[INFO] cloning repository https://github.com/Lord-sarcastic/rust-name-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lord-sarcastic/rust-name-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLord-sarcastic%2Frust-name-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLord-sarcastic%2Frust-name-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 353287b823585811e9a671c3bac2303bf1e4429f [INFO] checking Lord-sarcastic/rust-name-generator against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLord-sarcastic%2Frust-name-generator" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lord-sarcastic/rust-name-generator on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lord-sarcastic/rust-name-generator [INFO] finished tweaking git repo https://github.com/Lord-sarcastic/rust-name-generator [INFO] tweaked toml for git repo https://github.com/Lord-sarcastic/rust-name-generator written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Lord-sarcastic/rust-name-generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef05063d82dd4c19a18c92b75cb4432c04ec540079015be4167e9626c72ed06b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ef05063d82dd4c19a18c92b75cb4432c04ec540079015be4167e9626c72ed06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef05063d82dd4c19a18c92b75cb4432c04ec540079015be4167e9626c72ed06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef05063d82dd4c19a18c92b75cb4432c04ec540079015be4167e9626c72ed06b", kill_on_drop: false }` [INFO] [stdout] ef05063d82dd4c19a18c92b75cb4432c04ec540079015be4167e9626c72ed06b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09c3eaf9fcf9008fd48bcebd6eb044c7af275e79b5abd6c23b51fa06e5a16d7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "09c3eaf9fcf9008fd48bcebd6eb044c7af275e79b5abd6c23b51fa06e5a16d7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking name_generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:90:15 [INFO] [stdout] | [INFO] [stdout] 90 | for (key, value) in hash_map { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | Some(i) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | if let Some(value) = hash_map.get(&preference) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:108:19 [INFO] [stdout] | [INFO] [stdout] 108 | for (key, value) in hash_map { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | let mut format = String::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | let format = String::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init_position` [INFO] [stdout] --> src/main.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let init_position: usize = i; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_position` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | let mut format = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pattern` [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Pattern { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `deconstruct` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn deconstruct(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display` [INFO] [stdout] --> src/main.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_state_with_dependency` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn validate_state_with_dependency(preference: &str, dependency: &str, hash_map: &HashMap<&str, bool>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_state` [INFO] [stdout] --> src/main.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn validate_state(preference: &str, hash_map: &HashMap<&str, bool>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_format` [INFO] [stdout] --> src/main.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn get_format() -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:90:15 [INFO] [stdout] | [INFO] [stdout] 90 | for (key, value) in hash_map { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | Some(i) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | if let Some(value) = hash_map.get(&preference) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:108:19 [INFO] [stdout] | [INFO] [stdout] 108 | for (key, value) in hash_map { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | let mut format = String::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | let format = String::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init_position` [INFO] [stdout] --> src/main.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let init_position: usize = i; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_position` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | let mut format = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pattern` [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Pattern { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `deconstruct` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn deconstruct(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display` [INFO] [stdout] --> src/main.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_state_with_dependency` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn validate_state_with_dependency(preference: &str, dependency: &str, hash_map: &HashMap<&str, bool>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_state` [INFO] [stdout] --> src/main.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn validate_state(preference: &str, hash_map: &HashMap<&str, bool>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_format` [INFO] [stdout] --> src/main.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn get_format() -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.63s [INFO] running `Command { std: "docker" "inspect" "09c3eaf9fcf9008fd48bcebd6eb044c7af275e79b5abd6c23b51fa06e5a16d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09c3eaf9fcf9008fd48bcebd6eb044c7af275e79b5abd6c23b51fa06e5a16d7d", kill_on_drop: false }` [INFO] [stdout] 09c3eaf9fcf9008fd48bcebd6eb044c7af275e79b5abd6c23b51fa06e5a16d7d