[INFO] cloning repository https://github.com/buggoing/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buggoing/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggoing%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggoing%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26da9c55c9410c1928eef31cac90b2a50598d3f5
[INFO] checking buggoing/chat against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggoing%2Fchat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buggoing/chat on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buggoing/chat
[INFO] finished tweaking git repo https://github.com/buggoing/chat
[INFO] tweaked toml for git repo https://github.com/buggoing/chat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/buggoing/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61dc029c9bcbf42af7638c5c3d51644a7bf86021ed32987467df91e542052427
[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" "61dc029c9bcbf42af7638c5c3d51644a7bf86021ed32987467df91e542052427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61dc029c9bcbf42af7638c5c3d51644a7bf86021ed32987467df91e542052427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dc029c9bcbf42af7638c5c3d51644a7bf86021ed32987467df91e542052427", kill_on_drop: false }`
[INFO] [stdout] 61dc029c9bcbf42af7638c5c3d51644a7bf86021ed32987467df91e542052427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40bcc4158a915e95d466886cd011cca38bbe32eb8930eff0122c373a13c48415
[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" "40bcc4158a915e95d466886cd011cca38bbe32eb8930eff0122c373a13c48415", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.4.1
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
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[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v0.4.6
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[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]    Compiling unicase v2.6.0
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[INFO] [stderr]    Compiling darling_core v0.10.2
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[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling derivative v2.1.1
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[INFO] [stderr]     Checking http-body v0.3.1
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking async-global-executor v1.4.3
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[INFO] [stderr]     Checking sha2 v0.8.2
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[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
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[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.2.2
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking serde_with v1.5.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr] error: failed to run custom build command for `chat v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/chat-f6ad739957779efe/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'failed to compile protos: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:6:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559ddce6aab0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x559ddce6aab0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559ddce6aab0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x559ddce6aab0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x559ddce9078c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x559ddce67ad2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x559ddce6d325 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x559ddce6d325 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x559ddce6d325 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x559ddce6cfc8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x559ddce6dae6 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:597:17
[INFO] [stderr]     11:     0x559ddce6d607 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x559ddce6af4c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x559ddce6d569 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x559ddce8e6f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x559ddce8e513 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x559ddcb7845f - core::result::Result<T,E>::expect::h830e7c088f341225
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x559ddcb8218b - build_script_build::main::h5ce5e16d52a276be
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2:5
[INFO] [stderr]     18:     0x559ddcb8418b - core::ops::function::FnOnce::call_once::h0efd7e879b4c46d4
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x559ddcb86a9e - std::sys_common::backtrace::__rust_begin_short_backtrace::h84384ef585b476b0
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x559ddcb851e1 - std::rt::lang_start::{{closure}}::hfd706434fe5fa418
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x559ddce6dfd7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x559ddce6dfd7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x559ddce6dfd7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x559ddce6dfd7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x559ddce6dfd7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x559ddcb851b7 - std::rt::lang_start::h26641081b39e5b6d
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x559ddcb821ca - main
[INFO] [stderr]     28:     0x7f77a4f130b3 - __libc_start_main
[INFO] [stderr]     29:     0x559ddcb6f0de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "40bcc4158a915e95d466886cd011cca38bbe32eb8930eff0122c373a13c48415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bcc4158a915e95d466886cd011cca38bbe32eb8930eff0122c373a13c48415", kill_on_drop: false }`
[INFO] [stdout] 40bcc4158a915e95d466886cd011cca38bbe32eb8930eff0122c373a13c48415