[INFO] cloning repository https://github.com/tmazhuan/datastructures_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmazhuan/datastructures_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c4140b332eed402795fdca87d585183b8bd6de6
[INFO] testing tmazhuan/datastructures_algorithms against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms" "/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/tmazhuan/datastructures_algorithms on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmazhuan/datastructures_algorithms
[INFO] finished tweaking git repo https://github.com/tmazhuan/datastructures_algorithms
[INFO] tweaked toml for git repo https://github.com/tmazhuan/datastructures_algorithms written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tmazhuan/datastructures_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbee0935e53dc037e5646590f3e73bae60a9c2efbb82af0d7af7335d969e5561
[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" "dbee0935e53dc037e5646590f3e73bae60a9c2efbb82af0d7af7335d969e5561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbee0935e53dc037e5646590f3e73bae60a9c2efbb82af0d7af7335d969e5561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbee0935e53dc037e5646590f3e73bae60a9c2efbb82af0d7af7335d969e5561", kill_on_drop: false }`
[INFO] [stdout] dbee0935e53dc037e5646590f3e73bae60a9c2efbb82af0d7af7335d969e5561
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] eb238f31c6a21b09c1e621e257594cb6d7166bbf3b4dc683ecef464036969609
[INFO] running `Command { std: "docker" "start" "-a" "eb238f31c6a21b09c1e621e257594cb6d7166bbf3b4dc683ecef464036969609", kill_on_drop: false }`
[INFO] [stderr]    Compiling fifo v0.1.0 (/opt/rustwide/workdir/fifo)
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stderr]    Compiling lifo v0.1.0 (/opt/rustwide/workdir/lifo)
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "eb238f31c6a21b09c1e621e257594cb6d7166bbf3b4dc683ecef464036969609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb238f31c6a21b09c1e621e257594cb6d7166bbf3b4dc683ecef464036969609", kill_on_drop: false }`
[INFO] [stdout] eb238f31c6a21b09c1e621e257594cb6d7166bbf3b4dc683ecef464036969609
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] af7ffef2aac855ac655cd493f085770717ffb2e3851e4fb0a4faa986a1a6d8ea
[INFO] running `Command { std: "docker" "start" "-a" "af7ffef2aac855ac655cd493f085770717ffb2e3851e4fb0a4faa986a1a6d8ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stderr]    Compiling lifo v0.1.0 (/opt/rustwide/workdir/lifo)
[INFO] [stderr]    Compiling fifo v0.1.0 (/opt/rustwide/workdir/fifo)
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fifo-2372b874a1b1ebc4)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lifo-83a40a941e29d372)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lists-77a8b01473933e30)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tester-9a3ed6bbdf12cf11)
[INFO] running `Command { std: "docker" "inspect" "af7ffef2aac855ac655cd493f085770717ffb2e3851e4fb0a4faa986a1a6d8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7ffef2aac855ac655cd493f085770717ffb2e3851e4fb0a4faa986a1a6d8ea", kill_on_drop: false }`
[INFO] [stdout] af7ffef2aac855ac655cd493f085770717ffb2e3851e4fb0a4faa986a1a6d8ea
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23a6b56e2ecf3d8b735bc23026b419c8a95096a70fa34e611757ffb9e6c30c92
[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" "23a6b56e2ecf3d8b735bc23026b419c8a95096a70fa34e611757ffb9e6c30c92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fifo-2372b874a1b1ebc4)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_new_lifo ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lifo-83a40a941e29d372)
[INFO] [stdout] test tests::test_one_item_lifo ... ok
[INFO] [stdout] test tests::test_multi_item_lifo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_multi_item_lifo ... ok
[INFO] [stdout] test tests::test_new_lifo ... ok
[INFO] [stdout] test tests::test_one_item_lifo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lists-77a8b01473933e30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test dll::tests::test_empty_dll_tail ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_head ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_mixed ... ok
[INFO] [stdout] test dll::tests::test_empty_dll_head ... ok
[INFO] [stdout] test dll::tests::test_one_item_dll_head ... ok
[INFO] [stdout] test dll::tests::test_get_current_position ... ok
[INFO] [stdout] test dll::tests::test_peek ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_tail ... ok
[INFO] [stdout] test dll::tests::test_new_dll ... ok
[INFO] [stdout] test dll::tests::test_one_item_dll_tail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tester-9a3ed6bbdf12cf11)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fifo
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lifo
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lists
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23a6b56e2ecf3d8b735bc23026b419c8a95096a70fa34e611757ffb9e6c30c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a6b56e2ecf3d8b735bc23026b419c8a95096a70fa34e611757ffb9e6c30c92", kill_on_drop: false }`
[INFO] [stdout] 23a6b56e2ecf3d8b735bc23026b419c8a95096a70fa34e611757ffb9e6c30c92