[INFO] cloning repository https://github.com/wHoIsDReAmer/wal-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wHoIsDReAmer/wal-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a27d44d9328e927044a59914efc724f8477a37b
[INFO] checking wHoIsDReAmer/wal-poc against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wHoIsDReAmer/wal-poc
[INFO] finished tweaking git repo https://github.com/wHoIsDReAmer/wal-poc
[INFO] tweaked toml for git repo https://github.com/wHoIsDReAmer/wal-poc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wHoIsDReAmer/wal-poc on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wHoIsDReAmer/wal-poc 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "117724a9e7c1612e0c1b841c9e148d1d12d91390dd46a78e13bb48780341638f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "117724a9e7c1612e0c1b841c9e148d1d12d91390dd46a78e13bb48780341638f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117724a9e7c1612e0c1b841c9e148d1d12d91390dd46a78e13bb48780341638f", kill_on_drop: false }`
[INFO] [stdout] 117724a9e7c1612e0c1b841c9e148d1d12d91390dd46a78e13bb48780341638f
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[INFO] [stdout] 50f9fc9f62f8e0d6172b62913d8e6b2d5e82deb6e5ae7b8e2b822491989974d7
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[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]     Checking residua-zigzag v0.1.0
[INFO] [stderr]     Checking from_bytes_or_zeroed v0.1.0
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]    Compiling packagemerge v0.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling bitcode_derive v0.1.4
[INFO] [stderr]     Checking bitcode v0.4.0
[INFO] [stderr]     Checking wal-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/wal/core.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffered`
[INFO] [stdout]    --> src/wal/core.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let (sequence, buffered) = self.load_data()?;
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_page_size` and `set_directory` are never used
[INFO] [stdout]    --> src/wal/core.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl WALBuilder {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] 111 |     pub fn set_page_size(mut self, page_size: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_directory(mut self, directory: PathBuf) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/wal/core.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffered`
[INFO] [stdout]    --> src/wal/core.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let (sequence, buffered) = self.load_data()?;
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALEntry` is never constructed
[INFO] [stdout]  --> src/wal/core.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct WALEntry {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/wal/core.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl WALEntry {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 16 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALManager` is never constructed
[INFO] [stdout]   --> src/wal/core.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WALManager {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `builder`, `check_and_mark`, `append`, `append_log`, `checkpoint`, and `get_current_secs` are never used
[INFO] [stdout]   --> src/wal/core.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl WALManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn builder() -> WALBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn append(&mut self, entry: WALEntry) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn append_log(&mut self, entry: WALEntry) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn checkpoint(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn get_current_secs() -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALBuilder` is never constructed
[INFO] [stdout]   --> src/wal/core.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct WALBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_page_size`, `set_directory`, `load_data`, and `build` are never used
[INFO] [stdout]    --> src/wal/core.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl WALBuilder {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] 111 |     pub fn set_page_size(mut self, page_size: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_directory(mut self, directory: PathBuf) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn load_data(&self) -> Result<(usize, Vec<WALEntry>), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn build(self) -> Result<WALManager, std::io::Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "50f9fc9f62f8e0d6172b62913d8e6b2d5e82deb6e5ae7b8e2b822491989974d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f9fc9f62f8e0d6172b62913d8e6b2d5e82deb6e5ae7b8e2b822491989974d7", kill_on_drop: false }`
[INFO] [stdout] 50f9fc9f62f8e0d6172b62913d8e6b2d5e82deb6e5ae7b8e2b822491989974d7
