[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] testing wackywendell/rchat against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Frchat" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wackywendell/rchat on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2653a05b9b3c502a2d1178d1d74c12af808368063f2edf4b6c2ac25dfdab4529 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2653a05b9b3c502a2d1178d1d74c12af808368063f2edf4b6c2ac25dfdab4529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2653a05b9b3c502a2d1178d1d74c12af808368063f2edf4b6c2ac25dfdab4529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2653a05b9b3c502a2d1178d1d74c12af808368063f2edf4b6c2ac25dfdab4529", kill_on_drop: false }` [INFO] [stdout] 2653a05b9b3c502a2d1178d1d74c12af808368063f2edf4b6c2ac25dfdab4529 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1835a6edb0ffa1a128cd95b22adc7bdc5afb66d0ff3776e2d1d768ae089d6aa3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1835a6edb0ffa1a128cd95b22adc7bdc5afb66d0ff3776e2d1d768ae089d6aa3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling futures v0.1.24 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.0.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling protobuf v2.0.4 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling httpbis v0.7.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling unix_socket v0.5.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling lock_api v0.1.3 [INFO] [stderr] Compiling tls-api v0.1.20 [INFO] [stderr] Compiling protoc v2.0.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling tls-api-stub v0.1.20 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling tokio-executor v0.1.4 [INFO] [stderr] Compiling tokio-io v0.1.8 [INFO] [stderr] Compiling tokio-timer v0.1.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling tokio-timer v0.2.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.6 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.5 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.1 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.1 [INFO] [stderr] Compiling tokio v0.1.8 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-uds v0.1.7 [INFO] [stderr] Compiling tokio-tls-api v0.1.20 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling protobuf-codegen v2.0.4 [INFO] [stderr] Compiling structopt v0.2.10 [INFO] [stderr] Compiling protoc-rust v2.0.4 [INFO] [stderr] Compiling grpc-compiler v0.5.0 [INFO] [stderr] Compiling protoc-rust-grpc v0.5.0 [INFO] [stderr] Compiling 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-68146905c9dc80be/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:8:8 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5648dc40b00c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5648dc40b00c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5648dc40b00c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5648dc40b00c - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5648dc42fa6c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5648dc407a55 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5648dc40ca30 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5648dc40ca30 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5648dc40ca30 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5648dc40c5db - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5648dc40d0e4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x5648dc40cbc0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5648dc40b4c4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5648dc40cb29 - rust_begin_unwind [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5648dc1c1021 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x5648dc1c1113 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x5648dc1c1b28 - core::result::Result::expect::h6e71f437dac42a43 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23 [INFO] [stderr] 17: 0x5648dc1c1c0f - build_script_build::main::h9faafd687b8997d1 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:2:5 [INFO] [stderr] 18: 0x5648dc1c18db - core::ops::function::FnOnce::call_once::h8cb21a57bf628d9c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5648dc1c18fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h3658f8adac9180f1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x5648dc1c1991 - std::rt::lang_start::{{closure}}::h05ae541f1f3c017e [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x5648dc40a851 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5648dc40a851 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x5648dc40a851 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x5648dc40a851 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x5648dc40a851 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x5648dc40a851 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x5648dc40a851 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x5648dc40a851 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x5648dc40a851 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x5648dc1c1960 - std::rt::lang_start::hf87692eadc26a753 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x5648dc1c1c3c - main [INFO] [stderr] 32: 0x7f18f37590b3 - __libc_start_main [INFO] [stderr] 33: 0x5648dc1c179e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "1835a6edb0ffa1a128cd95b22adc7bdc5afb66d0ff3776e2d1d768ae089d6aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1835a6edb0ffa1a128cd95b22adc7bdc5afb66d0ff3776e2d1d768ae089d6aa3", kill_on_drop: false }` [INFO] [stdout] 1835a6edb0ffa1a128cd95b22adc7bdc5afb66d0ff3776e2d1d768ae089d6aa3