[INFO] fetching crate preflate-bindings 0.1.0...
[INFO] testing preflate-bindings-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate preflate-bindings 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate preflate-bindings 0.1.0
[INFO] finished tweaking crates.io crate preflate-bindings 0.1.0
[INFO] tweaked toml for crates.io crate preflate-bindings 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preflate-bindings 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libpreflate-sys v0.1.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c75091dccbbecdca84d0ec682df5d81530eacfef11da6cf89b2887f4160060ee
[INFO] running `Command { std: "docker" "start" "-a" "c75091dccbbecdca84d0ec682df5d81530eacfef11da6cf89b2887f4160060ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c75091dccbbecdca84d0ec682df5d81530eacfef11da6cf89b2887f4160060ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75091dccbbecdca84d0ec682df5d81530eacfef11da6cf89b2887f4160060ee", kill_on_drop: false }`
[INFO] [stdout] c75091dccbbecdca84d0ec682df5d81530eacfef11da6cf89b2887f4160060ee
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7abefa6e39cbbb36bcf6111a0ca9db1db5640a6f36244251a7e0c6d5d9b28c7
[INFO] running `Command { std: "docker" "start" "-a" "b7abefa6e39cbbb36bcf6111a0ca9db1db5640a6f36244251a7e0c6d5d9b28c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.194
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling cxx v1.0.194
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling cxx-build v1.0.194
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.194
[INFO] [stderr]    Compiling libpreflate-sys v0.1.0
[INFO] [stderr] error: failed to run custom build command for `libpreflate-sys v0.1.0`
[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/libpreflate-sys-08fc935f930d9b78/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" "b7abefa6e39cbbb36bcf6111a0ca9db1db5640a6f36244251a7e0c6d5d9b28c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7abefa6e39cbbb36bcf6111a0ca9db1db5640a6f36244251a7e0c6d5d9b28c7", kill_on_drop: false }`
[INFO] [stdout] b7abefa6e39cbbb36bcf6111a0ca9db1db5640a6f36244251a7e0c6d5d9b28c7