[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 beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLord-sarcastic%2Frust-name-generator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lord-sarcastic/rust-name-generator on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-1/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f335226dafebc68f5e1fd105b780b1a7f7a86be51f7b9e603119c3dd0008132b
[INFO] running `Command { std: "docker" "start" "-a" "f335226dafebc68f5e1fd105b780b1a7f7a86be51f7b9e603119c3dd0008132b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f335226dafebc68f5e1fd105b780b1a7f7a86be51f7b9e603119c3dd0008132b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f335226dafebc68f5e1fd105b780b1a7f7a86be51f7b9e603119c3dd0008132b", kill_on_drop: false }`
[INFO] [stdout] f335226dafebc68f5e1fd105b780b1a7f7a86be51f7b9e603119c3dd0008132b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06916ea6a117b6be1d7c3e1b36b557d60a09fb09d5c38030ecb01ce86c848490
[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" "06916ea6a117b6be1d7c3e1b36b557d60a09fb09d5c38030ecb01ce86c848490", kill_on_drop: false }`
[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: 14 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06916ea6a117b6be1d7c3e1b36b557d60a09fb09d5c38030ecb01ce86c848490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06916ea6a117b6be1d7c3e1b36b557d60a09fb09d5c38030ecb01ce86c848490", kill_on_drop: false }`
[INFO] [stdout] 06916ea6a117b6be1d7c3e1b36b557d60a09fb09d5c38030ecb01ce86c848490
