[INFO] fetching crate rust2048 1.0.0...
[INFO] testing rust2048-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rust2048 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust2048 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust2048 1.0.0
[INFO] finished tweaking crates.io crate rust2048 1.0.0
[INFO] tweaked toml for crates.io crate rust2048 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80080717442d20d64d4881bc62880ce96909f29e03ffff35a3b7d7cf1602b101
[INFO] running `Command { std: "docker" "start" "-a" "80080717442d20d64d4881bc62880ce96909f29e03ffff35a3b7d7cf1602b101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80080717442d20d64d4881bc62880ce96909f29e03ffff35a3b7d7cf1602b101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80080717442d20d64d4881bc62880ce96909f29e03ffff35a3b7d7cf1602b101", kill_on_drop: false }`
[INFO] [stdout] 80080717442d20d64d4881bc62880ce96909f29e03ffff35a3b7d7cf1602b101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af2a6c85a0effe475bb087cb40cc6d98872ada4073dea7b8373713bed110148
[INFO] running `Command { std: "docker" "start" "-a" "7af2a6c85a0effe475bb087cb40cc6d98872ada4073dea7b8373713bed110148", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "7af2a6c85a0effe475bb087cb40cc6d98872ada4073dea7b8373713bed110148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af2a6c85a0effe475bb087cb40cc6d98872ada4073dea7b8373713bed110148", kill_on_drop: false }`
[INFO] [stdout] 7af2a6c85a0effe475bb087cb40cc6d98872ada4073dea7b8373713bed110148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1f90588cdf35eaca93b90cdba4ab8c8b4c319f8b2babccfe874d5b7bedaa86
[INFO] running `Command { std: "docker" "start" "-a" "bd1f90588cdf35eaca93b90cdba4ab8c8b4c319f8b2babccfe874d5b7bedaa86", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "bd1f90588cdf35eaca93b90cdba4ab8c8b4c319f8b2babccfe874d5b7bedaa86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1f90588cdf35eaca93b90cdba4ab8c8b4c319f8b2babccfe874d5b7bedaa86", kill_on_drop: false }`
[INFO] [stdout] bd1f90588cdf35eaca93b90cdba4ab8c8b4c319f8b2babccfe874d5b7bedaa86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8db9202b3898a550051abe05da697295c26e9b3f5a29d20bb0294390b72ccb3
[INFO] running `Command { std: "docker" "start" "-a" "b8db9202b3898a550051abe05da697295c26e9b3f5a29d20bb0294390b72ccb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust2048-69631e397891c04f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test board::check_movable_down ... ok
[INFO] [stdout] test board::check_continuability ... ok
[INFO] [stdout] test board::check_movable_right ... ok
[INFO] [stdout] test board::check_move_left ... ok
[INFO] [stdout] test board::check_move_right ... ok
[INFO] [stdout] test board::check_movable_up ... ok
[INFO] [stdout] test board::check_move_up ... ok
[INFO] [stdout] test board::check_movable_left ... ok
[INFO] [stdout] test board::check_no_number_area ... ok
[INFO] [stdout] test board::check_move_down ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8db9202b3898a550051abe05da697295c26e9b3f5a29d20bb0294390b72ccb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8db9202b3898a550051abe05da697295c26e9b3f5a29d20bb0294390b72ccb3", kill_on_drop: false }`
[INFO] [stdout] b8db9202b3898a550051abe05da697295c26e9b3f5a29d20bb0294390b72ccb3