[INFO] cloning repository https://github.com/KKKZOZ/mini-lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KKKZOZ/mini-lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKKKZOZ%2Fmini-lsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKKKZOZ%2Fmini-lsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ed8e903df13cede8a970365134eed1aa860dc51
[INFO] testing KKKZOZ/mini-lsm against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKKKZOZ%2Fmini-lsm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KKKZOZ/mini-lsm on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/KKKZOZ/mini-lsm
[INFO] finished tweaking git repo https://github.com/KKKZOZ/mini-lsm
[INFO] tweaked toml for git repo https://github.com/KKKZOZ/mini-lsm written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KKKZOZ/mini-lsm 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.6
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[INFO] [stderr]   Downloaded ouroboros v0.18.2
[INFO] [stderr]   Downloaded moka v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b05e299c2fd2be8d0a92bc6592a943dcad2bae26c69f07479218a1b2122c29
[INFO] running `Command { std: "docker" "start" "-a" "88b05e299c2fd2be8d0a92bc6592a943dcad2bae26c69f07479218a1b2122c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b05e299c2fd2be8d0a92bc6592a943dcad2bae26c69f07479218a1b2122c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b05e299c2fd2be8d0a92bc6592a943dcad2bae26c69f07479218a1b2122c29", kill_on_drop: false }`
[INFO] [stdout] 88b05e299c2fd2be8d0a92bc6592a943dcad2bae26c69f07479218a1b2122c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c77d3ec9c316c794dbdf9d75893eebd0f39281aab6b27472f9ef3d7ba7a73644
[INFO] running `Command { std: "docker" "start" "-a" "c77d3ec9c316c794dbdf9d75893eebd0f39281aab6b27472f9ef3d7ba7a73644", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
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[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling once_cell v1.16.0
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[INFO] [stderr]    Compiling syn v2.0.48
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[INFO] [stderr]    Compiling clap_lex v0.6.0
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[INFO] [stderr]    Compiling clap_builder v4.4.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling raw-cpuid v10.6.0
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling moka v0.9.6
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling quanta v0.10.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.6
[INFO] [stderr]    Compiling uuid v1.2.2
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling ouroboros_macro v0.18.2
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling triomphe v0.1.8
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustyline v13.0.0
[INFO] [stderr]    Compiling ouroboros v0.18.2
[INFO] [stderr]    Compiling arc-swap v1.5.1
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling shared_child v1.0.0
[INFO] [stderr]    Compiling os_pipe v1.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling duct v0.13.6
[INFO] [stderr]    Compiling clap v4.4.17
[INFO] [stderr]    Compiling console v0.15.2
[INFO] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stderr]    Compiling mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stderr]    Compiling mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> mini-lsm-starter/src/lsm_storage.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.31s
[INFO] running `Command { std: "docker" "inspect" "c77d3ec9c316c794dbdf9d75893eebd0f39281aab6b27472f9ef3d7ba7a73644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77d3ec9c316c794dbdf9d75893eebd0f39281aab6b27472f9ef3d7ba7a73644", kill_on_drop: false }`
[INFO] [stdout] c77d3ec9c316c794dbdf9d75893eebd0f39281aab6b27472f9ef3d7ba7a73644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4404337b7841c1dc4173d7e810de944f209d0b6333bf31b782c58eb26b75f6d2
[INFO] running `Command { std: "docker" "start" "-a" "4404337b7841c1dc4173d7e810de944f209d0b6333bf31b782c58eb26b75f6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> mini-lsm-starter/src/lsm_storage.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stderr]    Compiling mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> mini-lsm-starter/src/lsm_storage.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_error` are never used
[INFO] [stdout]   --> mini-lsm-starter/src/tests/harness.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl MockIterator {
[INFO] [stdout]    | ----------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn new(data: Vec<(Bytes, Bytes)>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn new_with_error(data: Vec<(Bytes, Bytes)>, error_when: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_iter_result_by_key` is never used
[INFO] [stdout]   --> mini-lsm-starter/src/tests/harness.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn check_iter_result_by_key<I>(iter: &mut I, expected: Vec<(Bytes, Bytes)>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_lsm_iter_result_by_key` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn check_lsm_iter_result_by_key<I>(iter: &mut I, expected: Vec<(Bytes, Bytes)>)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expect_iter_error` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn expect_iter_error(mut iter: impl StorageIterator) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_sst` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn generate_sst(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sync` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn sync(storage: &LsmStorageInner) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compaction_bench` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub fn compaction_bench(storage: Arc<MiniLsm>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_compaction_ratio` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:282:8
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub fn check_compaction_ratio(storage: Arc<MiniLsm>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump_files_in_dir` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 | pub fn dump_files_in_dir(path: impl AsRef<Path>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_merge_iterator_over_storage` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/harness.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 | pub fn construct_merge_iterator_over_storage(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "4404337b7841c1dc4173d7e810de944f209d0b6333bf31b782c58eb26b75f6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4404337b7841c1dc4173d7e810de944f209d0b6333bf31b782c58eb26b75f6d2", kill_on_drop: false }`
[INFO] [stdout] 4404337b7841c1dc4173d7e810de944f209d0b6333bf31b782c58eb26b75f6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93ae458a0bc1b00b180a71ab345eab69f1d5304bd18d0ba48b3080947d4e799e
[INFO] running `Command { std: "docker" "start" "-a" "93ae458a0bc1b00b180a71ab345eab69f1d5304bd18d0ba48b3080947d4e799e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> mini-lsm-starter/src/lsm_storage.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-starter` (lib) generated 1 warning (run `cargo fix --lib -p mini-lsm-starter` to apply 1 suggestion)
[INFO] [stderr] warning: associated functions `new` and `new_with_error` are never used
[INFO] [stderr]   --> mini-lsm-starter/src/tests/harness.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl MockIterator {
[INFO] [stderr]    | ----------------- associated functions in this implementation
[INFO] [stderr] 28 |     pub fn new(data: Vec<(Bytes, Bytes)>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn new_with_error(data: Vec<(Bytes, Bytes)>, error_when: usize) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_iter_result_by_key` is never used
[INFO] [stderr]   --> mini-lsm-starter/src/tests/harness.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn check_iter_result_by_key<I>(iter: &mut I, expected: Vec<(Bytes, Bytes)>)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_lsm_iter_result_by_key` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn check_lsm_iter_result_by_key<I>(iter: &mut I, expected: Vec<(Bytes, Bytes)>)
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `expect_iter_error` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:173:8
[INFO] [stderr]     |
[INFO] [stderr] 173 | pub fn expect_iter_error(mut iter: impl StorageIterator) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_sst` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub fn generate_sst(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sync` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:213:8
[INFO] [stderr]     |
[INFO] [stderr] 213 | pub fn sync(storage: &LsmStorageInner) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compaction_bench` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:220:8
[INFO] [stderr]     |
[INFO] [stderr] 220 | pub fn compaction_bench(storage: Arc<MiniLsm>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_compaction_ratio` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 | pub fn check_compaction_ratio(storage: Arc<MiniLsm>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dump_files_in_dir` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:411:8
[INFO] [stderr]     |
[INFO] [stderr] 411 | pub fn dump_files_in_dir(path: impl AsRef<Path>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `construct_merge_iterator_over_storage` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/harness.rs:423:8
[INFO] [stderr]     |
[INFO] [stderr] 423 | pub fn construct_merge_iterator_over_storage(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-starter` (lib test) generated 11 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_lsm-bd889c02e133c7d7)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stderr] thread 'tests::week1_day1::test_task1_memtable_overwrite' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5649fc03a275 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x5649fc03a275 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5649fc03a275 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x5649fc03a275 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x5649fc06218b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x5649fc06218b - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x5649fc0378cf - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x5649fc03a04e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x5649fc03a04e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x5649fc03ba79 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x5649fc03b7bd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x5649fbfc07ea - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x5649fbfc07ea - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x5649fc03c07b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x5649fc03c07b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x5649fc03bdbb - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x5649fc03a739 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x5649fc03bb27 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x5649fbdcbf20 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x5649fbdcbf20 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x5649fbdcbfb2 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x5649fbe72108 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h947a4d3c2712e08b
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x5649fbe72043 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hf43f9ab24420f2da
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x5649fbe42288 - core::slice::<impl [T]>::get_unchecked::he888378ff63e8009
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/slice/mod.rs:686:20
[INFO] [stderr]   24:     0x5649fbf2fbdd - <crossbeam_skiplist::base::Tower<K,V> as core::ops::index::Index<usize>>::index::h31e52a6811f92eca
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-skiplist-0.1.0/src/base.rs:39:18
[INFO] [stderr]   25:     0x5649fbf385aa - crossbeam_skiplist::base::SkipList<K,V>::search_position::hfbb02dbc6ffbd7a5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-skiplist-0.1.0/src/base.rs:781:33
[INFO] [stderr]   26:     0x5649fbf37669 - crossbeam_skiplist::base::SkipList<K,V>::insert_internal::hac2a85afbfc9630e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-skiplist-0.1.0/src/base.rs:871:26
[INFO] [stderr]   27:     0x5649fbf38e0e - crossbeam_skiplist::base::SkipList<K,V>::insert::h6d9dfb6a6d1bceb2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-skiplist-0.1.0/src/base.rs:1085:9
[INFO] [stderr]   28:     0x5649fbeece83 - crossbeam_skiplist::map::SkipMap<K,V>::insert::h4eff4c0a767f23af
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-skiplist-0.1.0/src/map.rs:375:20
[INFO] [stderr]   29:     0x5649fbe7bf21 - mini_lsm::mem_table::MemTable::put::h4c159d789a9f4ff2
[INFO] [stderr]                                at /opt/rustwide/workdir/mini-lsm/src/mem_table.rs:96:9
[INFO] [stderr]   30:     0x5649fbe7bc81 - mini_lsm::mem_table::MemTable::for_testing_put_slice::h185e264c5308a53b
[INFO] [stderr]                                at /opt/rustwide/workdir/mini-lsm/src/mem_table.rs:70:9
[INFO] [stderr]   31:     0x5649fbe1d9a6 - mini_lsm::tests::week1_day1::test_task1_memtable_overwrite::hb2c08f221dd93e9a
[INFO] [stderr]                                at /opt/rustwide/workdir/mini-lsm/src/tests/week1_day1.rs:33:5
[INFO] [stderr]   32:     0x5649fbe1d947 - mini_lsm::tests::week1_day1::test_task1_memtable_overwrite::{{closure}}::h7c4102ba969e10c8
[INFO] [stderr]                                at /opt/rustwide/workdir/mini-lsm/src/tests/week1_day1.rs:31:35
[INFO] [stderr]   33:     0x5649fbed89f6 - core::ops::function::FnOnce::call_once::ha1b01d3c1dfbf42f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   34:     0x5649fbfc51cb - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   35:     0x5649fbfc51cb - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   36:     0x5649fbfc48d1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   37:     0x5649fbfc48d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   38:     0x5649fbfc48d1 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   39:     0x5649fbfc48d1 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   40:     0x5649fbfc48d1 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   41:     0x5649fbfc48d1 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   42:     0x5649fbfc48d1 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   43:     0x5649fbf8d294 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   44:     0x5649fbf8d294 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   45:     0x5649fbf91cc2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   46:     0x5649fbf91cc2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   47:     0x5649fbf91cc2 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   48:     0x5649fbf91cc2 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   49:     0x5649fbf91cc2 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   50:     0x5649fbf91cc2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   51:     0x5649fbf91cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   52:     0x5649fc0412db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   53:     0x5649fc0412db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   54:     0x5649fc0412db - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   55:     0x7f1c46d90ac3 - <unknown>
[INFO] [stderr]   56:     0x7f1c46e21a04 - __clone
[INFO] [stderr]   57:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `-p mini-lsm --lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mini_lsm-bd889c02e133c7d7` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "93ae458a0bc1b00b180a71ab345eab69f1d5304bd18d0ba48b3080947d4e799e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ae458a0bc1b00b180a71ab345eab69f1d5304bd18d0ba48b3080947d4e799e", kill_on_drop: false }`
[INFO] [stdout] 93ae458a0bc1b00b180a71ab345eab69f1d5304bd18d0ba48b3080947d4e799e
