[INFO] fetching crate urng 0.4.6...
[INFO] testing urng-0.4.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate urng 0.4.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate urng 0.4.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate urng 0.4.6
[INFO] tweaked toml for crates.io crate urng 0.4.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate urng 0.4.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate urng 0.4.6 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.5
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]   Downloaded core-text v20.1.0
[INFO] [stderr]   Downloaded dwrote v0.11.5
[INFO] [stderr]   Downloaded csbindgen v1.9.7
[INFO] [stderr]   Downloaded ttf-parser v0.20.0
[INFO] [stderr]   Downloaded font-kit v0.14.3
[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7cc30d9b6694fc3d7a206c7ad162d7f59d6663a0722602c72447682c54f8dba
[INFO] running `Command { std: "docker" "start" "-a" "f7cc30d9b6694fc3d7a206c7ad162d7f59d6663a0722602c72447682c54f8dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cc30d9b6694fc3d7a206c7ad162d7f59d6663a0722602c72447682c54f8dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cc30d9b6694fc3d7a206c7ad162d7f59d6663a0722602c72447682c54f8dba", kill_on_drop: false }`
[INFO] [stdout] f7cc30d9b6694fc3d7a206c7ad162d7f59d6663a0722602c72447682c54f8dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ccc40c48127e108f5398b4cb77e56c5ccbeb176c850bfde10e3235822a4ca52
[INFO] running `Command { std: "docker" "start" "-a" "7ccc40c48127e108f5398b4cb77e56c5ccbeb176c850bfde10e3235822a4ca52", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling csbindgen v1.9.7
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling urng v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr] error: failed to run custom build command for `urng v0.4.6 (/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/urng-f9de9c63642c1fb8/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" "7ccc40c48127e108f5398b4cb77e56c5ccbeb176c850bfde10e3235822a4ca52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ccc40c48127e108f5398b4cb77e56c5ccbeb176c850bfde10e3235822a4ca52", kill_on_drop: false }`
[INFO] [stdout] 7ccc40c48127e108f5398b4cb77e56c5ccbeb176c850bfde10e3235822a4ca52
