[INFO] cloning repository https://github.com/jcdyer/potpot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcdyer/potpot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33b58d9602ed6a01db278d88c28e841484c479ee
[INFO] checking jcdyer/potpot against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jcdyer/potpot
[INFO] finished tweaking git repo https://github.com/jcdyer/potpot
[INFO] tweaked toml for git repo https://github.com/jcdyer/potpot written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jcdyer/potpot on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f23dc49129c8e475f9a69be595bdd25b61643c5c8c11e464fc89303e998dfa9
[INFO] running `Command { std: "docker" "start" "-a" "4f23dc49129c8e475f9a69be595bdd25b61643c5c8c11e464fc89303e998dfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f23dc49129c8e475f9a69be595bdd25b61643c5c8c11e464fc89303e998dfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f23dc49129c8e475f9a69be595bdd25b61643c5c8c11e464fc89303e998dfa9", kill_on_drop: false }`
[INFO] [stdout] 4f23dc49129c8e475f9a69be595bdd25b61643c5c8c11e464fc89303e998dfa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4efdf96089563e2ed0e553704a9ceb3210168fd7bbed6378ff2ffa1e7b23279
[INFO] running `Command { std: "docker" "start" "-a" "e4efdf96089563e2ed0e553704a9ceb3210168fd7bbed6378ff2ffa1e7b23279", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking crc-catalog v2.5.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking crc v3.4.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking potpot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/btree.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{aligned, record::{self, PageId}};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/btree.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{aligned, record::{self, PageId}};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn find_child(&self, key: &[u8]) -> Result<PageId, anyhow::Error> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MasterRecord` and `DataPage` are never constructed
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) enum PageType {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 22 |     MasterRecord = 0x0000,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     DataPage = 0x1000,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldSpec` is never constructed
[INFO] [stdout]    --> src/easyhashtable.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     struct FieldSpec {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |     impl FieldSpec {
[INFO] [stdout]     |     -------------- associated function in this implementation
[INFO] [stdout] 246 |         const fn new(offset: usize, len: usize) -> FieldSpec {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldIndex` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |     enum FieldIndex {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FIELDS` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:261:12
[INFO] [stdout]     |
[INFO] [stdout] 261 |     static FIELDS: &[FieldSpec] = &[
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u32` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn read_u32(s: &[u8]) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root_page` is never read
[INFO] [stdout]   --> src/btree.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BTree {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     root_page: PageId
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/btree.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_child` is never used
[INFO] [stdout]   --> src/btree.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 25 |     fn find_child(&self, key: &[u8]) -> Result<PageId, anyhow::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeIter` is never constructed
[INFO] [stdout]   --> src/btree.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct NodeIter<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/btree.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct NodeId(u64);
[INFO] [stdout]    |            ------ ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn find_child(&self, key: &[u8]) -> Result<PageId, anyhow::Error> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MasterRecord` and `DataPage` are never constructed
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) enum PageType {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 22 |     MasterRecord = 0x0000,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     DataPage = 0x1000,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldSpec` is never constructed
[INFO] [stdout]    --> src/easyhashtable.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     struct FieldSpec {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |     impl FieldSpec {
[INFO] [stdout]     |     -------------- associated function in this implementation
[INFO] [stdout] 246 |         const fn new(offset: usize, len: usize) -> FieldSpec {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldIndex` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |     enum FieldIndex {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FIELDS` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:261:12
[INFO] [stdout]     |
[INFO] [stdout] 261 |     static FIELDS: &[FieldSpec] = &[
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u32` is never used
[INFO] [stdout]    --> src/easyhashtable.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn read_u32(s: &[u8]) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root_page` is never read
[INFO] [stdout]   --> src/btree.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BTree {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     root_page: PageId
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/btree.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_child` is never used
[INFO] [stdout]   --> src/btree.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 25 |     fn find_child(&self, key: &[u8]) -> Result<PageId, anyhow::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeIter` is never constructed
[INFO] [stdout]   --> src/btree.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct NodeIter<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/btree.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct NodeId(u64);
[INFO] [stdout]    |            ------ ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "e4efdf96089563e2ed0e553704a9ceb3210168fd7bbed6378ff2ffa1e7b23279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4efdf96089563e2ed0e553704a9ceb3210168fd7bbed6378ff2ffa1e7b23279", kill_on_drop: false }`
[INFO] [stdout] e4efdf96089563e2ed0e553704a9ceb3210168fd7bbed6378ff2ffa1e7b23279
