[INFO] fetching crate libpreflate-sys 0.1.0...
[INFO] checking libpreflate-sys-0.1.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate libpreflate-sys 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate libpreflate-sys 0.1.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpreflate-sys 0.1.0
[INFO] finished tweaking crates.io crate libpreflate-sys 0.1.0
[INFO] tweaked toml for crates.io crate libpreflate-sys 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22435f3f2b8ebd8f4c14542dba392d4402a22a82ff6a92e0c4170c707fe66716
[INFO] running `Command { std: "docker" "start" "-a" "22435f3f2b8ebd8f4c14542dba392d4402a22a82ff6a92e0c4170c707fe66716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22435f3f2b8ebd8f4c14542dba392d4402a22a82ff6a92e0c4170c707fe66716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22435f3f2b8ebd8f4c14542dba392d4402a22a82ff6a92e0c4170c707fe66716", kill_on_drop: false }`
[INFO] [stdout] 22435f3f2b8ebd8f4c14542dba392d4402a22a82ff6a92e0c4170c707fe66716
[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=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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c935312a0dee4db5b0ea95de1cad283c1fc55175d52a6787715b93c2d24a554
[INFO] running `Command { std: "docker" "start" "-a" "0c935312a0dee4db5b0ea95de1cad283c1fc55175d52a6787715b93c2d24a554", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.131
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking foldhash v0.1.3
[INFO] [stderr]    Compiling cxx v1.0.131
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling cxx-build v1.0.131
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.131
[INFO] [stderr]    Compiling libpreflate-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `libpreflate-sys v0.1.0 (/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/libpreflate-sys-bdf385f2c419f4fb/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" "0c935312a0dee4db5b0ea95de1cad283c1fc55175d52a6787715b93c2d24a554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c935312a0dee4db5b0ea95de1cad283c1fc55175d52a6787715b93c2d24a554", kill_on_drop: false }`
[INFO] [stdout] 0c935312a0dee4db5b0ea95de1cad283c1fc55175d52a6787715b93c2d24a554
