[INFO] fetching crate rust2048 1.0.0...
[INFO] testing rust2048-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust2048 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust2048 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb2cc549fe1bea15fad0774f125d8b2196158053bcc7b548e1a5d32bae4636a
[INFO] running `Command { std: "docker" "start" "-a" "3fb2cc549fe1bea15fad0774f125d8b2196158053bcc7b548e1a5d32bae4636a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb2cc549fe1bea15fad0774f125d8b2196158053bcc7b548e1a5d32bae4636a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb2cc549fe1bea15fad0774f125d8b2196158053bcc7b548e1a5d32bae4636a", kill_on_drop: false }`
[INFO] [stdout] 3fb2cc549fe1bea15fad0774f125d8b2196158053bcc7b548e1a5d32bae4636a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3020f29eb569c5c40b479befa5ca27ad69608f9593a33dacfcbd780371b6ca
[INFO] running `Command { std: "docker" "start" "-a" "1e3020f29eb569c5c40b479befa5ca27ad69608f9593a33dacfcbd780371b6ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rust2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "1e3020f29eb569c5c40b479befa5ca27ad69608f9593a33dacfcbd780371b6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3020f29eb569c5c40b479befa5ca27ad69608f9593a33dacfcbd780371b6ca", kill_on_drop: false }`
[INFO] [stdout] 1e3020f29eb569c5c40b479befa5ca27ad69608f9593a33dacfcbd780371b6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 882e1fb4164d120fa32221f84389b1a907cdc3a3f0f2bed5b423be5bafec243b
[INFO] running `Command { std: "docker" "start" "-a" "882e1fb4164d120fa32221f84389b1a907cdc3a3f0f2bed5b423be5bafec243b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "882e1fb4164d120fa32221f84389b1a907cdc3a3f0f2bed5b423be5bafec243b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882e1fb4164d120fa32221f84389b1a907cdc3a3f0f2bed5b423be5bafec243b", kill_on_drop: false }`
[INFO] [stdout] 882e1fb4164d120fa32221f84389b1a907cdc3a3f0f2bed5b423be5bafec243b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d73c3649f5fa5f5bb99dc98fce78990e7432c89f340695140acf3a6d51b4132d
[INFO] running `Command { std: "docker" "start" "-a" "d73c3649f5fa5f5bb99dc98fce78990e7432c89f340695140acf3a6d51b4132d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust2048-00275222c37f1ae1)
[INFO] [stdout] test board::check_movable_right ... ok
[INFO] [stdout] test board::check_continuability ... ok
[INFO] [stdout] test board::check_move_down ... ok
[INFO] [stdout] test board::check_move_left ... ok
[INFO] [stdout] test board::check_move_right ... ok
[INFO] [stdout] test board::check_move_up ... ok
[INFO] [stdout] test board::check_movable_up ... ok
[INFO] [stdout] test board::check_movable_down ... ok
[INFO] [stdout] test board::check_movable_left ... 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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d73c3649f5fa5f5bb99dc98fce78990e7432c89f340695140acf3a6d51b4132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73c3649f5fa5f5bb99dc98fce78990e7432c89f340695140acf3a6d51b4132d", kill_on_drop: false }`
[INFO] [stdout] d73c3649f5fa5f5bb99dc98fce78990e7432c89f340695140acf3a6d51b4132d