[INFO] cloning repository https://github.com/mutexlox/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mutexlox/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutexlox%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutexlox%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ca1b5c7594dd65918ede2c7c0cd3f153df17344
[INFO] testing mutexlox/minesweeper against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutexlox%2Fminesweeper" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mutexlox/minesweeper
[INFO] finished tweaking git repo https://github.com/mutexlox/minesweeper
[INFO] tweaked toml for git repo https://github.com/mutexlox/minesweeper written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mutexlox/minesweeper on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mutexlox/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db3c3aba85266e9fe43c42188f98423bb05a4794c02436928f5a6eea63031aff
[INFO] running `Command { std: "docker" "start" "-a" "db3c3aba85266e9fe43c42188f98423bb05a4794c02436928f5a6eea63031aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3c3aba85266e9fe43c42188f98423bb05a4794c02436928f5a6eea63031aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3c3aba85266e9fe43c42188f98423bb05a4794c02436928f5a6eea63031aff", kill_on_drop: false }`
[INFO] [stdout] db3c3aba85266e9fe43c42188f98423bb05a4794c02436928f5a6eea63031aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 059f3607e34470ac69d2eb8644d7440ab4d1d16fa1a44b67d7dadb70a90b9725
[INFO] running `Command { std: "docker" "start" "-a" "059f3607e34470ac69d2eb8644d7440ab4d1d16fa1a44b67d7dadb70a90b9725", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling minesweeper_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "059f3607e34470ac69d2eb8644d7440ab4d1d16fa1a44b67d7dadb70a90b9725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059f3607e34470ac69d2eb8644d7440ab4d1d16fa1a44b67d7dadb70a90b9725", kill_on_drop: false }`
[INFO] [stdout] 059f3607e34470ac69d2eb8644d7440ab4d1d16fa1a44b67d7dadb70a90b9725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6393360aefa27d2313a8800190b1c210fd1d947975480bfb6e5cfcd5cd514c30
[INFO] running `Command { std: "docker" "start" "-a" "6393360aefa27d2313a8800190b1c210fd1d947975480bfb6e5cfcd5cd514c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling minesweeper_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `backend`
[INFO] [stdout]  --> src/lib.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use ::backend::Game;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] help: a similar path exists
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use ::crate::backend::Game;
[INFO] [stdout]   |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `board_iter`
[INFO] [stdout]  --> src/lib.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use ::board_iter::board_iter;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] help: a similar path exists
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use ::crate::board_iter::board_iter;
[INFO] [stdout]   |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minesweeper_backend` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6393360aefa27d2313a8800190b1c210fd1d947975480bfb6e5cfcd5cd514c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6393360aefa27d2313a8800190b1c210fd1d947975480bfb6e5cfcd5cd514c30", kill_on_drop: false }`
[INFO] [stdout] 6393360aefa27d2313a8800190b1c210fd1d947975480bfb6e5cfcd5cd514c30
