[INFO] cloning repository https://github.com/capacman/grpctest_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/capacman/grpctest_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcapacman%2Fgrpctest_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcapacman%2Fgrpctest_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cec6d153f2c25b00c28f2f804cd32d541bdb4d9a
[INFO] checking capacman/grpctest_rust against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcapacman%2Fgrpctest_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/capacman/grpctest_rust on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/capacman/grpctest_rust
[INFO] finished tweaking git repo https://github.com/capacman/grpctest_rust
[INFO] tweaked toml for git repo https://github.com/capacman/grpctest_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/capacman/grpctest_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 33cfc0642de926e16a2997afcca836d47e6030f1634b9fd9a300d8cb94cde514
[INFO] running `Command { std: "docker" "start" "-a" "33cfc0642de926e16a2997afcca836d47e6030f1634b9fd9a300d8cb94cde514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33cfc0642de926e16a2997afcca836d47e6030f1634b9fd9a300d8cb94cde514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cfc0642de926e16a2997afcca836d47e6030f1634b9fd9a300d8cb94cde514", kill_on_drop: false }`
[INFO] [stdout] 33cfc0642de926e16a2997afcca836d47e6030f1634b9fd9a300d8cb94cde514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d7a290b52140c68a7a971310fc66af9d2247d7163b6a022baf6f80588b2bae
[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" "e7d7a290b52140c68a7a971310fc66af9d2247d7163b6a022baf6f80588b2bae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking tower v0.4.6
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]    Compiling tonic-build v0.4.1
[INFO] [stderr]    Compiling grpctest_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpctest_rust v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpctest_rust-5aba7669a7c11843/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:10:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558467b3fce0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x558467b3fce0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558467b3fce0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558467b3fce0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558467b6531f - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x558467b3d635 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x558467b4210b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558467b4210b - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558467b4210b - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558467b41bed - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x558467b426e0 - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x558467b422b7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x558467b4017c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558467b42219 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x558467895641 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x558467895733 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5584678c7eee - core::result::Result<T,E>::unwrap::h513a25ae40660438
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x5584678a706d - build_script_build::main::he7c7529c7e03c54d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x55846789f9db - core::ops::function::FnOnce::call_once::h40ff4bb5b7628885
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5584678a589e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbdfcc9c2e86ea1a9
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55846789f821 - std::rt::lang_start::{{closure}}::h7eb21c27bc698581
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x558467b42bba - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x558467b42bba - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x558467b42bba - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x558467b42bba - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x558467b42bba - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55846789f800 - std::rt::lang_start::h7ce414b05fb62b48
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x5584678a709c - main
[INFO] [stderr]     28:     0x7f22f63500b3 - __libc_start_main
[INFO] [stderr]     29:     0x558467895dde - _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" "e7d7a290b52140c68a7a971310fc66af9d2247d7163b6a022baf6f80588b2bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d7a290b52140c68a7a971310fc66af9d2247d7163b6a022baf6f80588b2bae", kill_on_drop: false }`
[INFO] [stdout] e7d7a290b52140c68a7a971310fc66af9d2247d7163b6a022baf6f80588b2bae