[INFO] cloning repository https://github.com/UmerMIB/rust-mongodb-CRUD-API
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UmerMIB/rust-mongodb-CRUD-API" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmerMIB%2Frust-mongodb-CRUD-API", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmerMIB%2Frust-mongodb-CRUD-API'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e367bd0d0585b6707c632e8c281d7f9e6b684488
[INFO] checking UmerMIB/rust-mongodb-CRUD-API against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmerMIB%2Frust-mongodb-CRUD-API" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UmerMIB/rust-mongodb-CRUD-API on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UmerMIB/rust-mongodb-CRUD-API
[INFO] finished tweaking git repo https://github.com/UmerMIB/rust-mongodb-CRUD-API
[INFO] tweaked toml for git repo https://github.com/UmerMIB/rust-mongodb-CRUD-API written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/UmerMIB/rust-mongodb-CRUD-API already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.30
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[INFO] [stdout] 2be4e176bd559a2123b02a1dde3a0c9635ff555b4e94c3b02f9fe7dba15fae6c
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[INFO] running `Command { std: "docker" "start" "-a" "2be4e176bd559a2123b02a1dde3a0c9635ff555b4e94c3b02f9fe7dba15fae6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be4e176bd559a2123b02a1dde3a0c9635ff555b4e94c3b02f9fe7dba15fae6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be4e176bd559a2123b02a1dde3a0c9635ff555b4e94c3b02f9fe7dba15fae6c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c31c8da3f3886ad2bf5583d72df0d7d389a2a2a314094c8b20437011f20fbb2a
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[INFO] running `Command { std: "docker" "start" "-a" "c31c8da3f3886ad2bf5583d72df0d7d389a2a2a314094c8b20437011f20fbb2a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `options::ClientOptions`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mongodb::{options::ClientOptions, Client};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `options::ClientOptions`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mongodb::{options::ClientOptions, Client};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     db.find_one_and_replace(filter,replacement,None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |      db.delete_one(query,None);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     db.find_one_and_replace(filter,replacement,None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |      db.delete_one(query,None);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "c31c8da3f3886ad2bf5583d72df0d7d389a2a2a314094c8b20437011f20fbb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31c8da3f3886ad2bf5583d72df0d7d389a2a2a314094c8b20437011f20fbb2a", kill_on_drop: false }`
[INFO] [stdout] c31c8da3f3886ad2bf5583d72df0d7d389a2a2a314094c8b20437011f20fbb2a
