[INFO] cloning repository https://github.com/JosephSullivan256/Rust-Rewriting-System
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosephSullivan256/Rust-Rewriting-System" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephSullivan256%2FRust-Rewriting-System", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephSullivan256%2FRust-Rewriting-System'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a61af9ba72738714469d5c8d459544374b7008a3
[INFO] checking JosephSullivan256/Rust-Rewriting-System against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephSullivan256%2FRust-Rewriting-System" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephSullivan256/Rust-Rewriting-System on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78719e4613cf764fa7076feca9a5738381c3d7d5e88b872a8c17ea303a03ffe5
[INFO] running `Command { std: "docker" "start" "-a" "78719e4613cf764fa7076feca9a5738381c3d7d5e88b872a8c17ea303a03ffe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78719e4613cf764fa7076feca9a5738381c3d7d5e88b872a8c17ea303a03ffe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78719e4613cf764fa7076feca9a5738381c3d7d5e88b872a8c17ea303a03ffe5", kill_on_drop: false }`
[INFO] [stdout] 78719e4613cf764fa7076feca9a5738381c3d7d5e88b872a8c17ea303a03ffe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1934cfecfd8fab18d7a9c55608bfd9e30627a70f80b93221c563b4c6ba91f486
[INFO] running `Command { std: "docker" "start" "-a" "1934cfecfd8fab18d7a9c55608bfd9e30627a70f80b93221c563b4c6ba91f486", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let rules = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `natural_numbers` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_regex` are never used
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Parser {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Parser{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverted` is never used
[INFO] [stdout]   --> src/property.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let rules = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `natural_numbers` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_regex` are never used
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Parser {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Parser{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverted` is never used
[INFO] [stdout]   --> src/property.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "1934cfecfd8fab18d7a9c55608bfd9e30627a70f80b93221c563b4c6ba91f486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1934cfecfd8fab18d7a9c55608bfd9e30627a70f80b93221c563b4c6ba91f486", kill_on_drop: false }`
[INFO] [stdout] 1934cfecfd8fab18d7a9c55608bfd9e30627a70f80b93221c563b4c6ba91f486
[INFO] checking JosephSullivan256/Rust-Rewriting-System against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephSullivan256%2FRust-Rewriting-System" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephSullivan256/Rust-Rewriting-System on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0266d078749f17782b467870296d38d6797080823be5e9b56733b973ed4fd4af
[INFO] running `Command { std: "docker" "start" "-a" "0266d078749f17782b467870296d38d6797080823be5e9b56733b973ed4fd4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0266d078749f17782b467870296d38d6797080823be5e9b56733b973ed4fd4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0266d078749f17782b467870296d38d6797080823be5e9b56733b973ed4fd4af", kill_on_drop: false }`
[INFO] [stdout] 0266d078749f17782b467870296d38d6797080823be5e9b56733b973ed4fd4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0f9b6361c3ae3b5b9a590d7204345f66b8c64e3234add326b562aee0405b559
[INFO] running `Command { std: "docker" "start" "-a" "e0f9b6361c3ae3b5b9a590d7204345f66b8c64e3234add326b562aee0405b559", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let rules = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `natural_numbers` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_regex` are never used
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Parser {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Parser{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverted` is never used
[INFO] [stdout]   --> src/property.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let rules = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `natural_numbers` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn natural_numbers(){ //equivalent to peano axioms
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_regex` are never used
[INFO] [stdout]   --> src/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Parser {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Parser{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new_with_regex(constant_regex : Regex) -> Parser{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverted` is never used
[INFO] [stdout]   --> src/property.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Property {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn inverted(&self) -> Property {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "e0f9b6361c3ae3b5b9a590d7204345f66b8c64e3234add326b562aee0405b559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f9b6361c3ae3b5b9a590d7204345f66b8c64e3234add326b562aee0405b559", kill_on_drop: false }`
[INFO] [stdout] e0f9b6361c3ae3b5b9a590d7204345f66b8c64e3234add326b562aee0405b559