[INFO] cloning repository https://github.com/tacogips/mongodb_rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tacogips/mongodb_rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacogips%2Fmongodb_rust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacogips%2Fmongodb_rust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba597c8a4c9cd1dfc152fe9f277fba58dea17cf1
[INFO] testing tacogips/mongodb_rust_practice against beta-2025-04-20 for beta-1.87-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacogips%2Fmongodb_rust_practice" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tacogips/mongodb_rust_practice on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tacogips/mongodb_rust_practice
[INFO] finished tweaking git repo https://github.com/tacogips/mongodb_rust_practice
[INFO] tweaked toml for git repo https://github.com/tacogips/mongodb_rust_practice written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tacogips/mongodb_rust_practice 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" "+beta-2025-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling clientv2 v0.1.0 (/opt/rustwide/workdir/clientv2)
[INFO] [stderr]    Compiling clientv2_lock v0.1.0 (/opt/rustwide/workdir/clientv2_lock)
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Database`, `Document`, and `DropCollectionOptions`
[INFO] [stdout]   --> clientv2/src/main.rs:3:17
[INFO] [stdout]    |
[INFO] [stdout] 3  |     bson::{doc, Bson, Document},
[INFO] [stdout]    |                 ^^^^  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, FindOneAndUpdateOptions,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Client, ClientSession, Collection, Database, IndexModel,
[INFO] [stdout]    |                            ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> optimistic_lock/src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv2/src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> clientv2_lock/src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stdout]  --> clientv2_lock/src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bson::{doc, Bson, Document},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^
[INFO] [stdout] 4 |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     options::{
[INFO] [stdout] 6 |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Client, ClientSession, Collection, Database,
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv2_lock/src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stdout]   --> optimistic_lock/src/main.rs:3:17
[INFO] [stdout]    |
[INFO] [stdout] 3  |     bson::{doc, Bson, Document},
[INFO] [stdout]    |                 ^^^^  ^^^^^^^^
[INFO] [stdout] 4  |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5  |     options::{
[INFO] [stdout] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Client, ClientSession, Collection, Database,
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> optimistic_lock/src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 16 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> clientv2_lock/src/main.rs:56:60
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .find_one_with_session(Some(doc! {"id":"user_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> clientv2_lock/src/main.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 doc! {"id" : user_id.clone()},
[INFO] [stdout]    |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> optimistic_lock/src/main.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> optimistic_lock/src/main.rs:80:60
[INFO] [stdout]    |
[INFO] [stdout] 80 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> optimistic_lock/src/main.rs:106:60
[INFO] [stdout]     |
[INFO] [stdout] 106 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> optimistic_lock/src/main.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 {"id" : book_id.clone()},
[INFO] [stdout]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clientv1 v0.1.0 (/opt/rustwide/workdir/clientv1)
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Database`, and `DropCollectionOptions`
[INFO] [stdout]  --> clientv1/src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bson::{doc, from_document, to_document, Bson, Document},
[INFO] [stdout]   |                                             ^^^^
[INFO] [stdout] 4 |     options::{ClientOptions, DropCollectionOptions, StreamAddress, UpdateModifications},
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     Client, Collection, Database,
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv1/src/main.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 10 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.2.2, bson v2.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "04c3cab5f9ddfc91ffac212f4449b009bf76777069cb7f2427f8331f25bcd902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c3cab5f9ddfc91ffac212f4449b009bf76777069cb7f2427f8331f25bcd902", kill_on_drop: false }`
[INFO] [stdout] 04c3cab5f9ddfc91ffac212f4449b009bf76777069cb7f2427f8331f25bcd902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28e5eac1fb35fdfbdbb7790c98abdfe5e205cb1aa2371cb3e0e915281005f897
[INFO] running `Command { std: "docker" "start" "-a" "28e5eac1fb35fdfbdbb7790c98abdfe5e205cb1aa2371cb3e0e915281005f897", kill_on_drop: false }`
[INFO] [stderr]    Compiling clientv2_lock v0.1.0 (/opt/rustwide/workdir/clientv2_lock)
[INFO] [stderr]    Compiling optimistic_lock v0.1.0 (/opt/rustwide/workdir/optimistic_lock)
[INFO] [stderr]    Compiling clientv2 v0.1.0 (/opt/rustwide/workdir/clientv2)
[INFO] [stderr]    Compiling clientv1 v0.1.0 (/opt/rustwide/workdir/clientv1)
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Database`, and `DropCollectionOptions`
[INFO] [stdout]  --> clientv1/src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bson::{doc, from_document, to_document, Bson, Document},
[INFO] [stdout]   |                                             ^^^^
[INFO] [stdout] 4 |     options::{ClientOptions, DropCollectionOptions, StreamAddress, UpdateModifications},
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     Client, Collection, Database,
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv1/src/main.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 10 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> clientv2_lock/src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stdout]  --> clientv2_lock/src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bson::{doc, Bson, Document},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^
[INFO] [stdout] 4 |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     options::{
[INFO] [stdout] 6 |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Client, ClientSession, Collection, Database,
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv2_lock/src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> optimistic_lock/src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stdout]   --> optimistic_lock/src/main.rs:3:17
[INFO] [stdout]    |
[INFO] [stdout] 3  |     bson::{doc, Bson, Document},
[INFO] [stdout]    |                 ^^^^  ^^^^^^^^
[INFO] [stdout] 4  |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5  |     options::{
[INFO] [stdout] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Client, ClientSession, Collection, Database,
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> optimistic_lock/src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 16 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bson`, `Collection`, `Database`, `Document`, and `DropCollectionOptions`
[INFO] [stdout]   --> clientv2/src/main.rs:3:17
[INFO] [stdout]    |
[INFO] [stdout] 3  |     bson::{doc, Bson, Document},
[INFO] [stdout]    |                 ^^^^  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, FindOneAndUpdateOptions,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Client, ClientSession, Collection, Database, IndexModel,
[INFO] [stdout]    |                            ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stdout]   --> clientv2/src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     de::{DeserializeOwned, Error},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> clientv2_lock/src/main.rs:56:60
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .find_one_with_session(Some(doc! {"id":"user_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> clientv2_lock/src/main.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 doc! {"id" : user_id.clone()},
[INFO] [stdout]    |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> optimistic_lock/src/main.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> optimistic_lock/src/main.rs:80:60
[INFO] [stdout]    |
[INFO] [stdout] 80 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> optimistic_lock/src/main.rs:106:60
[INFO] [stdout]     |
[INFO] [stdout] 106 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stdout]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> optimistic_lock/src/main.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 {"id" : book_id.clone()},
[INFO] [stdout]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.2.2, bson v2.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "28e5eac1fb35fdfbdbb7790c98abdfe5e205cb1aa2371cb3e0e915281005f897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e5eac1fb35fdfbdbb7790c98abdfe5e205cb1aa2371cb3e0e915281005f897", kill_on_drop: false }`
[INFO] [stdout] 28e5eac1fb35fdfbdbb7790c98abdfe5e205cb1aa2371cb3e0e915281005f897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64d0b7f79f84f4d62f6f3924ba5a8126e9b2f44ee710ce70046b8ef331e7bb5c
[INFO] running `Command { std: "docker" "start" "-a" "64d0b7f79f84f4d62f6f3924ba5a8126e9b2f44ee710ce70046b8ef331e7bb5c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> optimistic_lock/src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use anyhow::{anyhow, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stderr]   --> optimistic_lock/src/main.rs:3:17
[INFO] [stderr]    |
[INFO] [stderr] 3  |     bson::{doc, Bson, Document},
[INFO] [stderr]    |                 ^^^^  ^^^^^^^^
[INFO] [stderr] 4  |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5  |     options::{
[INFO] [stderr] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     Client, ClientSession, Collection, Database,
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stderr]   --> optimistic_lock/src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |     de::{DeserializeOwned, Error},
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 16 |     Deserialize, Deserializer, Serialize,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> optimistic_lock/src/main.rs:58:60
[INFO] [stderr]    |
[INFO] [stderr] 58 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stderr]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> optimistic_lock/src/main.rs:80:60
[INFO] [stderr]    |
[INFO] [stderr] 80 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stderr]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> optimistic_lock/src/main.rs:106:60
[INFO] [stderr]     |
[INFO] [stderr] 106 |             .find_one_with_session(Some(doc! {"id":"book_1".clone()}), None, &mut session)
[INFO] [stderr]     |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> optimistic_lock/src/main.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 {"id" : book_id.clone()},
[INFO] [stderr]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> clientv2_lock/src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use anyhow::{anyhow, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bson`, `Collection`, `Document`, `DropCollectionOptions`, and `TRANSIENT_TRANSACTION_ERROR`
[INFO] [stderr]  --> clientv2_lock/src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     bson::{doc, Bson, Document},
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^
[INFO] [stderr] 4 |     error::{Result as TxResult, TRANSIENT_TRANSACTION_ERROR, UNKNOWN_TRANSACTION_COMMIT_RESULT},
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     options::{
[INFO] [stderr] 6 |         Acknowledgment, ClientOptions, DropCollectionOptions, ReadConcern, ServerAddress,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Client, ClientSession, Collection, Database,
[INFO] [stderr]   |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stderr]   --> clientv2_lock/src/main.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |     de::{DeserializeOwned, Error},
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> clientv2_lock/src/main.rs:56:60
[INFO] [stderr]    |
[INFO] [stderr] 56 |             .find_one_with_session(Some(doc! {"id":"user_1".clone()}), None, &mut session)
[INFO] [stderr]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> clientv2_lock/src/main.rs:97:37
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 doc! {"id" : user_id.clone()},
[INFO] [stderr]    |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bson`, `Collection`, `Database`, `Document`, and `DropCollectionOptions`
[INFO] [stderr]   --> clientv2/src/main.rs:3:17
[INFO] [stderr]    |
[INFO] [stderr] 3  |     bson::{doc, Bson, Document},
[INFO] [stderr]    |                 ^^^^  ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 6  |         Acknowledgment, ClientOptions, DropCollectionOptions, FindOneAndUpdateOptions,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     Client, ClientSession, Collection, Database, IndexModel,
[INFO] [stderr]    |                            ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stderr]   --> clientv2/src/main.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |     de::{DeserializeOwned, Error},
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 15 |     Deserialize, Deserializer, Serialize,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `optimistic_lock` (bin "optimistic_lock" test) generated 7 warnings (run `cargo fix --bin "optimistic_lock" --tests` to apply 7 suggestions)
[INFO] [stderr] warning: `clientv2_lock` (bin "clientv2_lock" test) generated 5 warnings (run `cargo fix --bin "clientv2_lock" --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `clientv2` (bin "clientv2" test) generated 2 warnings (run `cargo fix --bin "clientv2" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `Bson`, `Collection`, `Database`, and `DropCollectionOptions`
[INFO] [stderr]  --> clientv1/src/main.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 |     bson::{doc, from_document, to_document, Bson, Document},
[INFO] [stderr]   |                                             ^^^^
[INFO] [stderr] 4 |     options::{ClientOptions, DropCollectionOptions, StreamAddress, UpdateModifications},
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     Client, Collection, Database,
[INFO] [stderr]   |             ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserializer`, and `Error`
[INFO] [stderr]   --> clientv1/src/main.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  |     de::{DeserializeOwned, Error},
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 10 |     Deserialize, Deserializer, Serialize,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `clientv1` (bin "clientv1" test) generated 2 warnings (run `cargo fix --bin "clientv1" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.2.2, bson v2.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clientv1-a7196296a2952b15)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clientv2-79fbf1f1459fa3b4)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clientv2_lock-2d94ea0054ea2a35)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/optimistic_lock-d441cbe0c19798f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64d0b7f79f84f4d62f6f3924ba5a8126e9b2f44ee710ce70046b8ef331e7bb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d0b7f79f84f4d62f6f3924ba5a8126e9b2f44ee710ce70046b8ef331e7bb5c", kill_on_drop: false }`
[INFO] [stdout] 64d0b7f79f84f4d62f6f3924ba5a8126e9b2f44ee710ce70046b8ef331e7bb5c
