[INFO] cloning repository https://github.com/mostafahagras/Math-expression-eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mostafahagras/Math-expression-eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval/hooks/commit-msg.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/mostafahagras/Math-expression-eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mostafahagras/Math-expression-eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 633dbb27807bc54cd7f8ab1a5e67bc46baf8e5b1
[INFO] testing mostafahagras/Math-expression-eval against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmostafahagras%2FMath-expression-eval" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mostafahagras/Math-expression-eval
[INFO] finished tweaking git repo https://github.com/mostafahagras/Math-expression-eval
[INFO] tweaked toml for git repo https://github.com/mostafahagras/Math-expression-eval written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mostafahagras/Math-expression-eval on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mostafahagras/Math-expression-eval 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba8ed1bcd662cedacf60bd88e8dfa426306887a0ca91b938713027732cce963
[INFO] running `Command { std: "docker" "start" "-a" "1ba8ed1bcd662cedacf60bd88e8dfa426306887a0ca91b938713027732cce963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba8ed1bcd662cedacf60bd88e8dfa426306887a0ca91b938713027732cce963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba8ed1bcd662cedacf60bd88e8dfa426306887a0ca91b938713027732cce963", kill_on_drop: false }`
[INFO] [stdout] 1ba8ed1bcd662cedacf60bd88e8dfa426306887a0ca91b938713027732cce963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf1b130a49be38b1f54bb7eeecb98fcd472a1cf3f1be73c845d2f2924b8bf9a
[INFO] running `Command { std: "docker" "start" "-a" "7bf1b130a49be38b1f54bb7eeecb98fcd472a1cf3f1be73c845d2f2924b8bf9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling Math-expression-eval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `UnaryOp` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum AstNode {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     UnaryOp(UnaryOp, Box<AstNode>),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AstNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Positive` and `Negative` are never constructed
[INFO] [stdout]   --> src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |     Positive,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     Negative,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `consume` is never used
[INFO] [stdout]   --> src/tokenizer.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'a> Tokenizer<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn consume(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `Math-expression-eval` (bin "Math-expression-eval"); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.94.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name Math_expression_eval --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1c7b32374a59ae5b -C extra-filename=-5baf68369ccec416 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7bf1b130a49be38b1f54bb7eeecb98fcd472a1cf3f1be73c845d2f2924b8bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf1b130a49be38b1f54bb7eeecb98fcd472a1cf3f1be73c845d2f2924b8bf9a", kill_on_drop: false }`
[INFO] [stdout] 7bf1b130a49be38b1f54bb7eeecb98fcd472a1cf3f1be73c845d2f2924b8bf9a
