[INFO] updating cached repository https://github.com/bmpotter13/random_password
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44dbf33ea00c8dc6cc242f86753578cc4692b682
[INFO] checking bmpotter13/random_password against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmpotter13%2Frandom_password" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmpotter13/random_password on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bmpotter13/random_password
[INFO] finished tweaking git repo https://github.com/bmpotter13/random_password
[INFO] tweaked toml for git repo https://github.com/bmpotter13/random_password written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bmpotter13/random_password already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18f189fd1b4d1be73813a26eba8e4934b56a14ece04212f3d92de5fbe36b0af6
[INFO] running `"docker" "start" "-a" "18f189fd1b4d1be73813a26eba8e4934b56a14ece04212f3d92de5fbe36b0af6"`
[INFO] [stderr]     Checking random_password v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `fs`, `num::ParseIntError`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fs,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 6 |     num::ParseIntError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fs`, `num::ParseIntError`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fs,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 6 |     num::ParseIntError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:125:24
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_option`
[INFO] [stderr]    --> src/main.rs:125:45
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]    --> src/main.rs:125:67
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                                                   ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:131:23
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_option`
[INFO] [stderr]    --> src/main.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]    --> src/main.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                                                  ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_dictionary`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn update_dictionary(&mut self, d: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_separator`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn update_separator(&mut self, s: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:125:24
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_option`
[INFO] [stderr]    --> src/main.rs:125:45
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]    --> src/main.rs:125:67
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn parse_dictionary<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                                                   ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:131:23
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_option`
[INFO] [stderr]    --> src/main.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_option`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]    --> src/main.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn parse_separator<I>(config: &mut Config, current_option: &str, options: &mut I) -> Result<(), String>
[INFO] [stderr]     |                                                                  ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_dictionary`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn update_dictionary(&mut self, d: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_separator`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn update_separator(&mut self, s: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "18f189fd1b4d1be73813a26eba8e4934b56a14ece04212f3d92de5fbe36b0af6"`
[INFO] running `"docker" "rm" "-f" "18f189fd1b4d1be73813a26eba8e4934b56a14ece04212f3d92de5fbe36b0af6"`
[INFO] [stdout] 18f189fd1b4d1be73813a26eba8e4934b56a14ece04212f3d92de5fbe36b0af6