[INFO] fetching crate helics 0.1.0...
[INFO] testing helics-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate helics 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate helics 0.1.0
[INFO] finished tweaking crates.io crate helics 0.1.0
[INFO] tweaked toml for crates.io crate helics 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate helics 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae
[INFO] running `Command { std: "docker" "start" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling curl v0.4.51
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling libz-sys v1.1.30
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]    Compiling curl-sys v0.4.91+curl-8.22.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling clang-sys v1.9.1
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.46
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling helics-sys v0.1.2
[INFO] [stderr] error: failed to run custom build command for `helics-sys v0.1.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/helics-sys/f19bd5973366d2db/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (794) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/helics-sys-0.1.2/build.rs:47:37:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x647d9a645951 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x647d9a65dbba - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x647d9a64bdbc - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x647d9a61edd6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x647d9a63d181 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x647d9a63d4ab - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x647d9a61ee82 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x647d9a6178d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x647d9a61fd1d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x647d9a65e3dc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x647d9a65e1b2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stderr]     11:     0x647d9a13b8ad - build_script_build[6dbe092f52bb86f4]::download_and_install
[INFO] [stderr]     12:     0x647d9a13d609 - build_script_build[6dbe092f52bb86f4]::main
[INFO] [stderr]     13:     0x647d9a140b4b - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x647d9a13a436 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x647d9a13a749 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x647d9a63c0e8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     17:     0x647d9a138c41 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x647d9a140ea5 - main
[INFO] [stderr]     19:     0x7cff9244d601 - <unknown>
[INFO] [stderr]     20:     0x7cff9244d718 - __libc_start_main
[INFO] [stderr]     21:     0x647d9a135aa5 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae", kill_on_drop: false }`
[INFO] [stdout] 021e6ed8fa876455000f6b42a3bc7cab7f32db09991bc84cfed0110fb76dfcae
