[INFO] fetching crate cdrs-tokio 8.1.2...
[INFO] checking cdrs-tokio-8.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cdrs-tokio 8.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cdrs-tokio 8.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdrs-tokio 8.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cdrs-tokio 8.1.2
[INFO] tweaked toml for crates.io crate cdrs-tokio 8.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cdrs-tokio 8.1.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded cdrs-tokio-helpers-derive v5.0.3
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded mockall v0.11.4
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[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] [stderr]   Downloaded webpki v0.22.2
[INFO] [stderr]   Downloaded atomic v0.6.0
[INFO] [stderr]   Downloaded float_eq v1.0.1
[INFO] [stderr]   Downloaded time v0.3.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2850f48d347eed16e1eec81b84afde68f9814cad897ba6c885d167b882422e4c
[INFO] running `Command { std: "docker" "start" "-a" "2850f48d347eed16e1eec81b84afde68f9814cad897ba6c885d167b882422e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2850f48d347eed16e1eec81b84afde68f9814cad897ba6c885d167b882422e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2850f48d347eed16e1eec81b84afde68f9814cad897ba6c885d167b882422e4c", kill_on_drop: false }`
[INFO] [stdout] 2850f48d347eed16e1eec81b84afde68f9814cad897ba6c885d167b882422e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b11d6b6184c6e075de534efe2aaa9e2647a2f18b15fc4c37991bae360a469c9
[INFO] running `Command { std: "docker" "start" "-a" "0b11d6b6184c6e075de534efe2aaa9e2647a2f18b15fc4c37991bae360a469c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking float_eq v1.0.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking integer-encoding v4.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking atomic v0.6.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking cassandra-protocol v3.1.1
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking cdrs-tokio v8.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]  --> src/load_balancing/random.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `thread_rng` is already imported here
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]  --> src/load_balancing/random.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `thread_rng` is already imported here
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.69s
[INFO] running `Command { std: "docker" "inspect" "0b11d6b6184c6e075de534efe2aaa9e2647a2f18b15fc4c37991bae360a469c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b11d6b6184c6e075de534efe2aaa9e2647a2f18b15fc4c37991bae360a469c9", kill_on_drop: false }`
[INFO] [stdout] 0b11d6b6184c6e075de534efe2aaa9e2647a2f18b15fc4c37991bae360a469c9
[INFO] checking cdrs-tokio-8.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate cdrs-tokio 8.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cdrs-tokio 8.1.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdrs-tokio 8.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cdrs-tokio 8.1.2
[INFO] tweaked toml for crates.io crate cdrs-tokio 8.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cdrs-tokio 8.1.2 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7912744578ad604096ae23ac1a4652fb4674cbd633638b92ca025a460e203f46
[INFO] running `Command { std: "docker" "start" "-a" "7912744578ad604096ae23ac1a4652fb4674cbd633638b92ca025a460e203f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7912744578ad604096ae23ac1a4652fb4674cbd633638b92ca025a460e203f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7912744578ad604096ae23ac1a4652fb4674cbd633638b92ca025a460e203f46", kill_on_drop: false }`
[INFO] [stdout] 7912744578ad604096ae23ac1a4652fb4674cbd633638b92ca025a460e203f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a440025cc0502344cc32841bdba05d0b6306fd6fb13d428e092cd4f63363745a
[INFO] running `Command { std: "docker" "start" "-a" "a440025cc0502344cc32841bdba05d0b6306fd6fb13d428e092cd4f63363745a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking integer-encoding v4.0.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking float_eq v1.0.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking atomic v0.6.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking cassandra-protocol v3.1.1
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking cdrs-tokio v8.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]  --> src/load_balancing/random.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `thread_rng` is already imported here
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]  --> src/load_balancing/random.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `thread_rng` is already imported here
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.14s
[INFO] running `Command { std: "docker" "inspect" "a440025cc0502344cc32841bdba05d0b6306fd6fb13d428e092cd4f63363745a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a440025cc0502344cc32841bdba05d0b6306fd6fb13d428e092cd4f63363745a", kill_on_drop: false }`
[INFO] [stdout] a440025cc0502344cc32841bdba05d0b6306fd6fb13d428e092cd4f63363745a