[INFO] cloning repository https://github.com/iptq/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iptq/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba65bdc71054a3a40f69a95eaf95bac9410ef1bd
[INFO] testing iptq/chat against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fchat" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/chat 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/iptq/chat
[INFO] finished tweaking git repo https://github.com/iptq/chat
[INFO] tweaked toml for git repo https://github.com/iptq/chat written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/iptq/chat 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.5
[INFO] [stderr]   Downloaded protoc v2.0.5
[INFO] [stderr]   Downloaded protobuf v2.0.5
[INFO] [stderr]   Downloaded protoc-rust v2.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e78dae1a92801415f2831be3e0dd3d9ae4a55bcd42afa882e48e51340fa562e4
[INFO] running `Command { std: "docker" "start" "-a" "e78dae1a92801415f2831be3e0dd3d9ae4a55bcd42afa882e48e51340fa562e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e78dae1a92801415f2831be3e0dd3d9ae4a55bcd42afa882e48e51340fa562e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78dae1a92801415f2831be3e0dd3d9ae4a55bcd42afa882e48e51340fa562e4", kill_on_drop: false }`
[INFO] [stdout] e78dae1a92801415f2831be3e0dd3d9ae4a55bcd42afa882e48e51340fa562e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b29e44be2d7ecbb908971b4f1ac39fdabfb737f59b4b2decec36bf97da20e0d
[INFO] running `Command { std: "docker" "start" "-a" "3b29e44be2d7ecbb908971b4f1ac39fdabfb737f59b4b2decec36bf97da20e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling protobuf v2.0.5
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling protoc v2.0.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling protobuf-codegen v2.0.5
[INFO] [stderr]    Compiling protoc-rust v2.0.5
[INFO] [stderr]    Compiling proto v0.1.0 (/opt/rustwide/workdir/proto)
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr] error: failed to run custom build command for `proto v0.1.0 (/opt/rustwide/workdir/proto)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/proto-9fc4f458673272aa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc failed: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', proto/build.rs:16:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564adda78ffc - 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:     0x564adda78ffc - 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:     0x564adda78ffc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564adda78ffc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564adda9d9ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x564adda75a45 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x564adda7aa20 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564adda7aa20 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564adda7aa20 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x564adda7a5cb - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x564adda7b0d4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x564adda7abb0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x564adda794b4 - 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:     0x564adda7ab19 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x564add841021 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14
[INFO] [stderr]     15:     0x564add841113 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x564add841bd8 - core::result::Result<T,E>::expect::h7c7ca2e639a121b0
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x564add84194c - build_script_build::main::he703e54060a7b855
[INFO] [stderr]                                  at /opt/rustwide/workdir/proto/build.rs:6:5
[INFO] [stderr]     18:     0x564add841a7b - core::ops::function::FnOnce::call_once::h7cbf8ba7509bee4d
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x564add841c1e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6536707a600b770c
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x564add841b41 - std::rt::lang_start::{{closure}}::h1d7289bd0c11d789
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x564adda78841 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x564adda78841 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x564adda78841 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x564adda78841 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x564adda78841 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x564adda78841 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x564adda78841 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x564adda78841 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x564adda78841 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x564add841b10 - std::rt::lang_start::h0ca07774055b8535
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x564add84197c - main
[INFO] [stderr]     32:     0x7fb5bf6260b3 - __libc_start_main
[INFO] [stderr]     33:     0x564add84179e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3b29e44be2d7ecbb908971b4f1ac39fdabfb737f59b4b2decec36bf97da20e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b29e44be2d7ecbb908971b4f1ac39fdabfb737f59b4b2decec36bf97da20e0d", kill_on_drop: false }`
[INFO] [stdout] 3b29e44be2d7ecbb908971b4f1ac39fdabfb737f59b4b2decec36bf97da20e0d