[INFO] cloning repository https://github.com/palsp/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/palsp/mini-lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalsp%2Fmini-lsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalsp%2Fmini-lsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec9421d0e5ac8058f396fe259cc8680ed73f4002
[INFO] checking palsp/mini-lsm against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalsp%2Fmini-lsm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/palsp/mini-lsm
[INFO] finished tweaking git repo https://github.com/palsp/mini-lsm
[INFO] tweaked toml for git repo https://github.com/palsp/mini-lsm written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palsp/mini-lsm on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/palsp/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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `anyhow`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | anyhow = "1"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `anyhow`
[INFO] [stderr] warning: unused workspace dependency `bytes`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | bytes = "1"
[INFO] [stderr]   | ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the workspace dependency `bytes`
[INFO] [stderr] warning: workspace (manifest) generated 2 warnings
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> xtask/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm-xtask` (manifest) generated 1 warning
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> mini-lsm/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm` (manifest) generated 1 warning
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> mini-lsm-mvcc/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm-mvcc` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.2.0
[INFO] [stderr]   Downloaded error-code v3.3.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded os_pipe v1.2.3
[INFO] [stderr]   Downloaded sigchld v0.2.4
[INFO] [stderr]   Downloaded shared_thread v0.2.0
[INFO] [stderr]   Downloaded clipboard-win v5.4.1
[INFO] [stderr]   Downloaded shared_child v1.1.1
[INFO] [stderr]   Downloaded clap v4.6.2
[INFO] [stderr]   Downloaded duct v1.1.1
[INFO] [stderr]   Downloaded signal-hook v0.3.18
[INFO] [stderr]   Downloaded rustyline v18.0.1
[INFO] [stderr]   Downloaded syn v3.0.2
[INFO] [stderr]   Downloaded radix_trie v0.3.0
[INFO] [stderr]   Downloaded farmhash v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce
[INFO] running `Command { std: "docker" "start" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce", 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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce", 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=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `anyhow`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | anyhow = "1"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `anyhow`
[INFO] [stderr] warning: unused workspace dependency `bytes`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | bytes = "1"
[INFO] [stderr]   | ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the workspace dependency `bytes`
[INFO] [stderr] warning: workspace (manifest) generated 2 warnings
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> mini-lsm/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm` (manifest) generated 1 warning
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> mini-lsm-mvcc/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm-mvcc` (manifest) generated 1 warning
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]  --> xtask/Cargo.toml:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | homepage = { workspace = true }
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 | repository = { workspace = true }
[INFO] [stderr]   |              --------------------
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mini-lsm-xtask` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking clap_builder v4.6.2
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling portable-atomic v1.14.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.2.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking chacha20 v0.10.1
[INFO] [stderr]     Checking radix_trie v0.3.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]     Checking farmhash v1.1.5
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.16
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking shared_thread v0.2.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking arc-swap v1.9.2
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking console v0.16.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking uuid v1.24.0
[INFO] [stderr]     Checking rand v0.10.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sigchld v0.2.4
[INFO] [stderr]     Checking moka v0.12.15
[INFO] [stderr]     Checking shared_child v1.1.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking duct v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5
[INFO] [stderr]     Checking rustyline v18.0.1
[INFO] [stderr]     Checking ouroboros v0.18.5
[INFO] [stderr]     Checking clap v4.6.2
[INFO] [stderr]     Checking mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stderr]     Checking mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stderr]     Checking mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stdout] warning: unused import: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[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: `HashMap`
[INFO] [stdout]   --> mini-lsm-starter/src/compact.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::{HashMap, HashSet};
[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: `std::ops::Deref`
[INFO] [stdout]   --> mini-lsm-starter/src/compact.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm-starter/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> mini-lsm-starter/src/compact.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::{HashMap, HashSet};
[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: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm-mvcc/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[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: `std::ops::Deref`
[INFO] [stdout]   --> mini-lsm-starter/src/compact.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm-starter/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iterators::StorageIterator`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week3_day4.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     iterators::StorageIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iterators::StorageIterator`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week3_day7.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     iterators::StorageIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm-mvcc/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[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: `lsm_iterator::LsmIterator`
[INFO] [stdout]   --> mini-lsm/src/debug.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     lsm_iterator::LsmIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:58:69
[INFO] [stdout]    |
[INFO] [stdout] 58 |             String::from_utf8_lossy(self.first_key().as_key_slice().key_ref()),
[INFO] [stdout]    |                                                                     ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:59:68
[INFO] [stdout]    |
[INFO] [stdout] 59 |             String::from_utf8_lossy(self.last_key().as_key_slice().key_ref()),
[INFO] [stdout]    |                                                                    ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:58:69
[INFO] [stdout]    |
[INFO] [stdout] 58 |             String::from_utf8_lossy(self.first_key().as_key_slice().key_ref()),
[INFO] [stdout]    |                                                                     ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:63:58
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let key = String::from_utf8_lossy(iter.key().key_ref());
[INFO] [stdout]    |                                                          ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:59:68
[INFO] [stdout]    |
[INFO] [stdout] 59 |             String::from_utf8_lossy(self.last_key().as_key_slice().key_ref()),
[INFO] [stdout]    |                                                                    ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:75:58
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let key = String::from_utf8_lossy(iter.key().key_ref());
[INFO] [stdout]    |                                                          ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:63:58
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let key = String::from_utf8_lossy(iter.key().key_ref());
[INFO] [stdout]    |                                                          ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `key_ref` found for struct `Key<T>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/debug.rs:75:58
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let key = String::from_utf8_lossy(iter.key().key_ref());
[INFO] [stdout]    |                                                          ^^^^^^^ method not found in `Key<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: mini-lsm/src/key.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Key<T: AsRef<[u8]>>(T);
[INFO] [stdout]    | ------------------------------ method `key_ref` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_with_ts` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/mvcc/txn.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.inner.get_with_ts(key, self.read_ts)
[INFO] [stdout]    |                    ^^^^^^^^^^^ method not found in `std::sync::Arc<LsmStorageInner>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scan_with_ts` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/mvcc/txn.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let fused_iter = self.inner.scan_with_ts(lower, upper, self.read_ts)?;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ method not found in `std::sync::Arc<LsmStorageInner>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_with_ts` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/mvcc/txn.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.inner.get_with_ts(key, self.read_ts)
[INFO] [stdout]    |                    ^^^^^^^^^^^ method not found in `std::sync::Arc<LsmStorageInner>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let _lock = self.inner.mvcc().commit_lock.lock();
[INFO] [stdout]     |                                ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scan_with_ts` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]   --> mini-lsm/src/mvcc/txn.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let fused_iter = self.inner.scan_with_ts(lower, upper, self.read_ts)?;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ method not found in `std::sync::Arc<LsmStorageInner>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:139:45
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut committed_txns = self.inner.mvcc().committed_txns.lock();
[INFO] [stdout]     |                                             ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let _lock = self.inner.mvcc().commit_lock.lock();
[INFO] [stdout]     |                                ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:140:45
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let expected_commit_ts = self.inner.mvcc().latest_commit_ts() + 1;
[INFO] [stdout]     |                                             ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:139:45
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut committed_txns = self.inner.mvcc().committed_txns.lock();
[INFO] [stdout]     |                                             ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:140:45
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let expected_commit_ts = self.inner.mvcc().latest_commit_ts() + 1;
[INFO] [stdout]     |                                             ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_batch_inner` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let commit_ts = self.inner.write_batch_inner(&records)?;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `write_batch` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 157 -         let commit_ts = self.inner.write_batch_inner(&records)?;
[INFO] [stdout] 157 +         let commit_ts = self.inner.write_batch(&records)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_batch_inner` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let commit_ts = self.inner.write_batch_inner(&records)?;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `write_batch` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 157 -         let commit_ts = self.inner.write_batch_inner(&records)?;
[INFO] [stdout] 157 +         let commit_ts = self.inner.write_batch(&records)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:170:36
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let watermark = self.inner.mvcc().watermark();
[INFO] [stdout]     |                                    ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:170:36
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let watermark = self.inner.mvcc().watermark();
[INFO] [stdout]     |                                    ^^^^-- help: remove the arguments
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |         self.inner.mvcc().ts.lock().1.remove_reader(self.read_ts);
[INFO] [stdout]     |                    ^^^^-- help: remove the arguments
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mvcc` found for struct `std::sync::Arc<LsmStorageInner>` in the current scope
[INFO] [stdout]    --> mini-lsm/src/mvcc/txn.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |         self.inner.mvcc().ts.lock().1.remove_reader(self.read_ts);
[INFO] [stdout]     |                    ^^^^-- help: remove the arguments
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `del`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:346:41
[INFO] [stdout]     |
[INFO] [stdout] 346 |                         let (new_state, del) = compaction_controller.apply_compaction_result(
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_del`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:540:20
[INFO] [stdout]     |
[INFO] [stdout] 540 |             .map(|(level, sst_ids)| {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:853:14
[INFO] [stdout]     |
[INFO] [stdout] 853 |         for (level, sst_ids) in snapshot.levels.iter() {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-lsm` (lib) due to 12 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `del`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:346:41
[INFO] [stdout]     |
[INFO] [stdout] 346 |                         let (new_state, del) = compaction_controller.apply_compaction_result(
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_del`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:540:20
[INFO] [stdout]     |
[INFO] [stdout] 540 |             .map(|(level, sst_ids)| {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:853:14
[INFO] [stdout]     |
[INFO] [stdout] 853 |         for (level, sst_ids) in snapshot.levels.iter() {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> mini-lsm-starter/src/tests/week3_day3.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let iter = &mut snapshot1.scan(Bound::Unbounded, Bound::Unbounded).unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> mini-lsm-starter/src/tests/week3_day3.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     let mut iter = &mut snapshot6
[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: function `print_key` is never used
[INFO] [stdout]    --> mini-lsm-starter/src/tests/week2_day1.rs:304:4
[INFO] [stdout]     |
[INFO] [stdout] 304 | fn print_key(storage: &Arc<LsmStorageInner>, key: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-lsm` (lib test) due to 12 previous errors; 1 warning emitted
[INFO] [stderr] warning: unused dependency `arc-swap`
[INFO] [stderr]   --> mini-lsm-starter/Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | arc-swap = "1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `arc-swap`
[INFO] [stderr] warning: `mini-lsm-starter` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce", kill_on_drop: false }`
[INFO] [stdout] 64b2da1fbf03f93d7872d577b5c7b3e195cf31b785220b816c125744198d9fce
