[INFO] cloning repository https://github.com/Gammaglobulino/parse_math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gammaglobulino/parse_math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Fparse_math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Fparse_math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 910ec48d9f0e47aee9ca48529f8084259353181a
[INFO] testing Gammaglobulino/parse_math against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Fparse_math" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gammaglobulino/parse_math on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gammaglobulino/parse_math
[INFO] finished tweaking git repo https://github.com/Gammaglobulino/parse_math
[INFO] tweaked toml for git repo https://github.com/Gammaglobulino/parse_math written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/Gammaglobulino/parse_math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c07c1f65a5dd3749c6086d5a7db084e270e06c2075ea1cba7a9956a993c625fd
[INFO] running `Command { std: "docker" "start" "-a" "c07c1f65a5dd3749c6086d5a7db084e270e06c2075ea1cba7a9956a993c625fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07c1f65a5dd3749c6086d5a7db084e270e06c2075ea1cba7a9956a993c625fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07c1f65a5dd3749c6086d5a7db084e270e06c2075ea1cba7a9956a993c625fd", kill_on_drop: false }`
[INFO] [stdout] c07c1f65a5dd3749c6086d5a7db084e270e06c2075ea1cba7a9956a993c625fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a6d7d5dc50a6f9d562289822ec86c3acda5a5c457c88519b4c8941789fac53
[INFO] running `Command { std: "docker" "start" "-a" "09a6d7d5dc50a6f9d562289822ec86c3acda5a5c457c88519b4c8941789fac53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parse_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/parsemath/parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[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: `new`
[INFO] [stdout]   --> src/parsemath/parser.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(expr: &'a str) -> Result<Self, ParseError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_token`
[INFO] [stdout]   --> src/parsemath/parser.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn get_next_token(&mut self) -> Result<(), ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnableToParse`
[INFO] [stdout]   --> src/parsemath/parser.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     UnableToParse(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parsemath/parser.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidOperator`
[INFO] [stdout]   --> src/parsemath/parser.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     InvalidOperator(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parsemath/parser.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsemath/tokenizer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(new_expr: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "09a6d7d5dc50a6f9d562289822ec86c3acda5a5c457c88519b4c8941789fac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a6d7d5dc50a6f9d562289822ec86c3acda5a5c457c88519b4c8941789fac53", kill_on_drop: false }`
[INFO] [stdout] 09a6d7d5dc50a6f9d562289822ec86c3acda5a5c457c88519b4c8941789fac53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7f5412029c996c2fc2050c1cba8360300f9f81b992bfcc72e90823e0f1c370
[INFO] running `Command { std: "docker" "start" "-a" "3c7f5412029c996c2fc2050c1cba8360300f9f81b992bfcc72e90823e0f1c370", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parse_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `UnableToParse`
[INFO] [stdout]   --> src/parsemath/parser.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     UnableToParse(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parsemath/parser.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/parse_math-d334e35fccc4b36e)
[INFO] running `Command { std: "docker" "inspect" "3c7f5412029c996c2fc2050c1cba8360300f9f81b992bfcc72e90823e0f1c370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7f5412029c996c2fc2050c1cba8360300f9f81b992bfcc72e90823e0f1c370", kill_on_drop: false }`
[INFO] [stdout] 3c7f5412029c996c2fc2050c1cba8360300f9f81b992bfcc72e90823e0f1c370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92ef7045c80c36ad4eb7b291f5d9df1613fe74432c04a18b66ab55f4a649ee61
[INFO] running `Command { std: "docker" "start" "-a" "92ef7045c80c36ad4eb7b291f5d9df1613fe74432c04a18b66ab55f4a649ee61", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `UnableToParse`
[INFO] [stderr]   --> src/parsemath/parser.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     UnableToParse(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parsemath/parser.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `parse_math` (bin "parse_math" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/parse_math-d334e35fccc4b36e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parsemath::tokenizer::tests::test_invalid_char ... ignored
[INFO] [stdout] test parsemath::parser::tests::test_get_next_token ... ok
[INFO] [stdout] test parsemath::tokenizer::tests::test_decimal_number ... ok
[INFO] [stdout] test parsemath::parser::tests::test_create_parser ... ok
[INFO] [stdout] test parsemath::tokenizer::tests::test_operator_add_sign ... ok
[INFO] [stdout] test parsemath::tokenizer::tests::test_operator_mixed_chars ... ok
[INFO] [stdout] test parsemath::tokenizer::tests::test_positive_integer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92ef7045c80c36ad4eb7b291f5d9df1613fe74432c04a18b66ab55f4a649ee61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ef7045c80c36ad4eb7b291f5d9df1613fe74432c04a18b66ab55f4a649ee61", kill_on_drop: false }`
[INFO] [stdout] 92ef7045c80c36ad4eb7b291f5d9df1613fe74432c04a18b66ab55f4a649ee61