[INFO] updating cached repository https://github.com/CircuitCoder/MeowBox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c59ac7d193595e0796eb87545f4567fa5d9c11
[INFO] testing CircuitCoder/MeowBox against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/MeowBox on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] 34a59b35d05d67b95534b9ffe92df06132291c40cb115fe43c983ada76a3de8e
[INFO] running `Command { std: "docker" "start" "-a" "34a59b35d05d67b95534b9ffe92df06132291c40cb115fe43c983ada76a3de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a59b35d05d67b95534b9ffe92df06132291c40cb115fe43c983ada76a3de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a59b35d05d67b95534b9ffe92df06132291c40cb115fe43c983ada76a3de8e", kill_on_drop: false }`
[INFO] [stdout] 34a59b35d05d67b95534b9ffe92df06132291c40cb115fe43c983ada76a3de8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", 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] bc6edee608b13fa5f06ecdd7ed63576cefbc161971c36ca3a2e1f81f46b81a95
[INFO] running `Command { std: "docker" "start" "-a" "bc6edee608b13fa5f06ecdd7ed63576cefbc161971c36ca3a2e1f81f46b81a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[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: 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 `std::result::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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "bc6edee608b13fa5f06ecdd7ed63576cefbc161971c36ca3a2e1f81f46b81a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6edee608b13fa5f06ecdd7ed63576cefbc161971c36ca3a2e1f81f46b81a95", kill_on_drop: false }`
[INFO] [stdout] bc6edee608b13fa5f06ecdd7ed63576cefbc161971c36ca3a2e1f81f46b81a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74a520f2402371104429274f113b70623d2d69d6f20863b369273487855b59e
[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" "b74a520f2402371104429274f113b70623d2d69d6f20863b369273487855b59e", kill_on_drop: false }`
[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: 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 `std::result::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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "b74a520f2402371104429274f113b70623d2d69d6f20863b369273487855b59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74a520f2402371104429274f113b70623d2d69d6f20863b369273487855b59e", kill_on_drop: false }`
[INFO] [stdout] b74a520f2402371104429274f113b70623d2d69d6f20863b369273487855b59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 52ad64e19a7a15749ecd1867e50e3cb4b9fb5166f78636fb82fd49eaab8b52ad
[INFO] running `Command { std: "docker" "start" "-a" "52ad64e19a7a15749ecd1867e50e3cb4b9fb5166f78636fb82fd49eaab8b52ad", 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: 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 `std::result::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: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meow_box-bd050fcc1d44b92c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52ad64e19a7a15749ecd1867e50e3cb4b9fb5166f78636fb82fd49eaab8b52ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ad64e19a7a15749ecd1867e50e3cb4b9fb5166f78636fb82fd49eaab8b52ad", kill_on_drop: false }`
[INFO] [stdout] 52ad64e19a7a15749ecd1867e50e3cb4b9fb5166f78636fb82fd49eaab8b52ad