[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 beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutexlox%2Fminesweeper" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mutexlox/minesweeper on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-9/source/Cargo.toml [INFO] crate git repo https://github.com/mutexlox/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 247955e0af55b35715f187379f07983f30786051c6a99de601063a11248dae06 [INFO] running `Command { std: "docker" "start" "-a" "247955e0af55b35715f187379f07983f30786051c6a99de601063a11248dae06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "247955e0af55b35715f187379f07983f30786051c6a99de601063a11248dae06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "247955e0af55b35715f187379f07983f30786051c6a99de601063a11248dae06", kill_on_drop: false }` [INFO] [stdout] 247955e0af55b35715f187379f07983f30786051c6a99de601063a11248dae06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86d769794f17da0804e9a556d8d8349db0884e55fcbe51d2ee7d1f3ebaf7f079 [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" "86d769794f17da0804e9a556d8d8349db0884e55fcbe51d2ee7d1f3ebaf7f079", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling minesweeper_backend v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "86d769794f17da0804e9a556d8d8349db0884e55fcbe51d2ee7d1f3ebaf7f079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86d769794f17da0804e9a556d8d8349db0884e55fcbe51d2ee7d1f3ebaf7f079", kill_on_drop: false }` [INFO] [stdout] 86d769794f17da0804e9a556d8d8349db0884e55fcbe51d2ee7d1f3ebaf7f079 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 91fcd424b338f07e69212e4cb1fbcf589faaa2223550bfb53a213e468d379c2f [INFO] running `Command { std: "docker" "start" "-a" "91fcd424b338f07e69212e4cb1fbcf589faaa2223550bfb53a213e468d379c2f", 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] | ^^^^^^^ help: a similar path exists: `crate::backend` [INFO] [stdout] | [INFO] [stdout] = note: `use` statements changed in Rust 2018; read more at [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] | ^^^^^^^^^^ help: a similar path exists: `crate::board_iter` [INFO] [stdout] | [INFO] [stdout] = note: `use` statements changed in Rust 2018; read more at [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "91fcd424b338f07e69212e4cb1fbcf589faaa2223550bfb53a213e468d379c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91fcd424b338f07e69212e4cb1fbcf589faaa2223550bfb53a213e468d379c2f", kill_on_drop: false }` [INFO] [stdout] 91fcd424b338f07e69212e4cb1fbcf589faaa2223550bfb53a213e468d379c2f