[INFO] cloning repository https://github.com/jackhamilton/mechanical-junior
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackhamilton/mechanical-junior" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fmechanical-junior", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fmechanical-junior'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397621690a27f1a200fdf3132fae8b8e53e04963
[INFO] checking jackhamilton/mechanical-junior against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fmechanical-junior" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackhamilton/mechanical-junior
[INFO] finished tweaking git repo https://github.com/jackhamilton/mechanical-junior
[INFO] tweaked toml for git repo https://github.com/jackhamilton/mechanical-junior written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackhamilton/mechanical-junior on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackhamilton/mechanical-junior 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded freezable-macros v0.3.0
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded toml-configurator v0.2.5
[INFO] [stderr]   Downloaded configurator-macros v0.1.2
[INFO] [stderr]   Downloaded freezable-trait v0.4.0
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b720f8cf7656bca2f5fc3ff06dbafd9c51d953b61e94858dfb248426f0f5726
[INFO] running `Command { std: "docker" "start" "-a" "5b720f8cf7656bca2f5fc3ff06dbafd9c51d953b61e94858dfb248426f0f5726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b720f8cf7656bca2f5fc3ff06dbafd9c51d953b61e94858dfb248426f0f5726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b720f8cf7656bca2f5fc3ff06dbafd9c51d953b61e94858dfb248426f0f5726", kill_on_drop: false }`
[INFO] [stdout] 5b720f8cf7656bca2f5fc3ff06dbafd9c51d953b61e94858dfb248426f0f5726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58962ccc9f73de075ac4170b43ebed2d15cbfe71e9c7e04d7f01724c50ccbc43
[INFO] running `Command { std: "docker" "start" "-a" "58962ccc9f73de075ac4170b43ebed2d15cbfe71e9c7e04d7f01724c50ccbc43", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking serde_spanned v1.0.2
[INFO] [stderr]     Checking toml_datetime v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking toml_writer v1.0.3
[INFO] [stderr]     Checking convert_case v0.8.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking shell-words v1.1.0
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[INFO] [stderr]     Checking toml v0.9.7
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling freezable-macros v0.3.0
[INFO] [stderr]    Compiling configurator-macros v0.1.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking freezable-trait v0.4.0
[INFO] [stderr]     Checking toml-configurator v0.2.5
[INFO] [stderr]     Checking mechanical-junior v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Match`
[INFO] [stdout]  --> src/parser/string_utils.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::{Match, Regex};
[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: `Match`
[INFO] [stdout]  --> src/parser/string_utils.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::{Match, Regex};
[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 variable: `language`
[INFO] [stdout]  --> src/parser/execute.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute_command(command: LineCommand, language: &SupportedLanguage) {
[INFO] [stdout]   |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `language`
[INFO] [stdout]  --> src/parser/execute.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute_command(command: LineCommand, language: &SupportedLanguage) {
[INFO] [stdout]   |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lang`
[INFO] [stdout]  --> src/parser/command_parser.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_insert(insert_command: &str, lang: &SupportedLanguage, definitions: &Vec<Definition>, idx: usize) -> LineCommand {
[INFO] [stdout]   |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_lang`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `definitions`
[INFO] [stdout]   --> src/parser/command_parser.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_command(insert_command: &str, definitions: &[Definition], idx: &usize) -> InsertCommand {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_definitions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lang`
[INFO] [stdout]  --> src/parser/command_parser.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_insert(insert_command: &str, lang: &SupportedLanguage, definitions: &Vec<Definition>, idx: usize) -> LineCommand {
[INFO] [stdout]   |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_lang`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `definitions`
[INFO] [stdout]   --> src/parser/command_parser.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_command(insert_command: &str, definitions: &[Definition], idx: &usize) -> InsertCommand {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_definitions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]   --> src/parser/string_utils.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 (Ok(item), opts) => (Ok(item), vec![]),
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]   --> src/parser/string_utils.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 (Err(_), opts) => {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]   --> src/parser/string_utils.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 (Ok(item), opts) => (Ok(item), vec![]),
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]   --> src/parser/string_utils.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 (Err(_), opts) => {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/parser/model.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum LineCommand {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     None
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InsertionPoint` is never used
[INFO] [stdout]    --> src/parser/model.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub enum InsertionPoint {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InsertionItem` is never used
[INFO] [stdout]    --> src/parser/model.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub enum InsertionItem {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_command_arg` is never used
[INFO] [stdout]   --> src/parser/command_parser.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_command_arg(arg: &str, definitions: &Vec<Definition>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/parser/model.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum LineCommand {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     None
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Generic` is never constructed
[INFO] [stdout]   --> src/parser/string_utils.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum FinderError{
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 23 |     Generic,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FinderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InsertionPoint` is never used
[INFO] [stdout]    --> src/parser/model.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub enum InsertionPoint {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InsertionItem` is never used
[INFO] [stdout]    --> src/parser/model.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub enum InsertionItem {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_command_arg` is never used
[INFO] [stdout]   --> src/parser/command_parser.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_command_arg(arg: &str, definitions: &Vec<Definition>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Generic` is never constructed
[INFO] [stdout]   --> src/parser/string_utils.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum FinderError{
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 23 |     Generic,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FinderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.65s
[INFO] running `Command { std: "docker" "inspect" "58962ccc9f73de075ac4170b43ebed2d15cbfe71e9c7e04d7f01724c50ccbc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58962ccc9f73de075ac4170b43ebed2d15cbfe71e9c7e04d7f01724c50ccbc43", kill_on_drop: false }`
[INFO] [stdout] 58962ccc9f73de075ac4170b43ebed2d15cbfe71e9c7e04d7f01724c50ccbc43