[INFO] updating cached repository https://github.com/JosephSullivan256/Rust-Rewriting-System
[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] a61af9ba72738714469d5c8d459544374b7008a3
[INFO] testing JosephSullivan256/Rust-Rewriting-System against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephSullivan256%2FRust-Rewriting-System" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephSullivan256/Rust-Rewriting-System on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JosephSullivan256/Rust-Rewriting-System
[INFO] finished tweaking git repo https://github.com/JosephSullivan256/Rust-Rewriting-System
[INFO] tweaked toml for git repo https://github.com/JosephSullivan256/Rust-Rewriting-System written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephSullivan256/Rust-Rewriting-System already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] f83f5a8d59449d86e7c5fec3d3fcd3f3af89ef01078db33e91883a5032361a09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f83f5a8d59449d86e7c5fec3d3fcd3f3af89ef01078db33e91883a5032361a09"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let rules = vec![
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_regex`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverted`
[INFO] [stderr]   --> src/property.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `natural_numbers`
[INFO] [stderr]   --> src/main.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `"docker" "inspect" "f83f5a8d59449d86e7c5fec3d3fcd3f3af89ef01078db33e91883a5032361a09"`
[INFO] running `"docker" "rm" "-f" "f83f5a8d59449d86e7c5fec3d3fcd3f3af89ef01078db33e91883a5032361a09"`
[INFO] [stdout] f83f5a8d59449d86e7c5fec3d3fcd3f3af89ef01078db33e91883a5032361a09
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 460d8b640ac89241dd0ccecc45b05c3560ff630a2fb7289557b35ad3ded730e9
[INFO] running `"docker" "start" "-a" "460d8b640ac89241dd0ccecc45b05c3560ff630a2fb7289557b35ad3ded730e9"`
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let rules = vec![
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_regex`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverted`
[INFO] [stderr]   --> src/property.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `natural_numbers`
[INFO] [stderr]   --> src/main.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "460d8b640ac89241dd0ccecc45b05c3560ff630a2fb7289557b35ad3ded730e9"`
[INFO] running `"docker" "rm" "-f" "460d8b640ac89241dd0ccecc45b05c3560ff630a2fb7289557b35ad3ded730e9"`
[INFO] [stdout] 460d8b640ac89241dd0ccecc45b05c3560ff630a2fb7289557b35ad3ded730e9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1231b98b2463bde78ef16537481b5d4b86e061535a692493336b9d6dd445eea9
[INFO] running `"docker" "start" "-a" "1231b98b2463bde78ef16537481b5d4b86e061535a692493336b9d6dd445eea9"`
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 66 |     let rules = vec![
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_regex`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverted`
[INFO] [stderr]   --> src/property.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `natural_numbers`
[INFO] [stderr]   --> src/main.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lexer-4e7c9d01884754ce
[INFO] running `"docker" "inspect" "1231b98b2463bde78ef16537481b5d4b86e061535a692493336b9d6dd445eea9"`
[INFO] running `"docker" "rm" "-f" "1231b98b2463bde78ef16537481b5d4b86e061535a692493336b9d6dd445eea9"`
[INFO] [stdout] 1231b98b2463bde78ef16537481b5d4b86e061535a692493336b9d6dd445eea9