[INFO] cloning repository https://github.com/yunyi1201/LSM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yunyi1201/LSM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FLSM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FLSM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cba17bd8572bcbb2cdf6f1d34a375d0da804843
[INFO] testing yunyi1201/LSM against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FLSM" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yunyi1201/LSM
[INFO] finished tweaking git repo https://github.com/yunyi1201/LSM
[INFO] tweaked toml for git repo https://github.com/yunyi1201/LSM written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yunyi1201/LSM on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yunyi1201/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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96e8d1ab1b96b2516c49267e6ddc342c0b76eeb2ae000523cb7e61088445e3b
[INFO] running `Command { std: "docker" "start" "-a" "f96e8d1ab1b96b2516c49267e6ddc342c0b76eeb2ae000523cb7e61088445e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96e8d1ab1b96b2516c49267e6ddc342c0b76eeb2ae000523cb7e61088445e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96e8d1ab1b96b2516c49267e6ddc342c0b76eeb2ae000523cb7e61088445e3b", kill_on_drop: false }`
[INFO] [stdout] f96e8d1ab1b96b2516c49267e6ddc342c0b76eeb2ae000523cb7e61088445e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60cc71b00d4f89a25fd43a056dbf8da201fe2dfdc085404eed57ee19220a020
[INFO] running `Command { std: "docker" "start" "-a" "c60cc71b00d4f89a25fd43a056dbf8da201fe2dfdc085404eed57ee19220a020", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling moka v0.9.9
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling clap_builder v4.5.7
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling quanta v0.11.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling triomphe v0.1.13
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling os_pipe v1.2.0
[INFO] [stderr]    Compiling shared_child v1.0.0
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling duct v0.13.7
[INFO] [stderr]    Compiling rustyline v13.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]    Compiling ouroboros v0.18.4
[INFO] [stderr]    Compiling clap v4.5.7
[INFO] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[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] [stdout] warning: unused imports: `KeyBytes` and `KeySlice`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     key::{KeyBytes, KeySlice},
[INFO] [stdout]    |           ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_DEFAULT`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 | use crate::key::{self, KeySlice, TS_DEFAULT, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_ENABLED`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::key::{KeyBytes, KeySlice, TS_DEFAULT, TS_ENABLED, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/block/iterator.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/concat_iterator.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:54:50
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/mem_table.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/block/iterator.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/mem_table.rs:67:50
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/mem_table.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/block/iterator.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/mem_table.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "c60cc71b00d4f89a25fd43a056dbf8da201fe2dfdc085404eed57ee19220a020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60cc71b00d4f89a25fd43a056dbf8da201fe2dfdc085404eed57ee19220a020", kill_on_drop: false }`
[INFO] [stdout] c60cc71b00d4f89a25fd43a056dbf8da201fe2dfdc085404eed57ee19220a020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7201079cdd8642067a83778249f2d4da689e3ff0aac45e0a525f59549857240c
[INFO] running `Command { std: "docker" "start" "-a" "7201079cdd8642067a83778249f2d4da689e3ff0aac45e0a525f59549857240c", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `KeyBytes` and `KeySlice`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     key::{KeyBytes, KeySlice},
[INFO] [stdout]    |           ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_DEFAULT`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 | use crate::key::{self, KeySlice, TS_DEFAULT, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_ENABLED`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::key::{KeyBytes, KeySlice, TS_DEFAULT, TS_ENABLED, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/block/iterator.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/concat_iterator.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:54:50
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/mem_table.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/block/iterator.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/mem_table.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/block/iterator.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/mem_table.rs:67:50
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/mem_table.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stdout] warning: unused imports: `KeyBytes` and `KeySlice`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     key::{KeyBytes, KeySlice},
[INFO] [stdout]    |           ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_DEFAULT`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 | use crate::key::{self, KeySlice, TS_DEFAULT, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TS_ENABLED`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::key::{KeyBytes, KeySlice, TS_DEFAULT, TS_ENABLED, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stdout]    |                                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week2_day5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeveledCompactionOptions` and `TieredCompactionOptions`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week2_day5.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         CompactionOptions, LeveledCompactionOptions, SimpleLeveledCompactionOptions,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |         TieredCompactionOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeveledCompactionOptions` and `TieredCompactionOptions`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week2_day6.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         CompactionOptions, LeveledCompactionOptions, SimpleLeveledCompactionOptions,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |         TieredCompactionOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/block/iterator.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/key.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm/src/mem_table.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm/src/tests/harness.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `key_value_pair_with_target_size` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/week2_day5.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn key_value_pair_with_target_size(seed: i32, target_size_byte: usize) -> (Vec<u8>, Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/block/iterator.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/concat_iterator.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/mem_table.rs:54:50
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-starter/src/mem_table.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-starter/src/tests/harness.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/block/iterator.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/iterators/concat_iterator.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/iterators/merge_iterator.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/key.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/key.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/mem_table.rs:67:50
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stdout]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> mini-lsm-mvcc/src/mem_table.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice {
[INFO] [stdout]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |            |
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/table/iterator.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> mini-lsm-mvcc/src/tests/harness.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.64s
[INFO] running `Command { std: "docker" "inspect" "7201079cdd8642067a83778249f2d4da689e3ff0aac45e0a525f59549857240c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7201079cdd8642067a83778249f2d4da689e3ff0aac45e0a525f59549857240c", kill_on_drop: false }`
[INFO] [stdout] 7201079cdd8642067a83778249f2d4da689e3ff0aac45e0a525f59549857240c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7572334799827b03f7f80f7263c28baa2100f620402712131c8ae04928c9b89
[INFO] running `Command { std: "docker" "start" "-a" "f7572334799827b03f7f80f7263c28baa2100f620402712131c8ae04928c9b89", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `KeyBytes` and `KeySlice`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_iterator.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 |     key::{KeyBytes, KeySlice},
[INFO] [stderr]    |           ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TS_DEFAULT`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_storage.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 | use crate::key::{self, KeySlice, TS_DEFAULT, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stderr]    |                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TS_ENABLED`, `TS_RANGE_BEGIN`, and `TS_RANGE_END`
[INFO] [stderr]   --> mini-lsm-starter/src/mem_table.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 | use crate::key::{KeyBytes, KeySlice, TS_DEFAULT, TS_ENABLED, TS_RANGE_BEGIN, TS_RANGE_END};
[INFO] [stderr]    |                                                  ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-starter/src/block/iterator.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn key(&self) -> KeySlice {
[INFO] [stderr]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                |
[INFO] [stderr]     |                the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-starter/src/iterators/concat_iterator.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-starter/src/key.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-starter/src/key.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-starter/src/mem_table.rs:54:50
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stderr]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                  |
[INFO] [stderr]    |                                                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stderr]    |                                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-starter/src/mem_table.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-starter/src/table/iterator.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/block/iterator.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn key(&self) -> KeySlice {
[INFO] [stderr]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-mvcc/src/iterators/concat_iterator.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/iterators/merge_iterator.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/key.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-mvcc/src/key.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]     |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/mem_table.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice> {
[INFO] [stderr]    |                                                  ^^^^^                     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                  |
[INFO] [stderr]    |                                                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub(crate) fn map_key_bound_plus_ts(bound: Bound<&[u8]>, ts: u64) -> Bound<KeySlice<'_>> {
[INFO] [stderr]    |                                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm-mvcc/src/mem_table.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/table/iterator.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/block/iterator.rs:76:16
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn key(&self) -> KeySlice {
[INFO] [stderr]    |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm/src/iterators/concat_iterator.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/iterators/merge_iterator.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/key.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/key.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> mini-lsm/src/mem_table.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn key(&self) -> KeySlice {
[INFO] [stderr]     |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |            |
[INFO] [stderr]     |            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]     |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/table/iterator.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-starter` (lib) generated 11 warnings (run `cargo fix --lib -p mini-lsm-starter` to apply 11 suggestions)
[INFO] [stderr] warning: `mini-lsm-mvcc` (lib) generated 8 warnings (run `cargo fix --lib -p mini-lsm-mvcc` to apply 8 suggestions)
[INFO] [stderr] warning: `mini-lsm` (lib) generated 7 warnings (run `cargo fix --lib -p mini-lsm` to apply 7 suggestions)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> mini-lsm-starter/src/tests/week2_day5.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LeveledCompactionOptions` and `TieredCompactionOptions`
[INFO] [stderr]   --> mini-lsm-starter/src/tests/week2_day5.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |         CompactionOptions, LeveledCompactionOptions, SimpleLeveledCompactionOptions,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 23 |         TieredCompactionOptions,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LeveledCompactionOptions` and `TieredCompactionOptions`
[INFO] [stderr]   --> mini-lsm-starter/src/tests/week2_day6.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |         CompactionOptions, LeveledCompactionOptions, SimpleLeveledCompactionOptions,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 |         TieredCompactionOptions,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `key_value_pair_with_target_size` is never used
[INFO] [stderr]    --> mini-lsm-starter/src/tests/week2_day5.rs:160:4
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn key_value_pair_with_target_size(seed: i32, target_size_byte: usize) -> (Vec<u8>, Vec<u8>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-starter/src/tests/harness.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-starter` (lib test) generated 16 warnings (11 duplicates) (run `cargo fix --lib -p mini-lsm-starter --tests` to apply 4 suggestions)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm-mvcc/src/tests/harness.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> mini-lsm/src/tests/harness.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-mvcc` (lib test) generated 9 warnings (8 duplicates) (run `cargo fix --lib -p mini-lsm-mvcc --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `mini-lsm` (lib test) generated 8 warnings (7 duplicates) (run `cargo fix --lib -p mini-lsm --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_lsm-a085629c40e66e70)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test tests::week1_day1::test_task1_memtable_get ... ok
[INFO] [stdout] test tests::week1_day2::test_task1_memtable_iter ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_1 ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_2 ... ok
[INFO] [stdout] test tests::week1_day1::test_task1_memtable_overwrite ... ok
[INFO] [stdout] test tests::week1_day2::test_task3_fused_iterator ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_error ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_empty ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_all ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_1 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_full ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_single_key ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_2 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_decode ... ok
[INFO] [stdout] test tests::week1_day3::test_block_encode ... ok
[INFO] [stdout] test tests::week1_day3::test_block_iterator ... ok
[INFO] [stdout] test tests::week1_day3::test_block_seek_key ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_single_key ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_two_blocks ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_all ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_decode ... ok
[INFO] [stdout] test tests::week1_day2::test_task1_empty_memtable_iter ... ok
[INFO] [stdout] test tests::week1_day2::test_task4_integration ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_1 ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_2 ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_iterator ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_3 ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_4 ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_5 ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_storage_integration ... ok
[INFO] [stdout] test tests::week1_day1::test_task4_storage_integration ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_seek_key ... ok
[INFO] [stdout] test tests::week1_day5::test_task2_storage_scan ... ok
[INFO] [stdout] test tests::week1_day5::test_task3_storage_get ... ok
[INFO] [stdout] test tests::week1_day7::test_task1_bloom_filter ... ok
[INFO] [stdout] test tests::week1_day1::test_task2_storage_integration ... ok
[INFO] [stdout] test tests::week1_day7::test_task3_block_key_compression ... ok
[INFO] [stdout] test tests::week1_day7::test_task2_sst_decode ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_get ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_freeze_on_capacity ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_scan ... ok
[INFO] [stdout] test tests::week2_day1::test_task2_concat_iterator ... ok
[INFO] [stdout] test tests::week2_day1::test_task3_integration ... ok
[INFO] [stdout] test tests::week2_day1::test_task1_full_compaction ... ok
[INFO] [stdout] test tests::week1_day6::test_task3_sst_filter ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_tiered ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_simple ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_leveled ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_leveled ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_tiered ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_simple ... ok
[INFO] [stdout] test tests::week1_day6::test_task2_auto_flush ... FAILED
[INFO] [stdout] test tests::week2_day5::test_multiple_compacted_ssts_leveled ... ok
[INFO] [stdout] test tests::week2_day2::test_integration ... ok
[INFO] [stdout] test tests::week2_day3::test_integration ... ok
[INFO] [stdout] test tests::week2_day4::test_integration ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::week1_day6::test_task2_auto_flush stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::week1_day6::test_task2_auto_flush' (62) panicked at mini-lsm/src/tests/week1_day6.rs:150:5:
[INFO] [stdout] assertion failed: !storage.inner.state.read().l0_sstables.is_empty()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64c3c52e5222 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64c3c52e5222 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64c3c52e5222 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x64c3c52e5222 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x64c3c52f62fa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x64c3c52f62fa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x64c3c52b1666 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64c3c52b1666 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x64c3c52c3779 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x64c3c52c3779 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x64c3c52c3611 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x64c3c523e92e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x64c3c523e92e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64c3c52c3aa2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x64c3c52c3aa2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x64c3c52c386a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x64c3c52bde69 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x64c3c52a54dd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x64c3c52fdb0c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x64c3c52fdad2 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x64c3c513c5cb - mini_lsm::tests::week1_day6::test_task2_auto_flush::hd0f90659b842f12b
[INFO] [stdout]                                at /opt/rustwide/workdir/mini-lsm/src/tests/week1_day6.rs:150:5
[INFO] [stdout]   21:     0x64c3c513c827 - mini_lsm::tests::week1_day6::test_task2_auto_flush::{{closure}}::h8e3223bdd839cf63
[INFO] [stdout]                                at /opt/rustwide/workdir/mini-lsm/src/tests/week1_day6.rs:135:27
[INFO] [stdout]   22:     0x64c3c51b2f06 - core::ops::function::FnOnce::call_once::h89a577f2fccb1d6e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x64c3c523e72b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x64c3c523e72b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x64c3c52520fa - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x64c3c52520fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x64c3c52520fa - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x64c3c52520fa - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x64c3c52520fa - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x64c3c52520fa - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x64c3c52520fa - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x64c3c522c554 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x64c3c522c554 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x64c3c522fe12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x64c3c522fe12 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x64c3c522fe12 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x64c3c522fe12 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x64c3c522fe12 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x64c3c522fe12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x64c3c522fe12 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x64c3c52b8fbf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x64c3c52b8fbf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7b81b1269aa4 - <unknown>
[INFO] [stdout]   44:     0x7b81b12f6a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::week1_day6::test_task2_auto_flush
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 55 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 24.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p mini-lsm --lib`
[INFO] running `Command { std: "docker" "inspect" "f7572334799827b03f7f80f7263c28baa2100f620402712131c8ae04928c9b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7572334799827b03f7f80f7263c28baa2100f620402712131c8ae04928c9b89", kill_on_drop: false }`
[INFO] [stdout] f7572334799827b03f7f80f7263c28baa2100f620402712131c8ae04928c9b89
