[INFO] cloning repository https://github.com/blazkaro/DumB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blazkaro/DumB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblazkaro%2FDumB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblazkaro%2FDumB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09bd03fbeadbc1c95f65cdcd79394d07b91c8139
[INFO] checking blazkaro/DumB against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblazkaro%2FDumB" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blazkaro/DumB
[INFO] finished tweaking git repo https://github.com/blazkaro/DumB
[INFO] tweaked toml for git repo https://github.com/blazkaro/DumB written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blazkaro/DumB on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blazkaro/DumB 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glommio-ng-macros v0.12.0
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[INFO] [stderr]   Downloaded io-uring v0.7.14
[INFO] [stderr]   Downloaded glommio-ng v0.12.0
[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] 374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5
[INFO] running `Command { std: "docker" "start" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5", 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" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.107
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[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]     Checking futures-task v0.3.34
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[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling glommio-ng v0.12.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.28
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[INFO] [stderr]    Compiling futures-macro v0.3.34
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[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
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[INFO] [stderr]     Checking futures-executor v0.3.34
[INFO] [stderr]     Checking futures v0.3.34
[INFO] [stderr]     Checking DumB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/compaction/errors.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |             MergeError::DirMetadataSync(e) => false,
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pre_write_pos`
[INFO] [stdout]    --> src/manifest/internal.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let pre_write_pos = self.write_pos;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pre_write_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/manifest/errors.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |             ManifestOpenError::DirMetadataSync(e) => false,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/manifest/errors.rs:39:44
[INFO] [stdout]    |
[INFO] [stdout] 39 |             ManifestWriteError::NotDurable(e) => false,
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/ss_table/errors.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |             SsTableWriteError::DurabilityError(e) => false,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/tcp/listener.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/tcp/listener.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/wal/errors.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |             WalWriterError::DurabilityError(e) => false,
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/wal/reader.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     offset += value_len as usize;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shards_count`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let shards_count = CpuSet::online()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shards_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WaitingMemTable` is never constructed
[INFO] [stdout]   --> src/commands/handler.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct WaitingMemTable<MT: MemTable> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> src/compaction/compactor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct SsTableCompactor {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     parent: Directory,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cpu_shard_id` is never read
[INFO] [stdout]   --> src/manifest/internal.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct ManifestInternal {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] 13 |     cpu_shard_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/ss_table/writer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct SsTableWriter {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     dma_writer: DmaStreamWriter,
[INFO] [stdout] 11 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/ss_table/reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SsTableReader {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     dma_reader: DmaStreamReader,
[INFO] [stdout] 12 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/wal/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct WalWriter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     writer: SafeWriter,
[INFO] [stdout] 14 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/wal/reader.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct WalReader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     reader: SafeReader,
[INFO] [stdout] 14 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/compaction/errors.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |             MergeError::DirMetadataSync(e) => false,
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pre_write_pos`
[INFO] [stdout]    --> src/manifest/internal.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let pre_write_pos = self.write_pos;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pre_write_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/manifest/errors.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |             ManifestOpenError::DirMetadataSync(e) => false,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/manifest/errors.rs:39:44
[INFO] [stdout]    |
[INFO] [stdout] 39 |             ManifestWriteError::NotDurable(e) => false,
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/ss_table/errors.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |             SsTableWriteError::DurabilityError(e) => false,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/tcp/listener.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/tcp/listener.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/wal/errors.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |             WalWriterError::DurabilityError(e) => false,
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/wal/reader.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     offset += value_len as usize;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shards_count`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let shards_count = CpuSet::online()
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shards_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WaitingMemTable` is never constructed
[INFO] [stdout]   --> src/commands/handler.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct WaitingMemTable<MT: MemTable> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> src/compaction/compactor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct SsTableCompactor {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     parent: Directory,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cpu_shard_id` is never read
[INFO] [stdout]   --> src/manifest/internal.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct ManifestInternal {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] 13 |     cpu_shard_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/ss_table/writer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct SsTableWriter {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     dma_writer: DmaStreamWriter,
[INFO] [stdout] 11 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/ss_table/reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SsTableReader {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     dma_reader: DmaStreamReader,
[INFO] [stdout] 12 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/wal/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct WalWriter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     writer: SafeWriter,
[INFO] [stdout] 14 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage_config` is never read
[INFO] [stdout]   --> src/wal/reader.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct WalReader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     reader: SafeReader,
[INFO] [stdout] 14 |     storage_config: Rc<StorageConfig>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.23s
[INFO] running `Command { std: "docker" "inspect" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5", kill_on_drop: false }`
[INFO] [stdout] 374b19377b87c5af28546b4b1ed0ff65929f2da428ab3f55546ad0f845ab8ad5
