[INFO] cloning repository https://github.com/shved/bureau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shved/bureau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshved%2Fbureau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshved%2Fbureau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f89b45d7d625b5da166e631e8a63980b02bbfd93
[INFO] checking shved/bureau against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshved%2Fbureau" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shved/bureau on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shved/bureau
[INFO] finished tweaking git repo https://github.com/shved/bureau
[INFO] tweaked toml for git repo https://github.com/shved/bureau written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shved/bureau 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros v0.18.4
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6da8ad4d3d88dad5773803c039ad133353a84f0fc2b0d237c40eb8e3624c67
[INFO] running `Command { std: "docker" "start" "-a" "ce6da8ad4d3d88dad5773803c039ad133353a84f0fc2b0d237c40eb8e3624c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6da8ad4d3d88dad5773803c039ad133353a84f0fc2b0d237c40eb8e3624c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6da8ad4d3d88dad5773803c039ad133353a84f0fc2b0d237c40eb8e3624c67", kill_on_drop: false }`
[INFO] [stdout] ce6da8ad4d3d88dad5773803c039ad133353a84f0fc2b0d237c40eb8e3624c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c97d1ac25a615fee6a42c54ec5e0b5604dc3caf5fc6fd4ee1a15cd0200acb5cc
[INFO] running `Command { std: "docker" "start" "-a" "c97d1ac25a615fee6a42c54ec5e0b5604dc3caf5fc6fd4ee1a15cd0200acb5cc", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
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[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
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[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.1
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[INFO] [stderr]    Compiling tokio-macros v2.3.0
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[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking ouroboros v0.18.4
[INFO] [stderr]     Checking clap v4.5.9
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking bureau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/engine/mod.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/engine/mod.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wal`
[INFO] [stdout]   --> src/engine/memtable.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_wal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `wal` are never read
[INFO] [stdout]   --> src/engine/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     index: index::Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     wal: wal::Wal,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_from_index` is never used
[INFO] [stdout]    --> src/engine/mod.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_BYTESYZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const BLOCK_BYTESYZE: usize = 4 * 1024; // 4KB.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_ENTRIES_NUM_BYTESIZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOCK_ENTRIES_NUM_BYTESIZE: usize = 1; // 1B number of entries in block hint.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Key` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Key {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Value {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]  --> src/engine/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     entries: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_wal` is never used
[INFO] [stdout]   --> src/engine/memtable.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl MemTable {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SSTable` is never constructed
[INFO] [stdout]  --> src/engine/sstable.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct SSTable {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMetadata` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct TableMetadata {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockIndex` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BlockIndex {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wal`
[INFO] [stdout]   --> src/engine/memtable.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_wal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `wal` are never read
[INFO] [stdout]   --> src/engine/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     index: index::Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     wal: wal::Wal,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_from_index` is never used
[INFO] [stdout]    --> src/engine/mod.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_BYTESYZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const BLOCK_BYTESYZE: usize = 4 * 1024; // 4KB.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_ENTRIES_NUM_BYTESIZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOCK_ENTRIES_NUM_BYTESIZE: usize = 1; // 1B number of entries in block hint.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Key` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Key {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Value {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]  --> src/engine/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     entries: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_wal` is never used
[INFO] [stdout]   --> src/engine/memtable.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl MemTable {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SSTable` is never constructed
[INFO] [stdout]  --> src/engine/sstable.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct SSTable {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMetadata` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct TableMetadata {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockIndex` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BlockIndex {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "c97d1ac25a615fee6a42c54ec5e0b5604dc3caf5fc6fd4ee1a15cd0200acb5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97d1ac25a615fee6a42c54ec5e0b5604dc3caf5fc6fd4ee1a15cd0200acb5cc", kill_on_drop: false }`
[INFO] [stdout] c97d1ac25a615fee6a42c54ec5e0b5604dc3caf5fc6fd4ee1a15cd0200acb5cc
[INFO] checking shved/bureau against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshved%2Fbureau" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shved/bureau on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shved/bureau
[INFO] finished tweaking git repo https://github.com/shved/bureau
[INFO] tweaked toml for git repo https://github.com/shved/bureau written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shved/bureau 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16391de0233bcdedddf886a1a65efee8d7e3fac086510c5ed1d28a557c49caaf
[INFO] running `Command { std: "docker" "start" "-a" "16391de0233bcdedddf886a1a65efee8d7e3fac086510c5ed1d28a557c49caaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16391de0233bcdedddf886a1a65efee8d7e3fac086510c5ed1d28a557c49caaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16391de0233bcdedddf886a1a65efee8d7e3fac086510c5ed1d28a557c49caaf", kill_on_drop: false }`
[INFO] [stdout] 16391de0233bcdedddf886a1a65efee8d7e3fac086510c5ed1d28a557c49caaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aab7ce95cc8af027084a6ee50605e4e01a29c616e153b2a882ac6a825202ec70
[INFO] running `Command { std: "docker" "start" "-a" "aab7ce95cc8af027084a6ee50605e4e01a29c616e153b2a882ac6a825202ec70", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-sink v0.3.30
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[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
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[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/engine/mod.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/engine/mod.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wal`
[INFO] [stdout]   --> src/engine/memtable.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_wal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wal`
[INFO] [stdout]   --> src/engine/memtable.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_wal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `wal` are never read
[INFO] [stdout]   --> src/engine/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     index: index::Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     wal: wal::Wal,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_from_index` is never used
[INFO] [stdout]    --> src/engine/mod.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_BYTESYZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const BLOCK_BYTESYZE: usize = 4 * 1024; // 4KB.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_ENTRIES_NUM_BYTESIZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOCK_ENTRIES_NUM_BYTESIZE: usize = 1; // 1B number of entries in block hint.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Key` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Key {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Value {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]  --> src/engine/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     entries: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_wal` is never used
[INFO] [stdout]   --> src/engine/memtable.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl MemTable {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `wal` are never read
[INFO] [stdout]   --> src/engine/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     index: index::Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     wal: wal::Wal,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SSTable` is never constructed
[INFO] [stdout]  --> src/engine/sstable.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct SSTable {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_from_index` is never used
[INFO] [stdout]    --> src/engine/mod.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Engine {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     async fn get_from_index(&self, key: Bytes) -> crate::Result<Option<Bytes>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_BYTESYZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const BLOCK_BYTESYZE: usize = 4 * 1024; // 4KB.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_ENTRIES_NUM_BYTESIZE` is never used
[INFO] [stdout]   --> src/engine/block.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOCK_ENTRIES_NUM_BYTESIZE: usize = 1; // 1B number of entries in block hint.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Key` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Key {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]   --> src/engine/block.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Value {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMetadata` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct TableMetadata {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]  --> src/engine/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Index {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     entries: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockIndex` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BlockIndex {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_wal` is never used
[INFO] [stdout]   --> src/engine/memtable.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl MemTable {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn from_wal(wal: Wal) -> MemTable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SSTable` is never constructed
[INFO] [stdout]  --> src/engine/sstable.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct SSTable {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMetadata` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct TableMetadata {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockIndex` is never constructed
[INFO] [stdout]   --> src/engine/sstable.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BlockIndex {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "aab7ce95cc8af027084a6ee50605e4e01a29c616e153b2a882ac6a825202ec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab7ce95cc8af027084a6ee50605e4e01a29c616e153b2a882ac6a825202ec70", kill_on_drop: false }`
[INFO] [stdout] aab7ce95cc8af027084a6ee50605e4e01a29c616e153b2a882ac6a825202ec70