweaking crates.io crate game-of-life 0.1.0
[INFO] tweaked toml for crates.io crate game-of-life 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ea03b4c01472b84bbb22f7d5b5c3c09ce29e202b1a4c612b819f0f88ade8e06b
[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" "ea03b4c01472b84bbb22f7d5b5c3c09ce29e202b1a4c612b819f0f88ade8e06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea03b4c01472b84bbb22f7d5b5c3c09ce29e202b1a4c612b819f0f88ade8e06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea03b4c01472b84bbb22f7d5b5c3c09ce29e202b1a4c612b819f0f88ade8e06b", kill_on_drop: false }`
[INFO] [stdout] ea03b4c01472b84bbb22f7d5b5c3c09ce29e202b1a4c612b819f0f88ade8e06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 17991c7a7c23f418f5be42b6412677831ac385ee62c6c7ebdc60393810dc8c54
[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" "17991c7a7c23f418f5be42b6412677831ac385ee62c6c7ebdc60393810dc8c54", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]     Checking piston2d-graphics v0.24.0
[INFO] [stderr]     Checking pistoncore-window v0.30.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.35.0
[INFO] [stderr]     Checking piston v0.35.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.43.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.50.0
[INFO] [stderr]     Checking game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Line` is imported redundantly
[INFO] [stdout]    --> src/life.rs:153:11
[INFO] [stdout]     |
[INFO] [stdout] 12  | use graphics::*;
[INFO] [stdout]     |     ----------- the item `Line` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |       use graphics::line::Line;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Line` is imported redundantly
[INFO] [stdout]    --> src/life.rs:153:11
[INFO] [stdout]     |
[INFO] [stdout] 12  | use graphics::*;
[INFO] [stdout]     |     ----------- the item `Line` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |       use graphics::line::Line;
[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 17.74s
[INFO] running `Command { std: "docker" "inspect" "17991c7a7c23f418f5be42b6412677831ac385ee62c6c7ebdc60393810dc8c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17991c7a7c23f418f5be42b6412677831ac385ee62c6c7ebdc60393810dc8c54", kill_on_drop: false }`
[INFO] [stdout] 17991c7a7c23f418f5be42b6412677831ac385ee62c6c7ebdc60393810dc8c54