[INFO] cloning repository https://github.com/wvanlit/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wvanlit/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0d0d3c23c9d97fb45da7396cb0e96646da17965
[INFO] checking wvanlit/rust-monkey against master#4457658f68b5c165cd76d24b8147a8f77b9f660e for pr-107620
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-monkey" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wvanlit/rust-monkey on toolchain 4457658f68b5c165cd76d24b8147a8f77b9f660e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wvanlit/rust-monkey
[INFO] finished tweaking git repo https://github.com/wvanlit/rust-monkey
[INFO] tweaked toml for git repo https://github.com/wvanlit/rust-monkey written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wvanlit/rust-monkey 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" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb54f779aefc42dd0cc4483d04f55bb968973ec8eff81393006f4957475b145
[INFO] running `Command { std: "docker" "start" "-a" "1fb54f779aefc42dd0cc4483d04f55bb968973ec8eff81393006f4957475b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb54f779aefc42dd0cc4483d04f55bb968973ec8eff81393006f4957475b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb54f779aefc42dd0cc4483d04f55bb968973ec8eff81393006f4957475b145", kill_on_drop: false }`
[INFO] [stdout] 1fb54f779aefc42dd0cc4483d04f55bb968973ec8eff81393006f4957475b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb20a56134716be64177b1798459b56d8f57dee1bcead4c29b5eb0c426fcf6c2
[INFO] running `Command { std: "docker" "start" "-a" "fb20a56134716be64177b1798459b56d8f57dee1bcead4c29b5eb0c426fcf6c2", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey_interpreter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/monkey_interpreter-f8de32317d0a5b0a/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `program_to_string` is never used
[INFO] [stdout]  --> src/parser/ast.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn program_to_string(program: &Program) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey_interpreter` (bin "monkey_interpreter"); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fb20a56134716be64177b1798459b56d8f57dee1bcead4c29b5eb0c426fcf6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb20a56134716be64177b1798459b56d8f57dee1bcead4c29b5eb0c426fcf6c2", kill_on_drop: false }`
[INFO] [stdout] fb20a56134716be64177b1798459b56d8f57dee1bcead4c29b5eb0c426fcf6c2