[INFO] cloning repository https://github.com/wackywendell/rchat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wackywendell/rchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b06f98d82c595feb2a628f4de6d19d0213bf2123 [INFO] checking wackywendell/rchat against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wackywendell/rchat on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wackywendell/rchat [INFO] finished tweaking git repo https://github.com/wackywendell/rchat [INFO] tweaked toml for git repo https://github.com/wackywendell/rchat written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/wackywendell/rchat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazycell v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db516a8281553cb6b4fcd75d890ebff68779b3501f16020f67e66be93411d111 [INFO] running `Command { std: "docker" "start" "-a" "db516a8281553cb6b4fcd75d890ebff68779b3501f16020f67e66be93411d111", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db516a8281553cb6b4fcd75d890ebff68779b3501f16020f67e66be93411d111", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db516a8281553cb6b4fcd75d890ebff68779b3501f16020f67e66be93411d111", kill_on_drop: false }` [INFO] [stdout] db516a8281553cb6b4fcd75d890ebff68779b3501f16020f67e66be93411d111 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ef0425e7627b7068355bd1d420eabde0a714d2eda2e75f3ec95dcfbf7fee095 [INFO] running `Command { std: "docker" "start" "-a" "1ef0425e7627b7068355bd1d420eabde0a714d2eda2e75f3ec95dcfbf7fee095", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking futures v0.1.24 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking lazycell v1.0.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling protobuf v2.0.4 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Compiling httpbis v0.7.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking tls-api v0.1.20 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling protoc v2.0.4 [INFO] [stderr] Checking base64 v0.9.2 [INFO] [stderr] Checking tls-api-stub v0.1.20 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking tokio-executor v0.1.4 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.6 [INFO] [stderr] Checking tokio-current-thread v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking tokio-threadpool v0.1.6 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio-reactor v0.1.5 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.1 [INFO] [stderr] Checking tokio v0.1.8 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-uds v0.1.7 [INFO] [stderr] Checking tokio-tls-api v0.1.20 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Compiling protobuf-codegen v2.0.4 [INFO] [stderr] Compiling grpc-compiler v0.5.0 [INFO] [stderr] Compiling protoc-rust v2.0.4 [INFO] [stderr] Compiling protoc-rust-grpc v0.5.0 [INFO] [stderr] Checking grpc v0.5.0 [INFO] [stderr] Compiling rchat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `rchat v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rchat-82f94dc75904e036/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:8:8 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fb97d3abf0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fb97d3abf0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fb97d3abf0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fb97d3abf0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fb97d5f6ac - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55fb97d38365 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x55fb97d3cc7b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fb97d3cc7b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fb97d3cc7b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fb97d3c751 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fb97d3d344 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55fb97d3ce27 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55fb97d3b0cc - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fb97d3cd89 - rust_begin_unwind [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55fb97aee161 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55fb97aee253 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55fb97aeed79 - core::result::Result::expect::h24da8eeeeef86f36 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55fb97aeea8f - build_script_build::main::h7943172c9b26bd47 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:2:5 [INFO] [stderr] 18: 0x55fb97aeebfb - core::ops::function::FnOnce::call_once::hc8a74216785c91db [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55fb97aeeb4e - std::sys_common::backtrace::__rust_begin_short_backtrace::h968cab4095c594f5 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55fb97aeeb21 - std::rt::lang_start::{{closure}}::hfea55a4c5c62dece [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55fb97d3d849 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55fb97d3d849 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55fb97d3d849 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55fb97d3d849 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55fb97d3d849 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55fb97aeeb00 - std::rt::lang_start::h1db1fa43e047fd4a [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55fb97aeeabc - main [INFO] [stderr] 28: 0x7ffa1b0a20b3 - __libc_start_main [INFO] [stderr] 29: 0x55fb97aee91e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "1ef0425e7627b7068355bd1d420eabde0a714d2eda2e75f3ec95dcfbf7fee095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ef0425e7627b7068355bd1d420eabde0a714d2eda2e75f3ec95dcfbf7fee095", kill_on_drop: false }` [INFO] [stdout] 1ef0425e7627b7068355bd1d420eabde0a714d2eda2e75f3ec95dcfbf7fee095