[INFO] fetching crate polaris-core 0.1.3...
[INFO] testing polaris-core-0.1.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate polaris-core 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate polaris-core 0.1.3
[INFO] finished tweaking crates.io crate polaris-core 0.1.3
[INFO] tweaked toml for crates.io crate polaris-core 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polaris-core 0.1.3 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 68 packages to highest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.5.0)
[INFO] [stderr]       Adding polaris-specification v0.1.3 (available: v1.5.4)
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a
[INFO] running `Command { std: "docker" "start" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a", 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" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a" "/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" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a", 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" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling polaris-specification v0.1.3
[INFO] [stderr] error: failed to run custom build command for `polaris-specification v0.1.3`
[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/polaris-specification/a6b005c83a875aaf/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (420) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polaris-specification-0.1.3/build.rs:21:10:
[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:     0x617eae338f21 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x617eae34ca7a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x617eae33e0ac - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x617eae316bc6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x617eae3310a1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x617eae3313cb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x617eae316c72 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x617eae30f6e9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x617eae3177ed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x617eae34d29c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x617eae34d072 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stderr]     11:     0x617eae0a1cda - build_script_build[7984864d364394a1]::main
[INFO] [stderr]     12:     0x617eae0a37e3 - <fn() -> core[a373ad73a504971]::result::Result<(), core[a373ad73a504971]::io::error::Error> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     13:     0x617eae0a0a76 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core[a373ad73a504971]::result::Result<(), core[a373ad73a504971]::io::error::Error>, core[a373ad73a504971]::result::Result<(), core[a373ad73a504971]::io::error::Error>>
[INFO] [stderr]     14:     0x617eae0a1209 - std[617be2ca0a6fd877]::rt::lang_start::<core[a373ad73a504971]::result::Result<(), core[a373ad73a504971]::io::error::Error>>::{closure#0}
[INFO] [stderr]     15:     0x617eae3301d8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     16:     0x617eae09fe01 - std[617be2ca0a6fd877]::rt::lang_start::<core[a373ad73a504971]::result::Result<(), core[a373ad73a504971]::io::error::Error>>
[INFO] [stderr]     17:     0x617eae0a3c55 - main
[INFO] [stderr]     18:     0x76ec3e4ab601 - <unknown>
[INFO] [stderr]     19:     0x76ec3e4ab718 - __libc_start_main
[INFO] [stderr]     20:     0x617eae08a7e5 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a", kill_on_drop: false }`
[INFO] [stdout] 258630c12471fd467f5b24bb2fd2e257e33292a14064526a1adac1811b6a6a3a
