[INFO] fetching crate rust2048 1.0.0...
[INFO] testing rust2048-1.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rust2048 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust2048 1.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9245297a5735e29f2b65fafba7e06d0e23ba60855eae235006c1bec3b56045ae
[INFO] running `Command { std: "docker" "start" "-a" "9245297a5735e29f2b65fafba7e06d0e23ba60855eae235006c1bec3b56045ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9245297a5735e29f2b65fafba7e06d0e23ba60855eae235006c1bec3b56045ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9245297a5735e29f2b65fafba7e06d0e23ba60855eae235006c1bec3b56045ae", kill_on_drop: false }`
[INFO] [stdout] 9245297a5735e29f2b65fafba7e06d0e23ba60855eae235006c1bec3b56045ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99bc972d22cfc5191be986042e12bec8ea3b5fe650a01ad6cd6cb3a6a3f80ccd
[INFO] running `Command { std: "docker" "start" "-a" "99bc972d22cfc5191be986042e12bec8ea3b5fe650a01ad6cd6cb3a6a3f80ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling colored v1.9.3
[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 5.28s
[INFO] running `Command { std: "docker" "inspect" "99bc972d22cfc5191be986042e12bec8ea3b5fe650a01ad6cd6cb3a6a3f80ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99bc972d22cfc5191be986042e12bec8ea3b5fe650a01ad6cd6cb3a6a3f80ccd", kill_on_drop: false }`
[INFO] [stdout] 99bc972d22cfc5191be986042e12bec8ea3b5fe650a01ad6cd6cb3a6a3f80ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d822bd591d35174e7d050eeee0e4e05987e01d51f847dfb477c545e431a439bc
[INFO] running `Command { std: "docker" "start" "-a" "d822bd591d35174e7d050eeee0e4e05987e01d51f847dfb477c545e431a439bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "d822bd591d35174e7d050eeee0e4e05987e01d51f847dfb477c545e431a439bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d822bd591d35174e7d050eeee0e4e05987e01d51f847dfb477c545e431a439bc", kill_on_drop: false }`
[INFO] [stdout] d822bd591d35174e7d050eeee0e4e05987e01d51f847dfb477c545e431a439bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f8fdb14156c0f7dcc134bb3cde8cb831723e4dc4d18ec01ed31a9ac5427474b
[INFO] running `Command { std: "docker" "start" "-a" "3f8fdb14156c0f7dcc134bb3cde8cb831723e4dc4d18ec01ed31a9ac5427474b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust2048-390be201903cf298)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test board::check_move_left ... ok
[INFO] [stdout] test board::check_continuability ... ok
[INFO] [stdout] test board::check_movable_up ... ok
[INFO] [stdout] test board::check_move_right ... ok
[INFO] [stdout] test board::check_move_down ... ok
[INFO] [stdout] test board::check_movable_left ... ok
[INFO] [stdout] test board::check_movable_down ... ok
[INFO] [stdout] test board::check_move_up ... ok
[INFO] [stdout] test board::check_movable_right ... ok
[INFO] [stdout] test board::check_no_number_area ... 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" "3f8fdb14156c0f7dcc134bb3cde8cb831723e4dc4d18ec01ed31a9ac5427474b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8fdb14156c0f7dcc134bb3cde8cb831723e4dc4d18ec01ed31a9ac5427474b", kill_on_drop: false }`
[INFO] [stdout] 3f8fdb14156c0f7dcc134bb3cde8cb831723e4dc4d18ec01ed31a9ac5427474b