[INFO] updating cached repository plorefice/minesweeper-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/plorefice/minesweeper-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/plorefice/minesweeper-rs" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/plorefice/minesweeper-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/plorefice/minesweeper-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/plorefice/minesweeper-rs" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/plorefice/minesweeper-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/plorefice/minesweeper-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4aa679f260a38e93f609e731e5c048c2a6efdb72
[INFO] sha for GitHub repo plorefice/minesweeper-rs: 4aa679f260a38e93f609e731e5c048c2a6efdb72
[INFO] validating manifest of plorefice/minesweeper-rs on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plorefice/minesweeper-rs on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing plorefice/minesweeper-rs
[INFO] finished frobbing plorefice/minesweeper-rs
[INFO] frobbed toml for plorefice/minesweeper-rs written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/plorefice/minesweeper-rs/Cargo.toml
[INFO] started frobbing plorefice/minesweeper-rs
[INFO] finished frobbing plorefice/minesweeper-rs
[INFO] frobbed toml for plorefice/minesweeper-rs written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/plorefice/minesweeper-rs/Cargo.toml
[INFO] crate plorefice/minesweeper-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking plorefice/minesweeper-rs against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-0/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/plorefice/minesweeper-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23eeb828b28af829635288737b98bca0b0ffe52f9c572f1163f5d06dc44be78f
[INFO] running `"docker" "start" "-a" "23eeb828b28af829635288737b98bca0b0ffe52f9c572f1163f5d06dc44be78f"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.56.0
[INFO] [stderr]     Checking piston_window v0.89.0
[INFO] [stderr]     Checking ai-learns-minesweeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "23eeb828b28af829635288737b98bca0b0ffe52f9c572f1163f5d06dc44be78f"`
[INFO] running `"docker" "rm" "-f" "23eeb828b28af829635288737b98bca0b0ffe52f9c572f1163f5d06dc44be78f"`
[INFO] [stdout] 23eeb828b28af829635288737b98bca0b0ffe52f9c572f1163f5d06dc44be78f