[INFO] updating cached repository https://github.com/quadruple-output/game-2048-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a10cd843346e04930363eb967f39144d92d27a4d
[INFO] testing quadruple-output/game-2048-rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadruple-output%2Fgame-2048-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quadruple-output/game-2048-rust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quadruple-output/game-2048-rust
[INFO] finished tweaking git repo https://github.com/quadruple-output/game-2048-rust
[INFO] tweaked toml for git repo https://github.com/quadruple-output/game-2048-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/quadruple-output/game-2048-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd9853424b405d3bb95acaa0970357477fe9a3b056d26351ef297c1e11f5341
[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" "ddd9853424b405d3bb95acaa0970357477fe9a3b056d26351ef297c1e11f5341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd9853424b405d3bb95acaa0970357477fe9a3b056d26351ef297c1e11f5341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd9853424b405d3bb95acaa0970357477fe9a3b056d26351ef297c1e11f5341", kill_on_drop: false }`
[INFO] [stdout] ddd9853424b405d3bb95acaa0970357477fe9a3b056d26351ef297c1e11f5341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4073542c29ae560822df53a7b76576d7313989f5d3b2d3d75d03bb947bed578e
[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" "4073542c29ae560822df53a7b76576d7313989f5d3b2d3d75d03bb947bed578e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling game2048 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.65s
[INFO] running `Command { std: "docker" "inspect" "4073542c29ae560822df53a7b76576d7313989f5d3b2d3d75d03bb947bed578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4073542c29ae560822df53a7b76576d7313989f5d3b2d3d75d03bb947bed578e", kill_on_drop: false }`
[INFO] [stdout] 4073542c29ae560822df53a7b76576d7313989f5d3b2d3d75d03bb947bed578e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f6688eba9ae95ec7b6e06471ce49170630abcbc8e0ed22aae1fc1f0c881f43
[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" "09f6688eba9ae95ec7b6e06471ce49170630abcbc8e0ed22aae1fc1f0c881f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling game2048 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "09f6688eba9ae95ec7b6e06471ce49170630abcbc8e0ed22aae1fc1f0c881f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f6688eba9ae95ec7b6e06471ce49170630abcbc8e0ed22aae1fc1f0c881f43", kill_on_drop: false }`
[INFO] [stdout] 09f6688eba9ae95ec7b6e06471ce49170630abcbc8e0ed22aae1fc1f0c881f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60bb58126ff1a2c9b40575aeb75f1237988abade181416603c87077c85a483f1
[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" "60bb58126ff1a2c9b40575aeb75f1237988abade181416603c87077c85a483f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/game2048-f32f9326eff397b3
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test game::board::test::shift_0_0_2_2 ... ok
[INFO] [stdout] test game::board::test::shift_4_0_2_2 ... ok
[INFO] [stdout] test game::board::test::shift_4_2_0_2 ... ok
[INFO] [stdout] test game::board::test::shift_2_2_0_0 ... ok
[INFO] [stdout] test game::board::test::shift_4_0_2_0 ... ok
[INFO] [stdout] test game::board::test::shift_2_0_0_4 ... ok
[INFO] [stdout] test game::board::test::shift_4_2_2_0 ... ok
[INFO] [stdout] test game::board::test::shift_2_0_0_2 ... ok
[INFO] [stdout] test game::board::test::shift_2_0_2_2 ... ok
[INFO] [stdout] test game::board::test::shift_2_2_2_2 ... ok
[INFO] [stdout] test game::board::test::shift_0_2_2_2 ... ok
[INFO] [stdout] test game::board::test::shift_0_2_0_2 ... ok
[INFO] [stdout] test game::board::test::shift_8_4_0_2 ... ok
[INFO] [stdout] test game::board::test::shift_empty_board ... ok
[INFO] [stdout] test game::board::test::shift_0_2_0_0 ... ok
[INFO] [stdout] test game::board::test::shift_2_0_0_0 ... ok
[INFO] [stdout] test game::board::test::shift_4_2_2_4 ... ok
[INFO] [stdout] test game::board::test::shift_4_2_2_2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/game2048-53644d503335aa4c
[INFO] [stdout] test game::board::test::shift_impossible ... ok
[INFO] [stdout] test game::board::test::shift_0_0_2_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests game2048
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60bb58126ff1a2c9b40575aeb75f1237988abade181416603c87077c85a483f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bb58126ff1a2c9b40575aeb75f1237988abade181416603c87077c85a483f1", kill_on_drop: false }`
[INFO] [stdout] 60bb58126ff1a2c9b40575aeb75f1237988abade181416603c87077c85a483f1