[INFO] cloning repository https://github.com/jgallagher/protoc-rust-bug-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgallagher/protoc-rust-bug-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher%2Fprotoc-rust-bug-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher%2Fprotoc-rust-bug-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c702c16cde1996c3ad986c44861337bd335c55a
[INFO] testing jgallagher/protoc-rust-bug-repro against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher%2Fprotoc-rust-bug-repro" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jgallagher/protoc-rust-bug-repro
[INFO] finished tweaking git repo https://github.com/jgallagher/protoc-rust-bug-repro
[INFO] tweaked toml for git repo https://github.com/jgallagher/protoc-rust-bug-repro written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jgallagher/protoc-rust-bug-repro on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jgallagher/protoc-rust-bug-repro 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" "+1.99.0-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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20
[INFO] running `Command { std: "docker" "start" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20", 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" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20", 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" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling protoc v2.25.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling protobuf-codegen v2.25.2
[INFO] [stderr]    Compiling protoc-rust v2.25.2
[INFO] [stderr]    Compiling protoc-rust-bug-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `protoc-rust-bug-repro v0.1.0 (/opt/rustwide/workdir)`
[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/protoc-rust-bug-repro-7244f9c9c1dae5c4/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/BugReproducer.proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (267) panicked at build.rs:7:10:
[INFO] [stderr]   failed to codegen BugReproducer.proto: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56a207464281 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x56a20747aa0a - core[7c831bd917ebf35f]::fmt::write
[INFO] [stderr]      2:     0x56a2074697cc - <std[104cf6e2632825ea]::sys::stdio::unix::Stderr as core[7c831bd917ebf35f]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x56a207445b26 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x56a20745f3d1 - std[104cf6e2632825ea]::panicking::default_hook
[INFO] [stderr]      5:     0x56a20745f58b - std[104cf6e2632825ea]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x56a207445bd2 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x56a20743e489 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x56a2074463ed - __rustc[b0d56fa5b193ad05]::rust_begin_unwind
[INFO] [stderr]      9:     0x56a20747b13c - core[7c831bd917ebf35f]::panicking::panic_fmt
[INFO] [stderr]     10:     0x56a20747af12 - core[7c831bd917ebf35f]::result::unwrap_failed
[INFO] [stderr]     11:     0x56a2072b4620 - <core[7c831bd917ebf35f]::result::Result<(), core[7c831bd917ebf35f]::io::error::Error>>::expect
[INFO] [stderr]     12:     0x56a2072b4589 - build_script_build[711c46db2f94b171]::main
[INFO] [stderr]     13:     0x56a2072b4673 - <fn() as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x56a2072b448e - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x56a2072b4499 - std[104cf6e2632825ea]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x56a20745e709 - std[104cf6e2632825ea]::rt::lang_start_internal
[INFO] [stderr]     17:     0x56a2072b4481 - std[104cf6e2632825ea]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x56a2072b46b5 - main
[INFO] [stderr]     19:     0x7137a6401601 - <unknown>
[INFO] [stderr]     20:     0x7137a6401718 - __libc_start_main
[INFO] [stderr]     21:     0x56a2072b4325 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20", kill_on_drop: false }`
[INFO] [stdout] f04a3c0d1d9f64693c28eb5b36e96d9d141eb51866dd51f4379defae6a508d20
