[INFO] cloning repository https://github.com/CircuitCoder/MeowBox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/MeowBox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c59ac7d193595e0796eb87545f4567fa5d9c11
[INFO] testing CircuitCoder/MeowBox against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/MeowBox on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CircuitCoder/MeowBox
[INFO] finished tweaking git repo https://github.com/CircuitCoder/MeowBox
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/MeowBox written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/CircuitCoder/MeowBox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ac2bd70212825f36a9ff36b4d5f7f6cb3001eb61463018679847413bd805103
[INFO] running `Command { std: "docker" "start" "-a" "9ac2bd70212825f36a9ff36b4d5f7f6cb3001eb61463018679847413bd805103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac2bd70212825f36a9ff36b4d5f7f6cb3001eb61463018679847413bd805103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac2bd70212825f36a9ff36b4d5f7f6cb3001eb61463018679847413bd805103", kill_on_drop: false }`
[INFO] [stdout] 9ac2bd70212825f36a9ff36b4d5f7f6cb3001eb61463018679847413bd805103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2baa1d79c9990db3220c4a8d1268211ff723a1012e3af9116c76dc4560d1c6f
[INFO] running `Command { std: "docker" "start" "-a" "f2baa1d79c9990db3220c4a8d1268211ff723a1012e3af9116c76dc4560d1c6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling meow-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::*`
[INFO] [stdout]  --> src/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::*;
[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: `get`
[INFO] [stdout]   --> src/storage.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/storage.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   id: u64,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FieldType`
[INFO] [stdout]  --> src/record.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum FieldType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/record.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Schema`
[INFO] [stdout]   --> src/record.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Schema {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/record.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Record`
[INFO] [stdout]   --> src/record.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Record<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cursor`
[INFO] [stdout]   --> src/record.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cursor<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/record.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Manager`
[INFO] [stdout]   --> src/record.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/record.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_page`
[INFO] [stdout]   --> src/record.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cursor`
[INFO] [stdout]   --> src/record.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/record.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |       self.storage.read_page(at, buf);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "f2baa1d79c9990db3220c4a8d1268211ff723a1012e3af9116c76dc4560d1c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2baa1d79c9990db3220c4a8d1268211ff723a1012e3af9116c76dc4560d1c6f", kill_on_drop: false }`
[INFO] [stdout] f2baa1d79c9990db3220c4a8d1268211ff723a1012e3af9116c76dc4560d1c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a80d23f25705dd6be0b7f15378e9581828440f0f0335d8639e5e2d5f1432907a
[INFO] running `Command { std: "docker" "start" "-a" "a80d23f25705dd6be0b7f15378e9581828440f0f0335d8639e5e2d5f1432907a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling meow-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::*`
[INFO] [stdout]  --> src/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::*;
[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: `get`
[INFO] [stdout]   --> src/storage.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/storage.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   id: u64,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FieldType`
[INFO] [stdout]  --> src/record.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum FieldType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/record.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Schema`
[INFO] [stdout]   --> src/record.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Schema {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/record.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Record`
[INFO] [stdout]   --> src/record.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Record<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cursor`
[INFO] [stdout]   --> src/record.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cursor<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/record.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Manager`
[INFO] [stdout]   --> src/record.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/record.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_page`
[INFO] [stdout]   --> src/record.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cursor`
[INFO] [stdout]   --> src/record.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/record.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |       self.storage.read_page(at, buf);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "a80d23f25705dd6be0b7f15378e9581828440f0f0335d8639e5e2d5f1432907a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80d23f25705dd6be0b7f15378e9581828440f0f0335d8639e5e2d5f1432907a", kill_on_drop: false }`
[INFO] [stdout] a80d23f25705dd6be0b7f15378e9581828440f0f0335d8639e5e2d5f1432907a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1414b2e442c9a88c7f92058e083b6f2a253e3db87072c4ac68e2267561a1589f
[INFO] running `Command { std: "docker" "start" "-a" "1414b2e442c9a88c7f92058e083b6f2a253e3db87072c4ac68e2267561a1589f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::sync::*`
[INFO] [stderr]  --> src/record.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/storage.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/storage.rs:73:3
[INFO] [stderr]    |
[INFO] [stderr] 73 |   id: u64,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FieldType`
[INFO] [stderr]  --> src/record.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum FieldType {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/record.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Schema`
[INFO] [stderr]   --> src/record.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Schema {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/record.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Record`
[INFO] [stderr]   --> src/record.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Record<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cursor`
[INFO] [stderr]   --> src/record.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Cursor<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/record.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Manager`
[INFO] [stderr]   --> src/record.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct Manager {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/record.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_page`
[INFO] [stderr]   --> src/record.rs:87:10
[INFO] [stderr]    |
[INFO] [stderr] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cursor`
[INFO] [stderr]   --> src/record.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/record.rs:90:7
[INFO] [stderr]    |
[INFO] [stderr] 90 |       self.storage.read_page(at, buf);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `meow-box` (bin "meow-box" test) generated 15 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/meow_box-2d981671cbc30a54)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1414b2e442c9a88c7f92058e083b6f2a253e3db87072c4ac68e2267561a1589f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1414b2e442c9a88c7f92058e083b6f2a253e3db87072c4ac68e2267561a1589f", kill_on_drop: false }`
[INFO] [stdout] 1414b2e442c9a88c7f92058e083b6f2a253e3db87072c4ac68e2267561a1589f