[INFO] fetching crate rust-wc 0.3.5...
[INFO] testing rust-wc-0.3.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust-wc 0.3.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rust-wc 0.3.5
[INFO] finished tweaking crates.io crate rust-wc 0.3.5
[INFO] tweaked toml for crates.io crate rust-wc 0.3.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-wc 0.3.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-wc 0.3.5 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0297948faffb6594b2c9f895bb87b6c0e759a27c4a698b17d18c7dc5126895
[INFO] running `Command { std: "docker" "start" "-a" "ce0297948faffb6594b2c9f895bb87b6c0e759a27c4a698b17d18c7dc5126895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0297948faffb6594b2c9f895bb87b6c0e759a27c4a698b17d18c7dc5126895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0297948faffb6594b2c9f895bb87b6c0e759a27c4a698b17d18c7dc5126895", kill_on_drop: false }`
[INFO] [stdout] ce0297948faffb6594b2c9f895bb87b6c0e759a27c4a698b17d18c7dc5126895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e22b5bb49b0c4641853337271fca79578ec9c4715a3a355e8d95e6525f5604
[INFO] running `Command { std: "docker" "start" "-a" "85e22b5bb49b0c4641853337271fca79578ec9c4715a3a355e8d95e6525f5604", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling portable-atomic v0.3.18
[INFO] [stderr]    Compiling stripmargin v0.1.1
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling console v0.15.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling indicatif v0.17.2
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling is-terminal v0.4.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling prettytable-rs v0.9.0
[INFO] [stderr]    Compiling clap v4.0.29
[INFO] [stderr]    Compiling clap_complete v4.0.6
[INFO] [stderr]    Compiling rust-wc v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-wc v0.3.5 (/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/rust-wc-92b8363bdc555de6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "85e22b5bb49b0c4641853337271fca79578ec9c4715a3a355e8d95e6525f5604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e22b5bb49b0c4641853337271fca79578ec9c4715a3a355e8d95e6525f5604", kill_on_drop: false }`
[INFO] [stdout] 85e22b5bb49b0c4641853337271fca79578ec9c4715a3a355e8d95e6525f5604