[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] f709a9c89375fdc46147b23ddc4490377080ae2b
[INFO] checking buggoing/chat against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[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 b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e58b01f975ea0a63b700464fc3a67deb949f6a924a4caabced9c9667a0f661be
[INFO] running `Command { std: "docker" "start" "-a" "e58b01f975ea0a63b700464fc3a67deb949f6a924a4caabced9c9667a0f661be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58b01f975ea0a63b700464fc3a67deb949f6a924a4caabced9c9667a0f661be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58b01f975ea0a63b700464fc3a67deb949f6a924a4caabced9c9667a0f661be", kill_on_drop: false }`
[INFO] [stdout] e58b01f975ea0a63b700464fc3a67deb949f6a924a4caabced9c9667a0f661be
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4842eb00482eb1f2de5781ca4a3a4e44c399a8078b2549659eb5e27f27812099
[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" "4842eb00482eb1f2de5781ca4a3a4e44c399a8078b2549659eb5e27f27812099", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
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[INFO] [stderr]     Checking dtoa v0.4.6
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[INFO] [stderr]     Checking rustc-demangle v0.1.18
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[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]     Checking net2 v0.2.35
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[INFO] [stderr]     Checking url v2.1.1
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[INFO] [stderr]     Checking rand_pcg v0.2.1
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[INFO] [stderr]    Compiling getrandom v0.1.15
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[INFO] [stderr]    Compiling err-derive v0.2.4
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[INFO] [stderr]     Checking async-global-executor v1.4.3
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[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[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 darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[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
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.2.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[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-retry v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_with v1.5.1
[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-e80e24aa96d072ab/build-script-build` (exit status: 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:     0x556b393a76a0 - std::backtrace_rs::backtrace::libunwind::trace::h247d9dc800afe0ad
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556b393a76a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9a4153306adf486c
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556b393a76a0 - std::sys_common::backtrace::_print_fmt::h1ac8daa5000ee24c
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556b393a76a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h22a8e55d2cc5363a
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556b393cccdf - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x556b393a4df5 - std::io::Write::write_fmt::h441a47830651073b
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x556b393a9acb - std::sys_common::backtrace::_print::hd1e0ee1c195f9f05
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556b393a9acb - std::sys_common::backtrace::print::h7d1098def5c25d20
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556b393a9acb - std::panicking::default_hook::{{closure}}::h484b8b15967e42c8
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x556b393a95ad - std::panicking::default_hook::h82c79ca49716b79d
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x556b393aa0a0 - std::panicking::rust_panic_with_hook::h6df253a3c973d6b6
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x556b393a9c77 - std::panicking::begin_panic_handler::{{closure}}::hc6a4120674935ea3
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x556b393a7b5c - std::sys_common::backtrace::__rust_end_short_backtrace::h9b5f057c8351b0b1
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556b393a9bd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x556b390f9641 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x556b390f9733 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x556b390fa390 - core::result::Result<T,E>::expect::h0981eaf094370bff
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x556b3912f898 - build_script_build::main::hcacd5051a653a17a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2:5
[INFO] [stderr]     18:     0x556b3910a07b - core::ops::function::FnOnce::call_once::hd7f7eb4c55e9584a
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x556b39105b7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9bfbc1396cb86e04
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x556b3912e801 - std::rt::lang_start::{{closure}}::hdc9dc2508bcb8d0c
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x556b393aa57a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h98fbc5823393ca6f
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x556b393aa57a - std::panicking::try::do_call::h210d0709dd1d5fd6
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x556b393aa57a - std::panicking::try::hc60c2c01c5cf7473
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x556b393aa57a - std::panic::catch_unwind::h7480a56877b30ca9
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x556b393aa57a - std::rt::lang_start_internal::he77194431b0ee4a2
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x556b3912e7e0 - std::rt::lang_start::hd9f6f2d8aa53181a
[INFO] [stderr]                                  at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x556b3912f8bc - main
[INFO] [stderr]     28:     0x7f06b0eca0b3 - __libc_start_main
[INFO] [stderr]     29:     0x556b390f9dde - _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" "4842eb00482eb1f2de5781ca4a3a4e44c399a8078b2549659eb5e27f27812099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4842eb00482eb1f2de5781ca4a3a4e44c399a8078b2549659eb5e27f27812099", kill_on_drop: false }`
[INFO] [stdout] 4842eb00482eb1f2de5781ca4a3a4e44c399a8078b2549659eb5e27f27812099