[INFO] cloning repository https://github.com/tracymedcalf/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tracymedcalf/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftracymedcalf%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftracymedcalf%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1554d15dda145a716faa1f8b3753da407e865d
[INFO] testing tracymedcalf/lox-interpreter against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftracymedcalf%2Flox-interpreter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tracymedcalf/lox-interpreter on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tracymedcalf/lox-interpreter
[INFO] finished tweaking git repo https://github.com/tracymedcalf/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/tracymedcalf/lox-interpreter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tracymedcalf/lox-interpreter 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ad346d04f7766b00338eecc035dfacd2d8557ef972469b820dbcfd7008ad7c
[INFO] running `Command { std: "docker" "start" "-a" "c9ad346d04f7766b00338eecc035dfacd2d8557ef972469b820dbcfd7008ad7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ad346d04f7766b00338eecc035dfacd2d8557ef972469b820dbcfd7008ad7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ad346d04f7766b00338eecc035dfacd2d8557ef972469b820dbcfd7008ad7c", kill_on_drop: false }`
[INFO] [stdout] c9ad346d04f7766b00338eecc035dfacd2d8557ef972469b820dbcfd7008ad7c
[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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60e96a36e726ff51afb571b58563711bed40e5237d974d4330899239d01533ce
[INFO] running `Command { std: "docker" "start" "-a" "60e96a36e726ff51afb571b58563711bed40e5237d974d4330899239d01533ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]   --> src/interpreter.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn finish_class(&mut self, class: ClassStruct) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]    --> src/interpreter.rs:372:30
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn call_class(&mut self, call: &Call, class: &IClass, closing_paren: &Token) -> InterpResult {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `closing_paren`
[INFO] [stdout]    --> src/interpreter.rs:372:59
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn call_class(&mut self, call: &Call, class: &IClass, closing_paren: &Token) -> InterpResult {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closing_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/ast.rs:295:12
[INFO] [stdout]     |
[INFO] [stdout] 294 | impl Ast {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] 295 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` (bin "lox"); 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/bin/rustc --crate-name lox --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=27fb08e06a92a9d7 -C extra-filename=-5631b2ad8d231b2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-019dc3e6fa39a754.rlib --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "60e96a36e726ff51afb571b58563711bed40e5237d974d4330899239d01533ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e96a36e726ff51afb571b58563711bed40e5237d974d4330899239d01533ce", kill_on_drop: false }`
[INFO] [stdout] 60e96a36e726ff51afb571b58563711bed40e5237d974d4330899239d01533ce