[INFO] cloning repository https://github.com/Lemures/grpc_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lemures/grpc_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemures%2Fgrpc_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemures%2Fgrpc_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f48bd606f27bbbf17b89f6cc0e16828d76982573
[INFO] checking Lemures/grpc_example against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemures%2Fgrpc_example" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lemures/grpc_example on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Lemures/grpc_example
[INFO] finished tweaking git repo https://github.com/Lemures/grpc_example
[INFO] tweaked toml for git repo https://github.com/Lemures/grpc_example written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Lemures/grpc_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tls-api v0.1.14
[INFO] [stderr]   Downloaded grpc-compiler v0.2.1
[INFO] [stderr]   Downloaded tls-api-stub v0.1.14
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.2.1
[INFO] [stderr]   Downloaded tokio-tls-api v0.1.14
[INFO] [stderr]   Downloaded grpc v0.2.1
[INFO] [stderr]   Downloaded httpbis v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f326c0e0f272825f41eba8ac528a8225d1f04569678ae612ede181824507ed3
[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" "8f326c0e0f272825f41eba8ac528a8225d1f04569678ae612ede181824507ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f326c0e0f272825f41eba8ac528a8225d1f04569678ae612ede181824507ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f326c0e0f272825f41eba8ac528a8225d1f04569678ae612ede181824507ed3", kill_on_drop: false }`
[INFO] [stdout] 8f326c0e0f272825f41eba8ac528a8225d1f04569678ae612ede181824507ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e829fc65600a6bde2c329ccc5e757839e27c7fe05e669bdf16d4cb041daa98c
[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" "4e829fc65600a6bde2c329ccc5e757839e27c7fe05e669bdf16d4cb041daa98c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking tls-api v0.1.14
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking tls-api-stub v0.1.14
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]    Compiling protobuf v1.4.3
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking tokio-tls-api v0.1.14
[INFO] [stderr]     Checking httpbis v0.4.1
[INFO] [stderr]     Checking grpc v0.2.1
[INFO] [stderr]    Compiling protoc-rust v1.4.3
[INFO] [stderr]    Compiling grpc-compiler v0.2.1
[INFO] [stderr]    Compiling protoc-rust-grpc v0.2.1
[INFO] [stderr]    Compiling grpc_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc_example v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpc_example-d2f49ebcd2f5241e/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to generate Rust src: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x565157382e90 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x565157382e90 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x565157382e90 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x565157382e90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5651573a6eac - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x565157380477 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x5651573853c0 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5651573853c0 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5651573853c0 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x56515738510c - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x565157385a23 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5651573855f9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x5651573832fc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5651573855b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x5651573a4d81 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x5651573a4ba3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x5651570ff28c - core::result::Result<T,E>::expect::h7e987e8547f70b7e
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x5651570ff334 - build_script_build::main::hdfc581abaabeaf1c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x5651570ff1bb - core::ops::function::FnOnce::call_once::h3994c8161ee14fd4
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x5651570ff40e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8624e032fe500c0f
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x5651570ff3e1 - std::rt::lang_start::{{closure}}::h40f000951645ca89
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x565157385e21 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x565157385e21 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x565157385e21 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x565157385e21 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x565157385e21 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x5651570ff3b7 - std::rt::lang_start::hf08126232b5ce43e
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x5651570ff36a - main
[INFO] [stderr]     28:     0x7f4bbaef60b3 - __libc_start_main
[INFO] [stderr]     29:     0x5651570ff0ce - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4e829fc65600a6bde2c329ccc5e757839e27c7fe05e669bdf16d4cb041daa98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e829fc65600a6bde2c329ccc5e757839e27c7fe05e669bdf16d4cb041daa98c", kill_on_drop: false }`
[INFO] [stdout] 4e829fc65600a6bde2c329ccc5e757839e27c7fe05e669bdf16d4cb041daa98c
