[INFO] cloning repository https://github.com/cyoon1729/mmdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyoon1729/mmdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyoon1729%2Fmmdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyoon1729%2Fmmdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fc7f602321da8b2e58b9da3fd447fa761c4ea06
[INFO] checking cyoon1729/mmdb against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyoon1729%2Fmmdb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cyoon1729/mmdb
[INFO] finished tweaking git repo https://github.com/cyoon1729/mmdb
[INFO] tweaked toml for git repo https://github.com/cyoon1729/mmdb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cyoon1729/mmdb on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cyoon1729/mmdb 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989c5ba6c6c3acb0450cb28bcdeea9919068b572b1bdc3a47cfc0f1d328c9ad5
[INFO] running `Command { std: "docker" "start" "-a" "989c5ba6c6c3acb0450cb28bcdeea9919068b572b1bdc3a47cfc0f1d328c9ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989c5ba6c6c3acb0450cb28bcdeea9919068b572b1bdc3a47cfc0f1d328c9ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989c5ba6c6c3acb0450cb28bcdeea9919068b572b1bdc3a47cfc0f1d328c9ad5", kill_on_drop: false }`
[INFO] [stdout] 989c5ba6c6c3acb0450cb28bcdeea9919068b572b1bdc3a47cfc0f1d328c9ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a6dc2a5d095c61c0e412c03235b3aa30afcc6dd86289bf262af90a7a656273
[INFO] running `Command { std: "docker" "start" "-a" "f8a6dc2a5d095c61c0e412c03235b3aa30afcc6dd86289bf262af90a7a656273", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking mmdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pgno_left`
[INFO] [stdout]   --> src/btree_page.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_right`
[INFO] [stdout]   --> src/btree_page.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get(&self, key: &[u8]) -> Result<Pgno, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn put(&self, key: &[u8], pgno: Pgno) -> Result<Page, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno`
[INFO] [stdout]   --> src/btree_page.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn put(&self, key: &[u8], pgno: Pgno) -> Result<Page, DBError> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_pgno`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_left`
[INFO] [stdout]   --> src/btree_page.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_right`
[INFO] [stdout]   --> src/btree_page.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get(&self, key: &[u8]) -> Result<Pgno, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_left`
[INFO] [stdout]   --> src/btree_page.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_right`
[INFO] [stdout]   --> src/btree_page.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get(&self, key: &[u8]) -> Result<Pgno, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn put(&self, key: &[u8], pgno: Pgno) -> Result<Page, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno`
[INFO] [stdout]   --> src/btree_page.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn put(&self, key: &[u8], pgno: Pgno) -> Result<Page, DBError> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_pgno`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_left`
[INFO] [stdout]   --> src/btree_page.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pgno_right`
[INFO] [stdout]   --> src/btree_page.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn split(&self, pgno_left: Pgno, pgno_right: Pgno) -> Result<(Page, Page), DBError> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pgno_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree_page.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get(&self, key: &[u8]) -> Result<Pgno, DBError> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/btree_page.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BranchPage<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     inner: DataPage<'a>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/btree_page.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BranchPage<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     inner: DataPage<'a>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "f8a6dc2a5d095c61c0e412c03235b3aa30afcc6dd86289bf262af90a7a656273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a6dc2a5d095c61c0e412c03235b3aa30afcc6dd86289bf262af90a7a656273", kill_on_drop: false }`
[INFO] [stdout] f8a6dc2a5d095c61c0e412c03235b3aa30afcc6dd86289bf262af90a7a656273
