[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] building tacogips/mongodb_rust_practice against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacogips%2Fmongodb_rust_practice" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tacogips/mongodb_rust_practice on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded md-5 v0.8.0
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded pin-project-internal v1.0.6
[INFO] [stderr]   Downloaded bson v1.2.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded tracing v0.1.25
[INFO] [stderr]   Downloaded mongodb v2.0.0
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded mongodb v1.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded bson v2.0.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.1
[INFO] [stderr]   Downloaded darling_core v0.12.3
[INFO] [stderr]   Downloaded typed-builder v0.4.1
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded tokio-util v0.6.6
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded typed-builder v0.9.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded pbkdf2 v0.8.0
[INFO] [stderr]   Downloaded darling v0.12.3
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded async-trait v0.1.49
[INFO] [stderr]   Downloaded pin-project v1.0.6
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.23
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded darling_macro v0.12.3
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded httparse v1.3.6
[INFO] [stderr]   Downloaded os_info v3.0.2
[INFO] [stderr]   Downloaded serde_with v1.8.0
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b81fcfa84c2d8cbe086957ad583674de4a2f9f267975e7cb1cbdcb386fe039ac
[INFO] running `Command { std: "docker" "start" "-a" "b81fcfa84c2d8cbe086957ad583674de4a2f9f267975e7cb1cbdcb386fe039ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b81fcfa84c2d8cbe086957ad583674de4a2f9f267975e7cb1cbdcb386fe039ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81fcfa84c2d8cbe086957ad583674de4a2f9f267975e7cb1cbdcb386fe039ac", kill_on_drop: false }`
[INFO] [stdout] b81fcfa84c2d8cbe086957ad583674de4a2f9f267975e7cb1cbdcb386fe039ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 089298a90d7dec176557a1cd379a4871fede6da883e238425e004933cdaeb158
[INFO] running `Command { std: "docker" "start" "-a" "089298a90d7dec176557a1cd379a4871fede6da883e238425e004933cdaeb158", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.49
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling os_info v3.0.2
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.12.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling typed-builder v0.4.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.12.3
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling darling v0.12.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling serde_with_macros v1.4.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling trust-dns-proto v0.20.1
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling trust-dns-proto v0.19.7
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_with v1.8.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.20.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.7
[INFO] [stderr]    Compiling bson v2.0.0
[INFO] [stderr]    Compiling bson v1.2.2
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling mongodb v2.0.0
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling mongodb v1.2.1
[INFO] [stderr]    Compiling optimistic_lock v0.1.0 (/opt/rustwide/workdir/optimistic_lock)
[INFO] [stderr]    Compiling clientv2_lock v0.1.0 (/opt/rustwide/workdir/clientv2_lock)
[INFO] [stderr]    Compiling clientv2 v0.1.0 (/opt/rustwide/workdir/clientv2)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]    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)]` (part of `#[warn(unused)]`) 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 44s
[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, mongodb v1.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "089298a90d7dec176557a1cd379a4871fede6da883e238425e004933cdaeb158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089298a90d7dec176557a1cd379a4871fede6da883e238425e004933cdaeb158", kill_on_drop: false }`
[INFO] [stdout] 089298a90d7dec176557a1cd379a4871fede6da883e238425e004933cdaeb158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82cbb166648862f5817bedf74060211af8889e02de2d5707a6ffe8c8c93b487
[INFO] running `Command { std: "docker" "start" "-a" "c82cbb166648862f5817bedf74060211af8889e02de2d5707a6ffe8c8c93b487", 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 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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: 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 1.95s
[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, mongodb v1.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "c82cbb166648862f5817bedf74060211af8889e02de2d5707a6ffe8c8c93b487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82cbb166648862f5817bedf74060211af8889e02de2d5707a6ffe8c8c93b487", kill_on_drop: false }`
[INFO] [stdout] c82cbb166648862f5817bedf74060211af8889e02de2d5707a6ffe8c8c93b487
