[INFO] cloning repository https://github.com/PoorlyDefinedBehaviour/kv_store
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PoorlyDefinedBehaviour/kv_store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fkv_store", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fkv_store'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3946e28694fce4ae15d8db7f5d7285ca13ebfdbb
[INFO] testing PoorlyDefinedBehaviour/kv_store against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fkv_store" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PoorlyDefinedBehaviour/kv_store on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PoorlyDefinedBehaviour/kv_store
[INFO] finished tweaking git repo https://github.com/PoorlyDefinedBehaviour/kv_store
[INFO] tweaked toml for git repo https://github.com/PoorlyDefinedBehaviour/kv_store written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PoorlyDefinedBehaviour/kv_store already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d710fa0e55c71de07001aa0df744c801656ffb8be48ec198ebc1b52250cbaf3
[INFO] running `Command { std: "docker" "start" "-a" "2d710fa0e55c71de07001aa0df744c801656ffb8be48ec198ebc1b52250cbaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d710fa0e55c71de07001aa0df744c801656ffb8be48ec198ebc1b52250cbaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d710fa0e55c71de07001aa0df744c801656ffb8be48ec198ebc1b52250cbaf3", kill_on_drop: false }`
[INFO] [stdout] 2d710fa0e55c71de07001aa0df744c801656ffb8be48ec198ebc1b52250cbaf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31467273a3138bbbc221daf44bdc6c2e0e6e65253b58d08bc1c1346531cd12c1
[INFO] running `Command { std: "docker" "start" "-a" "31467273a3138bbbc221daf44bdc6c2e0e6e65253b58d08bc1c1346531cd12c1", kill_on_drop: false }`
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[INFO] [stdout] warning: associated items `new`, `create_data_file`, `get_latest_data_file_id`, and `flush` are never used
[INFO] [stdout]   --> src/commit_log.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl CommitLog {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 30 |   pub async fn new(dir: String) -> Result<Self> {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   async fn create_data_file(dir: &str) -> Result<BufWriter<File>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |   async fn get_latest_data_file_id(dir: &str) -> Result<Option<u32>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |   pub async fn flush(&mut self) -> Result<()> {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_index_files` is never used
[INFO] [stdout]  --> src/fs.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn list_index_files(dir: &str) -> Result<Vec<String>> {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/server.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Server {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 19 |   pub fn new(kv: Kv<CommitLog>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "31467273a3138bbbc221daf44bdc6c2e0e6e65253b58d08bc1c1346531cd12c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31467273a3138bbbc221daf44bdc6c2e0e6e65253b58d08bc1c1346531cd12c1", kill_on_drop: false }`
[INFO] [stdout] 31467273a3138bbbc221daf44bdc6c2e0e6e65253b58d08bc1c1346531cd12c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a25539048a25d9686a95b003d43ef40b5a24194507a12a898db63ffc2d47a49d
[INFO] running `Command { std: "docker" "start" "-a" "a25539048a25d9686a95b003d43ef40b5a24194507a12a898db63ffc2d47a49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling mockall_derive v0.11.1
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v1.2.1
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling tracing-appender v0.2.2
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling tracing-tree v0.2.1
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tracing-bunyan-formatter v0.3.3
[INFO] [stderr]    Compiling tonic v0.7.2
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling mockall v0.11.1
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling distributed_kv_store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 56.15s
[INFO] running `Command { std: "docker" "inspect" "a25539048a25d9686a95b003d43ef40b5a24194507a12a898db63ffc2d47a49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25539048a25d9686a95b003d43ef40b5a24194507a12a898db63ffc2d47a49d", kill_on_drop: false }`
[INFO] [stdout] a25539048a25d9686a95b003d43ef40b5a24194507a12a898db63ffc2d47a49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce2924885eb2e053068f96d5afa8bbbb5ad797e0348326e5460ff85837751581
[INFO] running `Command { std: "docker" "start" "-a" "ce2924885eb2e053068f96d5afa8bbbb5ad797e0348326e5460ff85837751581", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/distributed_kv_store-7d6dcefbbf87dba3)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test kv::delete_tests::appends_deletion_to_commit_log ... ok
[INFO] [stdout] test kv::delete_tests::returns_false_when_key_does_not_exist ... ok
[INFO] [stdout] test kv::delete_tests::returns_true_if_key_was_in_the_index_but_no_in_the_memtable_when_deletion_happened ... ok
[INFO] [stdout] test commit_log::delete_tests::returns_the_offset_of_the_new_entry ... ok
[INFO] [stdout] test commit_log::put_tests::returns_the_position_where_the_new_entry_starts ... ok
[INFO] [stdout] test commit_log::delete_tests::deleted_entries_have_a_tombstone_value_length ... ok
[INFO] [stdout] test kv::delete_tests::returns_true_if_key_was_in_the_memtable_when_deletion_happened ... ok
[INFO] [stdout] test commit_log::new_tests::creates_a_new_data_file_on_disk ... ok
[INFO] [stdout] test kv::flush_memtable_to_disk_tests::ss_tables_are_merged_after_some_amount_of_time ... ok
[INFO] [stdout] test kv::flush_memtable_to_disk_tests::writes_ss_table_to_disk ... ok
[INFO] [stdout] test kv::flush_memtable_to_disk_tests::mem_table_is_empty_after_ss_table_is_written_to_disk ... ok
[INFO] [stdout] test kv::flush_memtable_to_disk_tests::creates_ss_table_and_index_files_with_monotonically_increasing_ids ... ok
[INFO] [stdout] test kv::merge_ss_index_files_tests::can_get_key_values_after_index_files_are_merged ... ok
[INFO] [stdout] test kv::get_latest_ss_table_id_tests::returns_the_id_of_the_newest_ss_table_on_disk ... ok
[INFO] [stdout] test kv::put_tests::new_entries_are_added_to_the_index ... ok
[INFO] [stdout] test kv::put_tests::stores_entry_in_commit_log ... ok
[INFO] [stdout] test kv::get_tests::reads_value_from_ss_table_if_it_is_not_in_the_memtable ... ok
[INFO] [stdout] test kv::get_tests::returns_value_associated_to_key ... ok
[INFO] [stdout] test commit_log::put_tests::writes_entries_to_disk ... ok
[INFO] [stdout] test kv::flush_memtable_to_disk_tests::index_file_contains_offsets_pointing_to_the_ss_table ... ok
[INFO] [stdout] test kv::get_tests::returns_none_when_key_is_not_found ... ok
[INFO] [stdout] test server::tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 48.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce2924885eb2e053068f96d5afa8bbbb5ad797e0348326e5460ff85837751581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2924885eb2e053068f96d5afa8bbbb5ad797e0348326e5460ff85837751581", kill_on_drop: false }`
[INFO] [stdout] ce2924885eb2e053068f96d5afa8bbbb5ad797e0348326e5460ff85837751581