[INFO] cloning repository https://github.com/devatthearound/ememdb_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devatthearound/ememdb_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevatthearound%2Fememdb_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevatthearound%2Fememdb_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49c1d988393677edab937ac74a25529be65a4c5b
[INFO] checking devatthearound/ememdb_rs against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevatthearound%2Fememdb_rs" "/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/devatthearound/ememdb_rs
[INFO] finished tweaking git repo https://github.com/devatthearound/ememdb_rs
[INFO] tweaked toml for git repo https://github.com/devatthearound/ememdb_rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devatthearound/ememdb_rs on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devatthearound/ememdb_rs 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.youtube
[INFO] [stderr] warning: `ememdb_rs` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "164281d4e2048b74dc25e0de5901585dbef874c612d744b93624c3b2030a9e8f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "164281d4e2048b74dc25e0de5901585dbef874c612d744b93624c3b2030a9e8f", kill_on_drop: false }`
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[INFO] [stderr] warning: Cargo.toml: unused manifest key: package.youtube
[INFO] [stderr] warning: `ememdb_rs` (manifest) generated 1 warning
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[INFO] [stderr]    Compiling shlex v1.3.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]     Checking reqwest v0.11.27
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[INFO] [stderr]     Checking ememdb_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/query.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use uuid::Uuid;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/query.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::DocumentEntry`
[INFO] [stdout]  --> src/query.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::DocumentEntry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dashmap::DashMap`
[INFO] [stdout]  --> src/query.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use dashmap::DashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/query.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use uuid::Uuid;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/query.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::DocumentEntry`
[INFO] [stdout]  --> src/query.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::DocumentEntry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dashmap::DashMap`
[INFO] [stdout]  --> src/query.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use dashmap::DashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/db.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut new_documents = DashMap::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/query.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let mut query = self.target_collection.select("*");
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/db.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut new_documents = DashMap::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/query.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let mut query = self.target_collection.select("*");
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/db.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn create<T: 'static>(&self) -> CollectionBuilder<T> {
[INFO] [stdout]    |                                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn create<T: 'static>(&self) -> CollectionBuilder<'_, T> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/db.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn create<T: 'static>(&self) -> CollectionBuilder<T> {
[INFO] [stdout]    |                                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn create<T: 'static>(&self) -> CollectionBuilder<'_, T> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OperationResult`
[INFO] [stdout]  --> examples/condition_query.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ememdb_rs::{InMemoryDB, TTL, KeyType, OperationResult};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ememdb_rs` (example "upsert") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/upsert.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut users = db.create::<Value>()
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]   --> examples/upsert.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |     match users.upsert(new_user.clone(), Some(TTL::GlobalTTL(3600))) {
[INFO] [stdout]    |           ^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<Collection>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]   --> examples/upsert.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     match users.upsert(updated_user.clone(), Some(TTL::CustomTTL(7200))) {
[INFO] [stdout]    |           ^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<Collection>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]   --> examples/upsert.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |     match users.upsert(another_user.clone(), None) {
[INFO] [stdout]    |           ^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<Collection>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Collection`, `JoinBuilder`, and `QueryBuilder`
[INFO] [stdout]  --> examples/join.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ememdb_rs::{InMemoryDB, Collection, TTL, KeyType, QueryBuilder, JoinBuilder};
[INFO] [stdout]   |                             ^^^^^^^^^^                ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/condition_query.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut db = InMemoryDB::new("example_db", TTL::NoTTL);
[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: variable does not need to be mutable
[INFO] [stdout]  --> examples/condition_query.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut users = db.create::<serde_json::Value>()
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> examples/condition_query.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let result = users.select("name, age")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OperationResult`
[INFO] [stdout]  --> examples/create.rs:2:61
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ememdb_rs::{InMemoryDB, TTL, KeyType, CollectionConfig, OperationResult};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/create.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut collection = db.create::<Value>()
[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: unused `Result` that must be used
[INFO] [stdout]   --> examples/create.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     collection.insert(json!({
[INFO] [stdout] 27 | |         "user_id": "1",
[INFO] [stdout] 28 | |         "email": "asdf@adf.com"})
[INFO] [stdout] 29 | |         , Some(TTL::GlobalTTL(60)));
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = collection.insert(json!({
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "164281d4e2048b74dc25e0de5901585dbef874c612d744b93624c3b2030a9e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164281d4e2048b74dc25e0de5901585dbef874c612d744b93624c3b2030a9e8f", kill_on_drop: false }`
[INFO] [stdout] 164281d4e2048b74dc25e0de5901585dbef874c612d744b93624c3b2030a9e8f
