[INFO] cloning repository https://github.com/suhanyujie/rust-repl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhanyujie/rust-repl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-repl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-repl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90ad82698cbd2b91f73ba835afe0763788f57061
[INFO] building suhanyujie/rust-repl against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-repl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhanyujie/rust-repl on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhanyujie/rust-repl
[INFO] finished tweaking git repo https://github.com/suhanyujie/rust-repl
[INFO] tweaked toml for git repo https://github.com/suhanyujie/rust-repl written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/suhanyujie/rust-repl 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf069d3f268855572a705e755dd1be863343f91b030bfbba3ac01f4c4576e9ff
[INFO] running `Command { std: "docker" "start" "-a" "cf069d3f268855572a705e755dd1be863343f91b030bfbba3ac01f4c4576e9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf069d3f268855572a705e755dd1be863343f91b030bfbba3ac01f4c4576e9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf069d3f268855572a705e755dd1be863343f91b030bfbba3ac01f4c4576e9ff", kill_on_drop: false }`
[INFO] [stdout] cf069d3f268855572a705e755dd1be863343f91b030bfbba3ac01f4c4576e9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4cbbf752b3afb1ff91d4b4c344d666ce654f5b78ec90b9e51f4106eed745310
[INFO] running `Command { std: "docker" "start" "-a" "a4cbbf752b3afb1ff91d4b4c344d666ce654f5b78ec90b9e51f4106eed745310", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rust-repl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/command.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `str::FromStr` and `string::ParseError`
[INFO] [stdout]  --> src/statement.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{str::FromStr, string::ParseError};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/statement.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/statement.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/command.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         std::process::exit(0);
[INFO] [stdout]    |         --------------------- any code following this expression is unreachable
[INFO] [stdout] 67 |         return MetaCmdResEnum::MetaCmdSuccess;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NodeType` is never used
[INFO] [stdout]  --> src/btree.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum NodeType {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/btree.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ROW_SIZE: usize = 100;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PAGE_SIZE: usize = 1000;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NODE_TYPE_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const NODE_TYPE_OFFSET: usize = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const IS_ROOT_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const IS_ROOT_OFFSET: usize = NODE_TYPE_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PARENT_POINTER_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMMON_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const COMMON_NODE_HEADER_SIZE: usize = NODE_TYPE_SIZE + IS_ROOT_SIZE + PARENT_POINTER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const LEAF_NODE_NUM_CELLS_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const LEAF_NODE_NUM_CELLS_OFFSET: usize = COMMON_NODE_HEADER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const LEAF_NODE_HEADER_SIZE: usize = COMMON_NODE_HEADER_SIZE + LEAF_NODE_NUM_CELLS_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const LEAF_NODE_KEY_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const LEAF_NODE_KEY_OFFSET: usize = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const LEAF_NODE_VALUE_SIZE: usize = ROW_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const LEAF_NODE_VALUE_OFFSET: usize = LEAF_NODE_KEY_OFFSET + LEAF_NODE_KEY_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_CELL_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const LEAF_NODE_CELL_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_SPACE_FOR_CELLS` is never used
[INFO] [stdout]   --> src/btree.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const LEAF_NODE_SPACE_FOR_CELLS: usize = PAGE_SIZE - LEAF_NODE_HEADER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_MAX_CELLS` is never used
[INFO] [stdout]   --> src/btree.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const LEAF_NODE_MAX_CELLS: usize = LEAF_NODE_SPACE_FOR_CELLS / LEAF_NODE_CELL_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `username`, and `email` are never read
[INFO] [stdout]   --> src/statement.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct UserRow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 34 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 36 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserRow` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "a4cbbf752b3afb1ff91d4b4c344d666ce654f5b78ec90b9e51f4106eed745310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4cbbf752b3afb1ff91d4b4c344d666ce654f5b78ec90b9e51f4106eed745310", kill_on_drop: false }`
[INFO] [stdout] a4cbbf752b3afb1ff91d4b4c344d666ce654f5b78ec90b9e51f4106eed745310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff45a89edde9a8d26466a4d55165f76e2f825c78ddf849fa1752cdd3756398d
[INFO] running `Command { std: "docker" "start" "-a" "1ff45a89edde9a8d26466a4d55165f76e2f825c78ddf849fa1752cdd3756398d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-repl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `str::FromStr` and `string::ParseError`
[INFO] [stdout]  --> src/statement.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{str::FromStr, string::ParseError};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/statement.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/statement.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/command.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         std::process::exit(0);
[INFO] [stdout]    |         --------------------- any code following this expression is unreachable
[INFO] [stdout] 67 |         return MetaCmdResEnum::MetaCmdSuccess;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NodeType` is never used
[INFO] [stdout]  --> src/btree.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum NodeType {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/btree.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ROW_SIZE: usize = 100;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PAGE_SIZE: usize = 1000;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NODE_TYPE_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const NODE_TYPE_OFFSET: usize = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const IS_ROOT_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const IS_ROOT_OFFSET: usize = NODE_TYPE_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PARENT_POINTER_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMMON_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const COMMON_NODE_HEADER_SIZE: usize = NODE_TYPE_SIZE + IS_ROOT_SIZE + PARENT_POINTER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const LEAF_NODE_NUM_CELLS_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const LEAF_NODE_NUM_CELLS_OFFSET: usize = COMMON_NODE_HEADER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const LEAF_NODE_HEADER_SIZE: usize = COMMON_NODE_HEADER_SIZE + LEAF_NODE_NUM_CELLS_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const LEAF_NODE_KEY_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const LEAF_NODE_KEY_OFFSET: usize = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const LEAF_NODE_VALUE_SIZE: usize = ROW_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const LEAF_NODE_VALUE_OFFSET: usize = LEAF_NODE_KEY_OFFSET + LEAF_NODE_KEY_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_CELL_SIZE` is never used
[INFO] [stdout]   --> src/btree.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const LEAF_NODE_CELL_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_SPACE_FOR_CELLS` is never used
[INFO] [stdout]   --> src/btree.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const LEAF_NODE_SPACE_FOR_CELLS: usize = PAGE_SIZE - LEAF_NODE_HEADER_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_MAX_CELLS` is never used
[INFO] [stdout]   --> src/btree.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const LEAF_NODE_MAX_CELLS: usize = LEAF_NODE_SPACE_FOR_CELLS / LEAF_NODE_CELL_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `username`, and `email` are never read
[INFO] [stdout]   --> src/statement.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct UserRow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 34 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 36 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserRow` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "1ff45a89edde9a8d26466a4d55165f76e2f825c78ddf849fa1752cdd3756398d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff45a89edde9a8d26466a4d55165f76e2f825c78ddf849fa1752cdd3756398d", kill_on_drop: false }`
[INFO] [stdout] 1ff45a89edde9a8d26466a4d55165f76e2f825c78ddf849fa1752cdd3756398d