[INFO] fetching crate zinzen 0.2.1...
[INFO] building zinzen-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate zinzen 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate zinzen 0.2.1
[INFO] finished tweaking crates.io crate zinzen 0.2.1
[INFO] tweaked toml for crates.io crate zinzen 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zinzen 0.2.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zinzen 0.2.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstream v0.6.17
[INFO] [stderr]   Downloaded iana-time-zone v0.1.58
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.2
[INFO] [stderr]   Downloaded rand_core v0.9.0-alpha.2
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.2
[INFO] [stderr]   Downloaded serde v1.0.213
[INFO] [stderr]   Downloaded minicov v0.3.6
[INFO] [stderr]   Downloaded serde_derive v1.0.213
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded web-sys v0.3.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99bae128966cb01d61df371b05ecb38bba9bb915f22547dbd63bab513d6ef51e
[INFO] running `Command { std: "docker" "start" "-a" "99bae128966cb01d61df371b05ecb38bba9bb915f22547dbd63bab513d6ef51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99bae128966cb01d61df371b05ecb38bba9bb915f22547dbd63bab513d6ef51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99bae128966cb01d61df371b05ecb38bba9bb915f22547dbd63bab513d6ef51e", kill_on_drop: false }`
[INFO] [stdout] 99bae128966cb01d61df371b05ecb38bba9bb915f22547dbd63bab513d6ef51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2b1e14f9689d659301b708c390267de7faaab70688b4afa564151e16ab4b4a
[INFO] running `Command { std: "docker" "start" "-a" "cb2b1e14f9689d659301b708c390267de7faaab70688b4afa564151e16ab4b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.95
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.95
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling anstyle v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling anstream v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling zinzen v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> build.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |         dirs.retain(|d| (d.is_dir()));
[INFO] [stdout]    |                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         dirs.retain(|d| (d.is_dir()));
[INFO] [stdout] 46 +         dirs.retain(|d| d.is_dir());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.2
[INFO] [stderr] error: failed to run custom build command for `zinzen v0.2.1 (/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/zinzen-83f5400ed10f6516/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cb2b1e14f9689d659301b708c390267de7faaab70688b4afa564151e16ab4b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2b1e14f9689d659301b708c390267de7faaab70688b4afa564151e16ab4b4a", kill_on_drop: false }`
[INFO] [stdout] cb2b1e14f9689d659301b708c390267de7faaab70688b4afa564151e16ab4b4a