[INFO] cloning repository https://github.com/harukitosa/relly_clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harukitosa/relly_clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukitosa%2Frelly_clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukitosa%2Frelly_clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e8c77d0e82aa99eaf4d1e24825b95000202f631
[INFO] testing harukitosa/relly_clone against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukitosa%2Frelly_clone" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harukitosa/relly_clone on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harukitosa/relly_clone
[INFO] finished tweaking git repo https://github.com/harukitosa/relly_clone
[INFO] tweaked toml for git repo https://github.com/harukitosa/relly_clone written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/harukitosa/relly_clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbeeda18fd3355cf30fe39d329d8dd0c82fd03a03a150a6ac537db1eab17aaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cbeeda18fd3355cf30fe39d329d8dd0c82fd03a03a150a6ac537db1eab17aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbeeda18fd3355cf30fe39d329d8dd0c82fd03a03a150a6ac537db1eab17aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbeeda18fd3355cf30fe39d329d8dd0c82fd03a03a150a6ac537db1eab17aaf", kill_on_drop: false }`
[INFO] [stdout] 2cbeeda18fd3355cf30fe39d329d8dd0c82fd03a03a150a6ac537db1eab17aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef26712d6462fb38de50aa4eb85c1678c7d02da5cc6c6ac17fdc6ee80c10e9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bef26712d6462fb38de50aa4eb85c1678c7d02da5cc6c6ac17fdc6ee80c10e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling relly_clone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/buffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid`
[INFO] [stdout]   --> src/disk.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn valid(self) -> Option<PageId> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_u64`
[INFO] [stdout]   --> src/disk.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DiskManager`
[INFO] [stdout]   --> src/disk.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct DiskManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/disk.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(heap_file: File) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/disk.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn open(heap_file_path: impl AsRef<Path>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_page_data`
[INFO] [stdout]   --> src/disk.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn read_page_data(&mut self, page_id: PageId, data: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_page_data`
[INFO] [stdout]   --> src/disk.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn write_page_data(&mut self, page_id: PageId, data: &[u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `allocate_page`
[INFO] [stdout]   --> src/disk.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn allocate_page(&mut self) -> PageId {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync`
[INFO] [stdout]   --> src/disk.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn sync(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoFreeBuffer`
[INFO] [stdout]   --> src/buffer.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     NoFreeBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/buffer.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, thiserror::Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `usage_count`
[INFO] [stdout]   --> src/buffer.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     usage_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/buffer.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/buffer.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 |     buffer: Rc<Buffer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/buffer.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_victim_id`
[INFO] [stdout]   --> src/buffer.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     next_victim_id: BufferId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(pool_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/buffer.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evict`
[INFO] [stdout]   --> src/buffer.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn evict(&mut self) -> Option<BufferId> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_id`
[INFO] [stdout]   --> src/buffer.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn increment_id(&self, buffer_id: BufferId) -> BufferId {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BufferPoolManager`
[INFO] [stdout]    --> src/buffer.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct BufferPoolManager {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/buffer.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn new(disk: DiskManager, pool: BufferPool) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_page`
[INFO] [stdout]    --> src/buffer.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<Buffer>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_page`
[INFO] [stdout]    --> src/buffer.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn create_page(&mut self) -> Result<Rc<Buffer>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]    --> src/buffer.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn flush(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.63s
[INFO] running `Command { std: "docker" "inspect" "bef26712d6462fb38de50aa4eb85c1678c7d02da5cc6c6ac17fdc6ee80c10e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef26712d6462fb38de50aa4eb85c1678c7d02da5cc6c6ac17fdc6ee80c10e9d", kill_on_drop: false }`
[INFO] [stdout] bef26712d6462fb38de50aa4eb85c1678c7d02da5cc6c6ac17fdc6ee80c10e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca411d8be2549125268a480c8adc21a078fae16b90092e527844319b403d186
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fca411d8be2549125268a480c8adc21a078fae16b90092e527844319b403d186", kill_on_drop: false }`
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling relly_clone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/buffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid`
[INFO] [stdout]   --> src/disk.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn valid(self) -> Option<PageId> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync`
[INFO] [stdout]   --> src/disk.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn sync(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]    --> src/buffer.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn flush(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "fca411d8be2549125268a480c8adc21a078fae16b90092e527844319b403d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca411d8be2549125268a480c8adc21a078fae16b90092e527844319b403d186", kill_on_drop: false }`
[INFO] [stdout] fca411d8be2549125268a480c8adc21a078fae16b90092e527844319b403d186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc9011bf788ea9e83bf8b344a47280d871945a4ea6b31210cede8b9532b86130
[INFO] running `Command { std: "docker" "start" "-a" "cc9011bf788ea9e83bf8b344a47280d871945a4ea6b31210cede8b9532b86130", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout] running 2 tests
[INFO] [stderr]  --> src/buffer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `valid`
[INFO] [stderr]   --> src/disk.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn valid(self) -> Option<PageId> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync`
[INFO] [stderr]   --> src/disk.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn sync(&mut self) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]    --> src/buffer.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn flush(&mut self) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `relly_clone` (bin "relly_clone" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/relly_clone-2cfea98c4674d0bb)
[INFO] [stdout] test disk::tests::test ... ok
[INFO] [stdout] test buffer::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc9011bf788ea9e83bf8b344a47280d871945a4ea6b31210cede8b9532b86130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9011bf788ea9e83bf8b344a47280d871945a4ea6b31210cede8b9532b86130", kill_on_drop: false }`
[INFO] [stdout] cc9011bf788ea9e83bf8b344a47280d871945a4ea6b31210cede8b9532b86130