[INFO] cloning repository https://github.com/glazari/mylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glazari/mylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64bd07597ef2ef79d4c75a5969574f786c10421
[INFO] testing glazari/mylang against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glazari/mylang on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glazari/mylang
[INFO] finished tweaking git repo https://github.com/glazari/mylang
[INFO] tweaked toml for git repo https://github.com/glazari/mylang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/glazari/mylang 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2cf945a50a4193bf7a69e3f3ef52f82a6920b4e77fdac9f441ba7021b1699f
[INFO] running `Command { std: "docker" "start" "-a" "dd2cf945a50a4193bf7a69e3f3ef52f82a6920b4e77fdac9f441ba7021b1699f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2cf945a50a4193bf7a69e3f3ef52f82a6920b4e77fdac9f441ba7021b1699f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2cf945a50a4193bf7a69e3f3ef52f82a6920b4e77fdac9f441ba7021b1699f", kill_on_drop: false }`
[INFO] [stdout] dd2cf945a50a4193bf7a69e3f3ef52f82a6920b4e77fdac9f441ba7021b1699f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418a0721a95f002de30951314acd1bc92386dee4aef25429def4d6460d47a570
[INFO] running `Command { std: "docker" "start" "-a" "418a0721a95f002de30951314acd1bc92386dee4aef25429def4d6460d47a570", kill_on_drop: false }`
[INFO] [stderr]    Compiling mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `fi` is never used
[INFO] [stdout]    --> src/ast.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl Statement {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 154 |     pub fn fi(&self) -> FI {
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:460:5
[INFO] [stdout]     |
[INFO] [stdout] 455 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 460 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 `mylang` (bin "mylang"); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.84.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name mylang --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)' --check-cfg 'cfg(feature, values())' -C metadata=7048114641f65076 -C extra-filename=-7048114641f65076 --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" "418a0721a95f002de30951314acd1bc92386dee4aef25429def4d6460d47a570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418a0721a95f002de30951314acd1bc92386dee4aef25429def4d6460d47a570", kill_on_drop: false }`
[INFO] [stdout] 418a0721a95f002de30951314acd1bc92386dee4aef25429def4d6460d47a570