[INFO] crate minesweeper 1.3.0 is already in cache
[INFO] checking minesweeper-1.3.0 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] extracting crate minesweeper 1.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate minesweeper 1.3.0 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate minesweeper 1.3.0
[INFO] finished tweaking crates.io crate minesweeper 1.3.0
[INFO] tweaked toml for crates.io crate minesweeper 1.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4108c04125f34848450e9dfb3c8ea568d2605ded2d243d3d8a9688fcefc8aed1
[INFO] running `"docker" "start" "-a" "4108c04125f34848450e9dfb3c8ea568d2605ded2d243d3d8a9688fcefc8aed1"`
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking pistoncore-input v0.18.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking pistoncore-window v0.27.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.32.0
[INFO] [stderr]     Checking piston v0.32.0
[INFO] [stderr]     Checking piston-gfx_texture v0.24.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.40.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.8.7
[INFO] [stderr]     Checking wayland-client v0.8.7
[INFO] [stderr]     Checking wayland-window v0.5.0
[INFO] [stderr]     Checking wayland-kbd v0.8.0
[INFO] [stderr]     Checking winit v0.6.4
[INFO] [stderr]     Checking glutin v0.8.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.37.0
[INFO] [stderr]     Checking piston_window v0.66.0
[INFO] [stderr]     Checking minesweeper v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.35s
[INFO] running `"docker" "inspect" "4108c04125f34848450e9dfb3c8ea568d2605ded2d243d3d8a9688fcefc8aed1"`
[INFO] running `"docker" "rm" "-f" "4108c04125f34848450e9dfb3c8ea568d2605ded2d243d3d8a9688fcefc8aed1"`
[INFO] [stdout] 4108c04125f34848450e9dfb3c8ea568d2605ded2d243d3d8a9688fcefc8aed1