[INFO] cloning repository https://github.com/LadySerena/book-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LadySerena/book-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLadySerena%2Fbook-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLadySerena%2Fbook-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90736849582f9c744a9444317fa67e59439e7f45
[INFO] checking LadySerena/book-list against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLadySerena%2Fbook-list" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LadySerena/book-list
[INFO] finished tweaking git repo https://github.com/LadySerena/book-list
[INFO] tweaked toml for git repo https://github.com/LadySerena/book-list written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LadySerena/book-list on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LadySerena/book-list 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded serde_fmt v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded async-lock v2.5.0
[INFO] [stderr]   Downloaded erased-serde v0.3.20
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.6
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.31
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded event-listener v2.5.2
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded r2d2_postgres v0.18.1
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.10.0
[INFO] [stderr]   Downloaded md-5 v0.10.1
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]   Downloaded postgres-types v0.2.3
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded r2d2 v0.8.9
[INFO] [stderr]   Downloaded tracing-core v0.1.27
[INFO] [stderr]   Downloaded pin-project v1.0.10
[INFO] [stderr]   Downloaded tokio-postgres v0.7.6
[INFO] [stderr]   Downloaded prometheus v0.13.1
[INFO] [stderr]   Downloaded opentelemetry v0.17.0
[INFO] [stderr]   Downloaded protobuf v2.27.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded async-h1 v2.3.3
[INFO] [stderr]   Downloaded http-client v6.5.2
[INFO] [stderr]   Downloaded async-task v4.2.0
[INFO] [stderr]   Downloaded async-process v1.4.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.24
[INFO] [stderr]   Downloaded polling v2.2.0
[INFO] [stderr]   Downloaded async-io v1.7.0
[INFO] [stderr]   Downloaded async-global-executor v2.1.0
[INFO] [stderr]   Downloaded postgres-protocol v0.6.4
[INFO] [stderr]   Downloaded postgres v0.19.3
[INFO] [stderr]   Downloaded pin-project-internal v1.0.10
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded femme v2.2.1
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394ba5ec4c5c065b46cc4db25e8c4267dfe6556c48f5908a848ec511e032f06a
[INFO] running `Command { std: "docker" "start" "-a" "394ba5ec4c5c065b46cc4db25e8c4267dfe6556c48f5908a848ec511e032f06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394ba5ec4c5c065b46cc4db25e8c4267dfe6556c48f5908a848ec511e032f06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394ba5ec4c5c065b46cc4db25e8c4267dfe6556c48f5908a848ec511e032f06a", kill_on_drop: false }`
[INFO] [stdout] 394ba5ec4c5c065b46cc4db25e8c4267dfe6556c48f5908a848ec511e032f06a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6deda4c24f476ff80cb853a45b6f2a0a3120a538248dc8d5c6decaf8690fffde
[INFO] running `Command { std: "docker" "start" "-a" "6deda4c24f476ff80cb853a45b6f2a0a3120a538248dc8d5c6decaf8690fffde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling erased-serde v0.3.20
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking postgres-protocol v0.6.4
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling prometheus v0.13.1
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]     Checking serde_fmt v1.0.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking postgres-types v0.2.3
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking femme v2.2.1
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking async-io v1.7.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking async-global-executor v2.1.0
[INFO] [stderr]     Checking async-process v1.4.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking async-sse v4.1.0
[INFO] [stderr]     Checking http-client v6.5.2
[INFO] [stderr]     Checking async-h1 v2.3.3
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tide v0.16.0
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stderr]     Checking tokio-postgres v0.7.6
[INFO] [stderr]     Checking opentelemetry-prometheus v0.10.0
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]     Checking postgres v0.19.3
[INFO] [stderr]     Checking r2d2_postgres v0.18.1
[INFO] [stderr]     Checking book-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `postgres::NoTls`
[INFO] [stdout]  --> src/service.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use postgres::NoTls;
[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: `r2d2_postgres::PostgresConnectionManager`
[INFO] [stdout]  --> src/service.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use r2d2_postgres::PostgresConnectionManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error` and `PooledConnection`
[INFO] [stdout]  --> src/service.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use r2d2_postgres::r2d2::{Error, PooledConnection};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> src/service.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `postgres::NoTls`
[INFO] [stdout]  --> src/service.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use postgres::NoTls;
[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: `r2d2_postgres::PostgresConnectionManager`
[INFO] [stdout]  --> src/service.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use r2d2_postgres::PostgresConnectionManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error` and `PooledConnection`
[INFO] [stdout]  --> src/service.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use r2d2_postgres::r2d2::{Error, PooledConnection};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> src/service.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warn`, `Error`, and `Fatal` are never constructed
[INFO] [stdout]   --> src/log.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum LogLevel {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Warn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Fatal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogLevel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `warn`, `error`, and `fatal` are never used
[INFO] [stdout]   --> src/log.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Logger {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn warn(&self, body: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn error(&self, body: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn fatal(&self, body: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_models.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Book {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(title: String, authors: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> src/data_models.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Entry {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_models.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Entry {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn new(book: Book, medium: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warn`, `Error`, and `Fatal` are never constructed
[INFO] [stdout]   --> src/log.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum LogLevel {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Warn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Fatal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogLevel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `warn`, `error`, and `fatal` are never used
[INFO] [stdout]   --> src/log.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Logger {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn warn(&self, body: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn error(&self, body: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn fatal(&self, body: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_models.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Book {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(title: String, authors: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> src/data_models.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Entry {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_models.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Entry {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn new(book: Book, medium: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "6deda4c24f476ff80cb853a45b6f2a0a3120a538248dc8d5c6decaf8690fffde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6deda4c24f476ff80cb853a45b6f2a0a3120a538248dc8d5c6decaf8690fffde", kill_on_drop: false }`
[INFO] [stdout] 6deda4c24f476ff80cb853a45b6f2a0a3120a538248dc8d5c6decaf8690fffde
