[INFO] cloning repository https://github.com/ankitsheoran1/mini-lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ankitsheoran1/mini-lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitsheoran1%2Fmini-lsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitsheoran1%2Fmini-lsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89b3f214e490b6c0058c3dce37263b27047d1f58
[INFO] testing ankitsheoran1/mini-lsm against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitsheoran1%2Fmini-lsm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ankitsheoran1/mini-lsm
[INFO] finished tweaking git repo https://github.com/ankitsheoran1/mini-lsm
[INFO] tweaked toml for git repo https://github.com/ankitsheoran1/mini-lsm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ankitsheoran1/mini-lsm on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ankitsheoran1/mini-lsm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]    Compiling mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stderr]    Compiling mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stdout] warning: unused import: `nom::character::complete::u16`
[INFO] [stdout]   --> mini-lsm-starter/src/block/iterator.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use nom::character::complete::u16;
[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 import: `nom::multi::length_count`
[INFO] [stdout]   --> mini-lsm-starter/src/iterators/merge_iterator.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use nom::multi::length_count;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::io::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char::ToLowercase`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::char::ToLowercase;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::combinator::value`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::combinator::value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawRwLock`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 | use parking_lot::{Mutex, MutexGuard, RawRwLock, RwLock};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::block::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsBytes`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::AsBytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsChar`
[INFO] [stdout]   --> mini-lsm-starter/src/block/builder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use nom::AsChar;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut curr = self.current.as_mut().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (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:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     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] 84 |     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:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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] 49 |     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: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-starter/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-starter/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-starter/src/mem_table.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     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] 201 |     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:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     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] 96 |     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:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     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] 206 |     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:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     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] 260 |     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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.29s
[INFO] running `Command { std: "docker" "inspect" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stdout] warning: unused import: `nom::character::complete::u16`
[INFO] [stdout]   --> mini-lsm-starter/src/block/iterator.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use nom::character::complete::u16;
[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 import: `nom::multi::length_count`
[INFO] [stdout]   --> mini-lsm-starter/src/iterators/merge_iterator.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use nom::multi::length_count;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::io::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char::ToLowercase`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::char::ToLowercase;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::combinator::value`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::combinator::value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawRwLock`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 | use parking_lot::{Mutex, MutexGuard, RawRwLock, RwLock};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::block::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsBytes`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::AsBytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsChar`
[INFO] [stdout]   --> mini-lsm-starter/src/block/builder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use nom::AsChar;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut curr = self.current.as_mut().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (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:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     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] 84 |     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:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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] 49 |     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: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-starter/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-starter/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-starter/src/mem_table.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     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] 201 |     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:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     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] 96 |     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:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     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] 206 |     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] [stderr]    Compiling mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[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:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     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] 260 |     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] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stderr]    Compiling mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stderr]    Compiling mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stdout] warning: unused import: `nom::character::complete::u16`
[INFO] [stdout]   --> mini-lsm-starter/src/block/iterator.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use nom::character::complete::u16;
[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 import: `nom::multi::length_count`
[INFO] [stdout]   --> mini-lsm-starter/src/iterators/merge_iterator.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use nom::multi::length_count;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_iterator.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::io::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char::ToLowercase`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::char::ToLowercase;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::combinator::value`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::combinator::value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawRwLock`
[INFO] [stdout]   --> mini-lsm-starter/src/lsm_storage.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 | use parking_lot::{Mutex, MutexGuard, RawRwLock, RwLock};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::block::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsBytes`
[INFO] [stdout]   --> mini-lsm-starter/src/table/builder.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nom::AsBytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::AsChar`
[INFO] [stdout]   --> mini-lsm-starter/src/block/builder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use nom::AsChar;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut curr = self.current.as_mut().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> mini-lsm-starter/src/tests/week1_day4.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let k = String::from_utf8_lossy(&format!("key_{:03}", i * 5 + offset).into_bytes())
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     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] 84 |     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:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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] 49 |     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: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-starter/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-starter/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-starter/src/mem_table.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     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] 201 |     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:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     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] 96 |     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:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     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] 76 |     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:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     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] 206 |     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:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     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] 76 |     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:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     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] 260 |     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:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     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] 76 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `nom::character::complete::u16`
[INFO] [stderr]   --> mini-lsm-starter/src/block/iterator.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use nom::character::complete::u16;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::multi::length_count`
[INFO] [stderr]   --> mini-lsm-starter/src/iterators/merge_iterator.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use nom::multi::length_count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_iterator.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::ErrorKind`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_iterator.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::io::ErrorKind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::char::ToLowercase`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_storage.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::char::ToLowercase;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::combinator::value`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_storage.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use nom::combinator::value;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RawRwLock`
[INFO] [stderr]   --> mini-lsm-starter/src/lsm_storage.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 | use parking_lot::{Mutex, MutexGuard, RawRwLock, RwLock};
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::block::Block`
[INFO] [stderr]   --> mini-lsm-starter/src/table/builder.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::block::Block;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::AsBytes`
[INFO] [stderr]   --> mini-lsm-starter/src/table/builder.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use nom::AsBytes;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::AsChar`
[INFO] [stderr]   --> mini-lsm-starter/src/block/builder.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use nom::AsChar;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> mini-lsm-starter/src/iterators/merge_iterator.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let mut curr = self.current.as_mut().unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (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/block/iterator.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |     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] 84 |     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:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     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] 49 |     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: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-starter/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-starter/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-starter/src/mem_table.rs:201:12
[INFO] [stderr]     |
[INFO] [stderr] 201 |     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] 201 |     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:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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] 96 |     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:206:12
[INFO] [stderr]     |
[INFO] [stderr] 206 |     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] 206 |     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: 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:260:12
[INFO] [stderr]     |
[INFO] [stderr] 260 |     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] 260 |     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: unused variable: `k`
[INFO] [stderr]    --> mini-lsm-starter/src/tests/week1_day4.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let k = String::from_utf8_lossy(&format!("key_{:03}", i * 5 + offset).into_bytes())
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (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:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     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] 76 |     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/tests/harness.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     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] 76 |     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:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     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] 76 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-lsm-starter` (lib) generated 18 warnings (run `cargo fix --lib -p mini-lsm-starter` to apply 17 suggestions)
[INFO] [stderr] warning: `mini-lsm` (lib) generated 7 warnings (run `cargo fix --lib -p mini-lsm` to apply 7 suggestions)
[INFO] [stderr] warning: `mini-lsm-mvcc` (lib) generated 7 warnings (run `cargo fix --lib -p mini-lsm-mvcc` to apply 7 suggestions)
[INFO] [stderr] warning: `mini-lsm-starter` (lib test) generated 20 warnings (18 duplicates) (run `cargo fix --lib -p mini-lsm-starter --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `mini-lsm-mvcc` (lib test) generated 8 warnings (7 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 0.21s
[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_day1::test_task1_memtable_overwrite ... ok
[INFO] [stdout] test tests::week1_day2::test_task1_empty_memtable_iter ... 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_day2::test_task2_merge_empty ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_error ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_all ... ok
[INFO] [stdout] test tests::week1_day2::test_task3_fused_iterator ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_single_key ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_full ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_2 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_1 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_decode ... ok
[INFO] [stdout] test tests::week1_day3::test_block_iterator ... ok
[INFO] [stdout] test tests::week1_day3::test_block_encode ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_1 ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_single_key ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_2 ... 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_day5::test_task1_merge_3 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_seek_key ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_all ... ok
[INFO] [stdout] test tests::week1_day1::test_task2_storage_integration ... ok
[INFO] [stdout] test tests::week1_day7::test_task1_bloom_filter ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_iterator ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_two_blocks ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_decode ... ok
[INFO] [stdout] test tests::week1_day2::test_task4_integration ... ok
[INFO] [stdout] test tests::week1_day7::test_task3_block_key_compression ... ok
[INFO] [stdout] test tests::week1_day1::test_task4_storage_integration ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_storage_integration ... ok
[INFO] [stdout] test tests::week1_day7::test_task2_sst_decode ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_seek_key ... ok
[INFO] [stdout] test tests::week1_day5::test_task3_storage_get ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_freeze_on_capacity ... ok
[INFO] [stdout] test tests::week1_day5::test_task2_storage_scan ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_scan ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_get ... ok
[INFO] [stdout] test tests::week2_day1::test_task2_concat_iterator ... ok
[INFO] [stdout] test tests::week2_day1::test_task1_full_compaction ... ok
[INFO] [stdout] test tests::week2_day1::test_task3_integration ... 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::week2_day5::test_integration_tiered ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_leveled ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_simple ... ok
[INFO] [stdout] test tests::week1_day6::test_task3_sst_filter ... ok
[INFO] [stdout] test tests::week1_day6::test_task2_auto_flush ... ok
[INFO] [stdout] test tests::week2_day5::test_multiple_compacted_ssts_leveled ... ok
[INFO] [stdout] test tests::week2_day3::test_integration ... ok
[INFO] [stdout] test tests::week2_day4::test_integration ... ok
[INFO] [stdout] test tests::week2_day2::test_integration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.43s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/compaction-simulator.rs (/opt/rustwide/target/debug/deps/compaction_simulator_ref-367a9b4bedc69185)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/mini-lsm-cli.rs (/opt/rustwide/target/debug/deps/mini_lsm_cli_ref-e47d436172e78b0a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/wrapper.rs (/opt/rustwide/target/debug/deps/mini_lsm_wrapper_ref-86b71ea25a1e629f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_lsm_mvcc-7cf4bd936d5d7e94)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test tests::week1_day1::test_task1_memtable_get ... ok
[INFO] [stdout] test tests::week1_day1::test_task1_memtable_overwrite ... ok
[INFO] [stdout] test tests::week1_day2::test_task1_empty_memtable_iter ... 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_error ... ok
[INFO] [stdout] test tests::week1_day2::test_task3_fused_iterator ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_full ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_1 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_all ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_large_2 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_build_single_key ... 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_day5::test_task1_merge_1 ... ok
[INFO] [stdout] test tests::week1_day3::test_block_decode ... ok
[INFO] [stdout] test tests::week1_day5::test_task1_merge_2 ... 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_day2::test_task2_merge_2 ... ok
[INFO] [stdout] test tests::week1_day2::test_task2_merge_empty ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_iterator ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_all ... 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_day4::test_sst_build_two_blocks ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_build_single_key ... ok
[INFO] [stdout] test tests::week1_day1::test_task4_storage_integration ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_storage_integration ... ok
[INFO] [stdout] test tests::week1_day7::test_task3_block_key_compression ... ok
[INFO] [stdout] test tests::week1_day5::test_task3_storage_get ... ok
[INFO] [stdout] test tests::week1_day2::test_task4_integration ... ok
[INFO] [stdout] test tests::week1_day5::test_task2_storage_scan ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_get ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_seek_key ... ok
[INFO] [stdout] test tests::week1_day7::test_task2_sst_decode ... ok
[INFO] [stdout] test tests::week2_day1::test_task2_concat_iterator ... ok
[INFO] [stdout] test tests::week1_day4::test_sst_decode ... ok
[INFO] [stdout] test tests::week1_day6::test_task1_storage_scan ... ok
[INFO] [stdout] test tests::week2_day1::test_task3_integration ... ok
[INFO] [stdout] test tests::week3_day1::test_sst_build_multi_version_simple ... ok
[INFO] [stdout] test tests::week1_day1::test_task3_freeze_on_capacity ... ok
[INFO] [stdout] test tests::week2_day1::test_task1_full_compaction ... ok
[INFO] [stdout] test tests::week3_day3::test_task2_memtable_mvcc ... ok
[INFO] [stdout] test tests::week3_day3::test_task3_sst_ts ... ok
[INFO] [stdout] test tests::week3_day3::test_task2_lsm_iterator_mvcc ... ok
[INFO] [stdout] test tests::week3_day4::test_task1_watermark ... ok
[INFO] [stdout] test tests::week3_day4::test_task2_snapshot_watermark ... ok
[INFO] [stdout] test tests::week3_day5::test_txn_integration ... ok
[INFO] [stdout] test tests::week3_day6::test_serializable_1 ... ok
[INFO] [stdout] test tests::week3_day1::test_sst_build_multi_version_hard ... ok
[INFO] [stdout] test tests::week3_day6::test_serializable_2 ... ok
[INFO] [stdout] test tests::week3_day6::test_serializable_3_ts_range ... ok
[INFO] [stdout] test tests::week3_day6::test_serializable_4_scan ... ok
[INFO] [stdout] test tests::week3_day6::test_serializable_5_read_only ... ok
[INFO] [stdout] test tests::week3_day4::test_task3_mvcc_compaction ... ok
[INFO] [stdout] test tests::week3_day7::test_task3_mvcc_compaction ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_simple ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_tiered ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_simple ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_tiered ... ok
[INFO] [stdout] test tests::week2_day5::test_integration_leveled ... ok
[INFO] [stdout] test tests::week1_day6::test_task3_sst_filter ... ok
[INFO] [stdout] test tests::week2_day6::test_integration_leveled ... 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_day3::test_integration ... ok
[INFO] [stdout] test tests::week2_day4::test_integration ... ok
[INFO] [stdout] test tests::week2_day2::test_integration ... ok
[INFO] [stdout] test tests::week3_day2::test_task3_compaction_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' (2220) panicked at mini-lsm-mvcc/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:     0x633d521ec358 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x633d521ec358 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x633d521ec358 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x633d521ec358 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x633d52201a5a - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x633d52201a5a - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x633d521f1472 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x633d521f1472 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x633d521c8f26 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x633d521c8f26 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x633d521e3979 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x633d52137b9c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x633d52137b9c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x633d521e3bf2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x633d521e3bf2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x633d521c9014 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x633d521bdad9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x633d521c9ded - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x633d5220221c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x633d522021e2 - core[8fb95b77d25ab6c8]::panicking::panic
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x633d52081fab - mini_lsm_mvcc[c7ebe4c6a8631180]::tests::week1_day6::test_task2_auto_flush
[INFO] [stdout]                                at /opt/rustwide/workdir/mini-lsm-mvcc/src/tests/week1_day6.rs:150:5
[INFO] [stdout]   21:     0x633d52074f97 - mini_lsm_mvcc[c7ebe4c6a8631180]::tests::week1_day6::test_task2_auto_flush::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/mini-lsm-mvcc/src/tests/week1_day6.rs:135:27
[INFO] [stdout]   22:     0x633d51f7aa16 - <mini_lsm_mvcc[c7ebe4c6a8631180]::tests::week1_day6::test_task2_auto_flush::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x633d5212ac7b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x633d5212ac7b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x633d521384f5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x633d521384f5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x633d521384f5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x633d521384f5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x633d521384f5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x633d521384f5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x633d521384f5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x633d52131e04 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x633d52131e04 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x633d5213b572 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x633d5213b572 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x633d5213b572 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x633d5213b572 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x633d5213b572 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x633d5213b572 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x633d5213b572 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x633d521eba6f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   42:     0x633d521eba6f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x75842597daa4 - <unknown>
[INFO] [stdout]   44:     0x758425a0aa64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] flushed 0.sst with size=2138297
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::week1_day6::test_task2_auto_flush
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 71 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.83s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p mini-lsm-mvcc --lib`
[INFO] running `Command { std: "docker" "inspect" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000", kill_on_drop: false }`
[INFO] [stdout] 54730a598f8c22bc9450c9aecc24cea4eb9077695720eaec52a5434b68e30000
