[INFO] cloning repository https://github.com/ajmalsiddiqui/list-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmalsiddiqui/list-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Flist-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Flist-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2de537b37d34c07bb4273b76f9c96249e20b27e8
[INFO] testing ajmalsiddiqui/list-sync against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Flist-sync" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmalsiddiqui/list-sync 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 git repo https://github.com/ajmalsiddiqui/list-sync
[INFO] finished tweaking git repo https://github.com/ajmalsiddiqui/list-sync
[INFO] tweaked toml for git repo https://github.com/ajmalsiddiqui/list-sync written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ajmalsiddiqui/list-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 47cf10d2ef8f63cb0a7dfacfff14dd99d8095a091a6e2e8fd16f3de80a8c9832
[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" "47cf10d2ef8f63cb0a7dfacfff14dd99d8095a091a6e2e8fd16f3de80a8c9832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cf10d2ef8f63cb0a7dfacfff14dd99d8095a091a6e2e8fd16f3de80a8c9832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cf10d2ef8f63cb0a7dfacfff14dd99d8095a091a6e2e8fd16f3de80a8c9832", kill_on_drop: false }`
[INFO] [stdout] 47cf10d2ef8f63cb0a7dfacfff14dd99d8095a091a6e2e8fd16f3de80a8c9832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92e3d8dee0fa86f9db2ac5c60ef29815d2ca6e66f17598930b63a6d7433541c2
[INFO] running `Command { std: "docker" "start" "-a" "92e3d8dee0fa86f9db2ac5c60ef29815d2ca6e66f17598930b63a6d7433541c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling list-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `levenshtein_naive`
[INFO] [stdout]   --> src/levenshtein.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn levenshtein_naive<T>(i1: &[T], i2: &[T]) -> usize
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `levenshtein_memoization`
[INFO] [stdout]   --> src/levenshtein.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn levenshtein_memoization<T>(i1: &[T], i2: &[T]) -> usize
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "92e3d8dee0fa86f9db2ac5c60ef29815d2ca6e66f17598930b63a6d7433541c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e3d8dee0fa86f9db2ac5c60ef29815d2ca6e66f17598930b63a6d7433541c2", kill_on_drop: false }`
[INFO] [stdout] 92e3d8dee0fa86f9db2ac5c60ef29815d2ca6e66f17598930b63a6d7433541c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 255853b23f4b0c5f1f82f6b279b35e2813635585d708379fc346834271167d49
[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" "255853b23f4b0c5f1f82f6b279b35e2813635585d708379fc346834271167d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling list-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "255853b23f4b0c5f1f82f6b279b35e2813635585d708379fc346834271167d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255853b23f4b0c5f1f82f6b279b35e2813635585d708379fc346834271167d49", kill_on_drop: false }`
[INFO] [stdout] 255853b23f4b0c5f1f82f6b279b35e2813635585d708379fc346834271167d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a7c5087bdc1370c9bee4d9189faff337c9f30b24fbee24e04cf3afc99cee4b82
[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" "a7c5087bdc1370c9bee4d9189faff337c9f30b24fbee24e04cf3afc99cee4b82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/list_sync-ce7f3be324d2cbc5)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test multilevel_list::tests::add_to_list ... ok
[INFO] [stdout] test multilevel_list::tests::test_equivalence ... ok
[INFO] [stdout] test multilevel_list::tests::create_new_list ... ok
[INFO] [stdout] test multilevel_list::tests::add_folder ... ok
[INFO] [stdout] test levenshtein::tests::levenshtein_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7c5087bdc1370c9bee4d9189faff337c9f30b24fbee24e04cf3afc99cee4b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c5087bdc1370c9bee4d9189faff337c9f30b24fbee24e04cf3afc99cee4b82", kill_on_drop: false }`
[INFO] [stdout] a7c5087bdc1370c9bee4d9189faff337c9f30b24fbee24e04cf3afc99cee4b82