[INFO] cloning repository https://github.com/igorzg/data-engineering-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/igorzg/data-engineering-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figorzg%2Fdata-engineering-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figorzg%2Fdata-engineering-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb66e420d90717a3947b15c2ea19447daaf0bf3c
[INFO] checking igorzg/data-engineering-with-rust against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figorzg%2Fdata-engineering-with-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/igorzg/data-engineering-with-rust
[INFO] finished tweaking git repo https://github.com/igorzg/data-engineering-with-rust
[INFO] tweaked toml for git repo https://github.com/igorzg/data-engineering-with-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/igorzg/data-engineering-with-rust on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/igorzg/data-engineering-with-rust 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `tracing`
[INFO] [stderr]   --> Cargo.toml:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | tracing = "0.1"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `tracing`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rasciigraph v0.3.0
[INFO] [stderr]   Downloaded sponge-cursor v0.1.0
[INFO] [stderr]   Downloaded wikipedia v0.5.0
[INFO] [stderr]   Downloaded smawk v0.3.3
[INFO] [stderr]   Downloaded sha3 v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f
[INFO] running `Command { std: "docker" "start" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `tracing`
[INFO] [stderr]   --> Cargo.toml:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | tracing = "0.1"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `tracing`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking cfg-if v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
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[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
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[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking itoa v1.0.18
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[INFO] [stderr]    Compiling getrandom v0.4.3
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[INFO] [stderr]    Compiling syn v2.0.119
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[INFO] [stderr]     Checking stable_deref_trait v1.2.1
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[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libm v0.2.16
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[INFO] [stderr]     Checking aho-corasick v1.1.5
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[INFO] [stderr]    Compiling zerocopy v0.8.59
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[INFO] [stderr]    Compiling object v0.39.1
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[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking fnv v1.0.7
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[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]     Checking http-body v1.1.0
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling polars-utils v0.55.2
[INFO] [stderr]     Checking base64 v0.23.1
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[INFO] [stderr]     Checking ipnet v2.12.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking http-body-util v0.1.5
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[INFO] [stderr]    Compiling cc v1.5.1
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[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking rand v0.10.3
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking uuid v1.26.1
[INFO] [stderr]     Checking sysinfo v0.39.6
[INFO] [stderr]     Checking memmap2 v0.9.11
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking siphasher v1.0.4
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling polars-buffer v0.55.2
[INFO] [stderr]    Compiling polars-schema v0.55.2
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.55.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]     Checking ethnum v1.5.3
[INFO] [stderr]    Compiling polars-compute v0.55.2
[INFO] [stderr]     Checking debug_unsafe v0.1.4
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking atoi_simd v0.18.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking fast-float2 v0.2.4
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling encoding_rs v0.8.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling polars-core v0.55.2
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking core_detect v1.0.0
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling polars-ops v0.55.2
[INFO] [stderr]     Checking xxhash-rust v0.8.19
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling stacker v0.1.25
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling zerocopy-derive v0.8.59
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking comfy-table v7.2.2
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking streaming-decompression v0.1.2
[INFO] [stderr]    Compiling icu_locale_fallback_data v2.3.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.14
[INFO] [stderr]    Compiling polars v0.55.2
[INFO] [stderr]    Compiling icu_segmenter_data v2.3.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking glob v0.3.4
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]     Checking polars-parquet-format v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking keccak v0.2.2
[INFO] [stderr]     Checking sponge-cursor v0.1.0
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking smawk v0.3.3
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling ar_archive_writer v0.5.3
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking data-race v0.1.0 (/opt/rustwide/workdir/courses/data-race)
[INFO] [stderr]     Checking vector-fruit-salad v0.1.0 (/opt/rustwide/workdir/courses/vector-fruit-salad)
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]     Checking caesar-cipher v0.1.0 (/opt/rustwide/workdir/courses/caesar-cipher)
[INFO] [stderr]     Checking rasciigraph v0.3.0
[INFO] [stderr]     Checking challange-week2 v0.1.0 (/opt/rustwide/workdir/courses/challange-week2)
[INFO] [stderr]     Checking graph-visualize v0.1.0 (/opt/rustwide/workdir/courses/graph-visualize)
[INFO] [stderr]     Checking hybrid-array v0.4.15
[INFO] [stderr]     Checking hashset-fruit v0.1.0 (/opt/rustwide/workdir/courses/hashset-fruit)
[INFO] [stderr]     Checking binaryheap-fruit v0.1.0 (/opt/rustwide/workdir/courses/binaryheap-fruit)
[INFO] [stderr]     Checking homophonic-cipher v0.1.0 (/opt/rustwide/workdir/courses/homophonic-cipher)
[INFO] [stderr]     Checking linked-list-fruit-salad v0.1.0 (/opt/rustwide/workdir/courses/linked-list-fruit-salad)
[INFO] [stderr]     Checking btreeset-fruit v0.1.0 (/opt/rustwide/workdir/courses/btreeset-fruit)
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> courses/homophonic-cipher/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{Rng, RngExt};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> courses/homophonic-cipher/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{Rng, RngExt};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashmap-count v0.1.0 (/opt/rustwide/workdir/courses/hashmap-count)
[INFO] [stderr]     Checking mutable-fruit-salad v0.1.0 (/opt/rustwide/workdir/courses/mutable-fruit-salad)
[INFO] [stderr]     Checking challange-week4 v0.1.0 (/opt/rustwide/workdir/courses/challange-week4)
[INFO] [stderr]     Checking dining-philosopher v0.1.0 (/opt/rustwide/workdir/courses/dining-philosopher)
[INFO] [stderr]     Checking hashmap-language v0.1.0 (/opt/rustwide/workdir/courses/hashmap-language)
[INFO] [stderr]    Compiling psm v0.1.32
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.8
[INFO] [stderr]    Compiling yoke-derive v0.8.3
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling clap_derive v4.6.7
[INFO] [stderr]    Compiling bytemuck_derive v1.12.1
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]     Checking clap v4.6.7
[INFO] [stderr]     Checking decoder-ring v0.1.0 (/opt/rustwide/workdir/courses/decoder-ring)
[INFO] [stderr]     Checking cli-customize-fruit-salad v0.1.0 (/opt/rustwide/workdir/courses/cli-customize-fruit-salad)
[INFO] [stderr]     Checking sha3 v0.12.0
[INFO] [stderr]     Checking cli-salad v0.1.0 (/opt/rustwide/workdir/courses/cli-salad)
[INFO] [stderr]     Checking sha3-dupe-detector v0.1.0 (/opt/rustwide/workdir/courses/sha3-dupe-detector)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> courses/sha3-dupe-detector/src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut total_unique_duplicates = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> courses/sha3-dupe-detector/src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut total_unique_duplicates = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking challange-week1 v0.1.0 (/opt/rustwide/workdir/courses/challange-week1)
[INFO] [stderr]     Checking community-detection v0.1.0 (/opt/rustwide/workdir/courses/community-detection)
[INFO] [stderr]     Checking graph-centrality-ufc v0.1.0 (/opt/rustwide/workdir/courses/graph-centrality-ufc)
[INFO] [stderr]     Checking lisbon-shortest-path v0.1.0 (/opt/rustwide/workdir/courses/lisbon-shortest-path)
[INFO] [stdout] warning: unused import: `petgraph::prelude::*`
[INFO] [stdout]  --> courses/lisbon-shortest-path/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use petgraph::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdgeDirection`
[INFO] [stdout]  --> courses/graph-centrality-ufc/src/main.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use petgraph::{Direction, EdgeDirection};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::node_index`
[INFO] [stdout]  --> courses/community-detection/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use petgraph::graph::node_index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::prelude::*`
[INFO] [stdout]  --> courses/lisbon-shortest-path/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use petgraph::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdgeDirection`
[INFO] [stdout]  --> courses/graph-centrality-ufc/src/main.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use petgraph::{Direction, EdgeDirection};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::node_index`
[INFO] [stdout]  --> courses/community-detection/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use petgraph::graph::node_index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking polars-arrow-format v0.2.1
[INFO] [stderr]     Checking compact_str v0.9.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking icu_locale_fallback v2.3.0
[INFO] [stderr]     Checking icu_segmenter v2.3.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tokio-util v0.7.19
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking textwrap v0.16.4
[INFO] [stderr]     Checking pagerank v0.1.0 (/opt/rustwide/workdir/courses/pagerank)
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking h2 v0.4.19
[INFO] [stderr]     Checking polars-error v0.55.2
[INFO] [stderr]     Checking polars-config v0.55.2
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]     Checking polars-async v0.55.2
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]     Checking hyper v1.11.1
[INFO] [stderr]     Checking hyper-util v0.1.21
[INFO] [stderr]     Checking rustls-webpki v0.103.15
[INFO] [stderr]     Checking polars-dtype v0.55.2
[INFO] [stderr]     Checking axum v0.8.9
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking wikipedia v0.5.0
[INFO] [stderr]     Checking webcrawl-wikipedia-rayon v0.1.0 (/opt/rustwide/workdir/courses/webcrawl-wikipedia-rayon)
[INFO] [stderr]     Checking tokio-rustls v0.26.6
[INFO] [stderr]     Checking rustls-platform-verifier v0.7.1
[INFO] [stderr]     Checking hyper-rustls v0.27.10
[INFO] [stderr]     Checking reqwest v0.13.5
[INFO] [stderr]     Checking chatbot v0.1.0 (/opt/rustwide/workdir/courses/chatbot)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> courses/chatbot/src/chatbot.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> courses/chatbot/src/chatbot.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking polars-row v0.55.2
[INFO] [stderr]     Checking polars-parquet v0.55.2
[INFO] [stderr]     Checking challange-week3 v0.1.0 (/opt/rustwide/workdir/courses/challange-week3)
[INFO] [stderr]     Checking polars-time v0.55.2
[INFO] [stderr]     Checking polars-io v0.55.2
[INFO] [stderr]     Checking polarsdf v0.1.0 (/opt/rustwide/workdir/courses/polarsdf)
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> courses/binaryheap-fruit/Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | rand = "0.10.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `binaryheap-fruit` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `csv`
[INFO] [stderr]   --> courses/cli-customize-fruit-salad/Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | csv = "1.4.0"
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `csv`
[INFO] [stderr] warning: `cli-customize-fruit-salad` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> courses/pagerank/Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | rand = "0.10.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `pagerank` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `rayon`
[INFO] [stderr]   --> courses/vector-fruit-salad/Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | rayon = "1.12.0"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rayon`
[INFO] [stderr] warning: `vector-fruit-salad` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f", kill_on_drop: false }`
[INFO] [stdout] 36f4753f852bdce689676abdfef556da12dd265bd3e55af82aadf62d4223739f
