[INFO] cloning repository https://github.com/autodidaddict/rs-zombies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autodidaddict/rs-zombies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a0b4e82ae7da59541801cb2ffc4ff447c2cf0af
[INFO] checking autodidaddict/rs-zombies against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies" "/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/autodidaddict/rs-zombies on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autodidaddict/rs-zombies
[INFO] finished tweaking git repo https://github.com/autodidaddict/rs-zombies
[INFO] tweaked toml for git repo https://github.com/autodidaddict/rs-zombies written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/autodidaddict/rs-zombies already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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 futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded tokio-core v0.1.8
[INFO] [stderr]   Downloaded tokio-io v0.1.2
[INFO] [stderr]   Downloaded mio v0.6.9
[INFO] [stderr]   Downloaded protobuf v1.4.1
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded grpc v0.2.1
[INFO] [stderr]   Downloaded grpc-compiler v0.2.1
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.2.1
[INFO] [stderr]   Downloaded bytes v0.4.4
[INFO] [stderr]   Downloaded tls-api-stub v0.1.8
[INFO] [stderr]   Downloaded net2 v0.2.29
[INFO] [stderr]   Downloaded protoc-rust v1.4.1
[INFO] [stderr]   Downloaded tokio-tls-api v0.1.8
[INFO] [stderr]   Downloaded httpbis v0.4.1
[INFO] [stderr]   Downloaded protoc v1.4.1
[INFO] [stderr]   Downloaded tls-api v0.1.8
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59fd84b5a7f827327db3b078686dc1f19f5a414ad93bef744dddc4580c3e0cca
[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" "59fd84b5a7f827327db3b078686dc1f19f5a414ad93bef744dddc4580c3e0cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59fd84b5a7f827327db3b078686dc1f19f5a414ad93bef744dddc4580c3e0cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fd84b5a7f827327db3b078686dc1f19f5a414ad93bef744dddc4580c3e0cca", kill_on_drop: false }`
[INFO] [stdout] 59fd84b5a7f827327db3b078686dc1f19f5a414ad93bef744dddc4580c3e0cca
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2ea2f529794e2f6285dda6fd6a53aa0fe1e3573f467f7ec05b048fadb3ade163
[INFO] running `Command { std: "docker" "start" "-a" "2ea2f529794e2f6285dda6fd6a53aa0fe1e3573f467f7ec05b048fadb3ade163", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]    Compiling protoc v1.4.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking tls-api v0.1.8
[INFO] [stderr]     Checking protobuf v1.4.1
[INFO] [stderr]     Checking tls-api-stub v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.8
[INFO] [stderr]     Checking tokio-tls-api v0.1.8
[INFO] [stderr]     Checking httpbis v0.4.1
[INFO] [stderr]     Checking grpc v0.2.1
[INFO] [stderr]    Compiling grpc-compiler v0.2.1
[INFO] [stderr]    Compiling protoc-rust v1.4.1
[INFO] [stderr]    Compiling protoc-rust-grpc v0.2.1
[INFO] [stderr]    Compiling rs-zombies v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rs-zombies v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rs-zombies-6b1f43fc0e41baa4/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563d618bb255 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x563d618bb255 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x563d618bb255 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x563d618bb255 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x563d618e397c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x563d618b85a2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x563d618bdb80 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x563d618bdb80 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x563d618bdb80 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x563d618bd8cc - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x563d618be1c3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x563d618bddbb - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x563d618e18e1 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x563d618e1703 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x563d616553cf - core::result::Result<T,E>::expect::hf827f032728a3a1b
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x563d61655314 - build_script_build::main::h615ae2974d4f8abb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     16:     0x563d6165546b - std::rt::lang_start::{{closure}}::h3a8ea5439aa30fbb
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x563d618be593 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x563d618be593 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x563d618be593 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x563d618be593 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x563d618be593 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x563d61655447 - std::rt::lang_start::hee7efd664addd889
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x563d6165534a - main
[INFO] [stderr]     24:     0x7ff1c66610b3 - __libc_start_main
[INFO] [stderr]     25:     0x563d6165519e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2ea2f529794e2f6285dda6fd6a53aa0fe1e3573f467f7ec05b048fadb3ade163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea2f529794e2f6285dda6fd6a53aa0fe1e3573f467f7ec05b048fadb3ade163", kill_on_drop: false }`
[INFO] [stdout] 2ea2f529794e2f6285dda6fd6a53aa0fe1e3573f467f7ec05b048fadb3ade163
