[INFO] cloning repository https://github.com/bl0rch1d/library_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bl0rch1d/library_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbl0rch1d%2Flibrary_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbl0rch1d%2Flibrary_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32f4d61e64e709c14bfa977b94b34b9fff819638 [INFO] checking bl0rch1d/library_rust against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbl0rch1d%2Flibrary_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bl0rch1d/library_rust [INFO] finished tweaking git repo https://github.com/bl0rch1d/library_rust [INFO] tweaked toml for git repo https://github.com/bl0rch1d/library_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bl0rch1d/library_rust on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bl0rch1d/library_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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05f1bd12be72bd29d4f9c2144e04d5a9e2389a0c6c587f00bd9d25208144852a [INFO] running `Command { std: "docker" "start" "-a" "05f1bd12be72bd29d4f9c2144e04d5a9e2389a0c6c587f00bd9d25208144852a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05f1bd12be72bd29d4f9c2144e04d5a9e2389a0c6c587f00bd9d25208144852a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05f1bd12be72bd29d4f9c2144e04d5a9e2389a0c6c587f00bd9d25208144852a", kill_on_drop: false }` [INFO] [stdout] 05f1bd12be72bd29d4f9c2144e04d5a9e2389a0c6c587f00bd9d25208144852a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 950f4ffebebf70e6f4e88dda0ff480860a3d795061fc5bc01ba579fdf471c4d0 [INFO] running `Command { std: "docker" "start" "-a" "950f4ffebebf70e6f4e88dda0ff480860a3d795061fc5bc01ba579fdf471c4d0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking library_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `library::Entity` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use library::Entity; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `library::Entity` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use library::Entity; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NAME_LENGTH` is never used [INFO] [stdout] --> src/author.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const NAME_LENGTH: usize = 20; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BIO_LENGTH` is never used [INFO] [stdout] --> src/author.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const BIO_LENGTH: usize = 140; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/author.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Author { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 7 | pub fn new(name: String, bio: String) -> Author { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn validate(name: &String, bio: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TITLE_LENGTH` is never used [INFO] [stdout] --> src/book.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const TITLE_LENGTH: usize = 50; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/book.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Book { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 6 | pub fn new(title: String, author: &Author) -> Book { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn validate(title: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NAME_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const NAME_LENGTH: usize = 20; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EMAIL_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const EMAIL_LENGTH: usize = 50; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `COMMON_STRING_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const COMMON_STRING_LENGTH: usize = 60; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/reader.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Reader { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(name: String, email: String, city: String, street: String, house: String) -> Reader { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn validate(name: &String, email: &String, city: &String, street: &String, house: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `to_s` are never used [INFO] [stdout] --> src/order.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl Order { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 4 | pub fn new(book: &Book, reader: &Reader, date: String) -> Order { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Entity` is never used [INFO] [stdout] --> src/library.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Entity<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_entity` is never used [INFO] [stdout] --> src/library.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Library { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn add_entity(&mut self, entity: Entity) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `save_data` is never used [INFO] [stdout] --> src/storage.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait Storage { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 9 | fn save_data(&self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | library.load_data(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = library.load_data(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/storage.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | serde_yaml::to_writer(file, self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = serde_yaml::to_writer(file, self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NAME_LENGTH` is never used [INFO] [stdout] --> src/author.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const NAME_LENGTH: usize = 20; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BIO_LENGTH` is never used [INFO] [stdout] --> src/author.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const BIO_LENGTH: usize = 140; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/author.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Author { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 7 | pub fn new(name: String, bio: String) -> Author { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn validate(name: &String, bio: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TITLE_LENGTH` is never used [INFO] [stdout] --> src/book.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const TITLE_LENGTH: usize = 50; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/book.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Book { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 6 | pub fn new(title: String, author: &Author) -> Book { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn validate(title: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NAME_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const NAME_LENGTH: usize = 20; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EMAIL_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const EMAIL_LENGTH: usize = 50; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `COMMON_STRING_LENGTH` is never used [INFO] [stdout] --> src/reader.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const COMMON_STRING_LENGTH: usize = 60; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_s`, and `validate` are never used [INFO] [stdout] --> src/reader.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Reader { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(name: String, email: String, city: String, street: String, house: String) -> Reader { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn validate(name: &String, email: &String, city: &String, street: &String, house: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `to_s` are never used [INFO] [stdout] --> src/order.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl Order { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 4 | pub fn new(book: &Book, reader: &Reader, date: String) -> Order { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn to_s(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Entity` is never used [INFO] [stdout] --> src/library.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Entity<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_entity` is never used [INFO] [stdout] --> src/library.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Library { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn add_entity(&mut self, entity: Entity) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `save_data` is never used [INFO] [stdout] --> src/storage.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait Storage { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 9 | fn save_data(&self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | library.load_data(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = library.load_data(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/storage.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | serde_yaml::to_writer(file, self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = serde_yaml::to_writer(file, self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.60s [INFO] running `Command { std: "docker" "inspect" "950f4ffebebf70e6f4e88dda0ff480860a3d795061fc5bc01ba579fdf471c4d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "950f4ffebebf70e6f4e88dda0ff480860a3d795061fc5bc01ba579fdf471c4d0", kill_on_drop: false }` [INFO] [stdout] 950f4ffebebf70e6f4e88dda0ff480860a3d795061fc5bc01ba579fdf471c4d0