[INFO] fetching crate phenotyper 0.2.0...
[INFO] testing phenotyper-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate phenotyper 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate phenotyper 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate phenotyper 0.2.0
[INFO] tweaked toml for crates.io crate phenotyper 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate phenotyper 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate phenotyper 0.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ae300bfe40e12b6db78bdf3a034d6c9a1a8948cac75d54e248b22ba57c925b
[INFO] running `Command { std: "docker" "start" "-a" "f4ae300bfe40e12b6db78bdf3a034d6c9a1a8948cac75d54e248b22ba57c925b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ae300bfe40e12b6db78bdf3a034d6c9a1a8948cac75d54e248b22ba57c925b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ae300bfe40e12b6db78bdf3a034d6c9a1a8948cac75d54e248b22ba57c925b", kill_on_drop: false }`
[INFO] [stdout] f4ae300bfe40e12b6db78bdf3a034d6c9a1a8948cac75d54e248b22ba57c925b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c851daa2f8a34f2812b70bf2a1bee9ac124dce32a68ba29ba3aab474af6ce39f
[INFO] running `Command { std: "docker" "start" "-a" "c851daa2f8a34f2812b70bf2a1bee9ac124dce32a68ba29ba3aab474af6ce39f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling codesnake v0.2.1
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustemo-compiler v0.9.1
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling fancy-regex v0.13.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rustemo v0.9.1
[INFO] [stderr]    Compiling phenotyper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `phenotyper v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/phenotyper-39b861453764aa89/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Generating parser for grammar "/opt/rustwide/workdir/src/parser/phenotyper.rustemo"
[INFO] [stderr]   Parser out dir: "/opt/rustwide/target/debug/build/phenotyper-fae242733d0a23d6/out/src/parser"
[INFO] [stderr]   Terminals: 35
[INFO] [stderr]   Non-terminals: 40
[INFO] [stderr]   Productions: 83
[INFO] [stderr]   States: 126
[INFO] [stderr]   Writing actions file "/opt/rustwide/workdir/src/parser/phenotyper_actions.rs"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Rustemo grammar compilation failed:
[INFO] [stderr]   IOError: Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "c851daa2f8a34f2812b70bf2a1bee9ac124dce32a68ba29ba3aab474af6ce39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c851daa2f8a34f2812b70bf2a1bee9ac124dce32a68ba29ba3aab474af6ce39f", kill_on_drop: false }`
[INFO] [stdout] c851daa2f8a34f2812b70bf2a1bee9ac124dce32a68ba29ba3aab474af6ce39f
