[INFO] cloning repository https://github.com/YangchenYe323/gitqlite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YangchenYe323/gitqlite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fgitqlite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fgitqlite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7255e3716bd0d8384697c356cc60114685a486cd
[INFO] checking YangchenYe323/gitqlite against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fgitqlite" "/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/YangchenYe323/gitqlite
[INFO] finished tweaking git repo https://github.com/YangchenYe323/gitqlite
[INFO] tweaked toml for git repo https://github.com/YangchenYe323/gitqlite written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YangchenYe323/gitqlite on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YangchenYe323/gitqlite 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26c5748af9c4103edbb3496bba5ba85679afba12ccb6f29796f8ef2b5cd70b3
[INFO] running `Command { std: "docker" "start" "-a" "a26c5748af9c4103edbb3496bba5ba85679afba12ccb6f29796f8ef2b5cd70b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26c5748af9c4103edbb3496bba5ba85679afba12ccb6f29796f8ef2b5cd70b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26c5748af9c4103edbb3496bba5ba85679afba12ccb6f29796f8ef2b5cd70b3", kill_on_drop: false }`
[INFO] [stdout] a26c5748af9c4103edbb3496bba5ba85679afba12ccb6f29796f8ef2b5cd70b3
[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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7d5e77afe65aec0b1205c9a5e32b2c33553714a942ba3ba78ac6d840aaa4f4
[INFO] running `Command { std: "docker" "start" "-a" "6c7d5e77afe65aec0b1205c9a5e32b2c33553714a942ba3ba78ac6d840aaa4f4", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repo/db/head.rs:30:54
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let head = serde_json::from_str(&s).map_err(|e| anyhow!("Invalid head string: {}", s))?;
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Blob` is never constructed
[INFO] [stdout]  --> src/repo/db/blob.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Blob<ID: IdType<ID>> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_id` are never used
[INFO] [stdout]   --> src/repo/db/blob.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Blob<NoId> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(data: Vec<u8>) -> Blob<NoId> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn with_id(self) -> Blob<Sha1Id> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Commit` is never constructed
[INFO] [stdout]  --> src/repo/db/commit.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Commit<ID: IdType<ID>> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_id` are never used
[INFO] [stdout]   --> src/repo/db/commit.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Commit<NoId> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn with_id(self) -> Commit<Sha1Id> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hashable` is never used
[INFO] [stdout]  --> src/repo/db/hash.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Hashable {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Head` is never used
[INFO] [stdout]  --> src/repo/db/head.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Head {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]   --> src/repo/db/index.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Index {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MergeStage` is never used
[INFO] [stdout]   --> src/repo/db/index.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum MergeStage {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IndexEntry` is never constructed
[INFO] [stdout]   --> src/repo/db/index.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct IndexEntry {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `remove` are never used
[INFO] [stdout]   --> src/repo/db/index.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Index {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 69 |     fn new() -> Index {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn remove(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileType` is never used
[INFO] [stdout]  --> src/repo/db/object.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum FileType {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num` is never used
[INFO] [stdout]   --> src/repo/db/object.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FileType {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |     pub fn num(self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ObjectType` is never used
[INFO] [stdout]   --> src/repo/db/object.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum ObjectType {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Object` is never used
[INFO] [stdout]   --> src/repo/db/object.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait Object: Sized {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]  --> src/repo/db/reference.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Ref {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_table`, `read_from_with_name`, and `persist` are never used
[INFO] [stdout]   --> src/repo/db/reference.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Ref {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn create_table(txn: &Transaction) -> crate::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn read_from_with_name(txn: &Transaction, name: &str) -> crate::Result<Option<Ref>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn persist(&self, txn: &Transaction) -> crate::Result<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/repo/db/tree.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Tree<ID: IdType<ID>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeEntry` is never constructed
[INFO] [stdout]   --> src/repo/db/tree.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TreeEntry {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_id` is never used
[INFO] [stdout]   --> src/repo/db/tree.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Tree<NoId> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 58 |     pub fn with_id(self) -> Tree<Sha1Id> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hint::black_box`
[INFO] [stdout]  --> benches/ignore_bench.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fs, hint::black_box, time::Duration};
[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: `e`
[INFO] [stdout]   --> src/repo/db/head.rs:30:54
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let head = serde_json::from_str(&s).map_err(|e| anyhow!("Invalid head string: {}", s))?;
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/repo/db/tree.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut entries2 = entries1.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Head` is never used
[INFO] [stdout]  --> src/repo/db/head.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Head {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num` is never used
[INFO] [stdout]   --> src/repo/db/object.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FileType {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |     pub fn num(self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `type_` is never used
[INFO] [stdout]   --> src/repo/db/object.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait Object: Sized {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn type_(&self) -> ObjectType;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.42s
[INFO] running `Command { std: "docker" "inspect" "6c7d5e77afe65aec0b1205c9a5e32b2c33553714a942ba3ba78ac6d840aaa4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7d5e77afe65aec0b1205c9a5e32b2c33553714a942ba3ba78ac6d840aaa4f4", kill_on_drop: false }`
[INFO] [stdout] 6c7d5e77afe65aec0b1205c9a5e32b2c33553714a942ba3ba78ac6d840aaa4f4
