[INFO] cloning repository https://github.com/marcelbuesing/protobuf-codegen-pure-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcelbuesing/protobuf-codegen-pure-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fprotobuf-codegen-pure-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fprotobuf-codegen-pure-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e706ddf0463ea40a02913f9bbb176a9985081c7b
[INFO] checking marcelbuesing/protobuf-codegen-pure-example against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fprotobuf-codegen-pure-example" "/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/marcelbuesing/protobuf-codegen-pure-example on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcelbuesing/protobuf-codegen-pure-example
[INFO] finished tweaking git repo https://github.com/marcelbuesing/protobuf-codegen-pure-example
[INFO] tweaked toml for git repo https://github.com/marcelbuesing/protobuf-codegen-pure-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/marcelbuesing/protobuf-codegen-pure-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.8.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.0
[INFO] [stderr]   Downloaded protobuf v2.8.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 960c68aabac418cc389eaac60c9309fe567a5cc4884b9dadca046c6213c14f46
[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" "960c68aabac418cc389eaac60c9309fe567a5cc4884b9dadca046c6213c14f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960c68aabac418cc389eaac60c9309fe567a5cc4884b9dadca046c6213c14f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960c68aabac418cc389eaac60c9309fe567a5cc4884b9dadca046c6213c14f46", kill_on_drop: false }`
[INFO] [stdout] 960c68aabac418cc389eaac60c9309fe567a5cc4884b9dadca046c6213c14f46
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b61106d82f1b3d48f7e8362ec1d140c2a20c7ee1b735759058887e2b957b5b
[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" "60b61106d82f1b3d48f7e8362ec1d140c2a20c7ee1b735759058887e2b957b5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]    Compiling protobuf-codegen v2.8.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.8.0
[INFO] [stderr]    Compiling protofbuf-codegen-pure-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `protofbuf-codegen-pure-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/protofbuf-codegen-pure-example-f0e3bcaccb701672/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:12:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559e418ee077 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x559e418ee077 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559e418ee077 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x559e418ee077 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x559e4190b64c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x559e418ebea2 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x559e418efda5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x559e418efda5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x559e418efda5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x559e418ef903 - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x559e418f0541 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x559e418f0087 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x559e418ee53c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x559e418effe9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x559e41909611 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x559e41909433 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x559e41645624 - core::result::Result<T,E>::expect::hd8babbab2a0278f4
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x559e416452b1 - build_script_build::main::h677b01aa5981f85b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:5
[INFO] [stderr]     18:     0x559e4164539b - core::ops::function::FnOnce::call_once::hd557105e0ec20eeb
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x559e416452fe - std::sys_common::backtrace::__rust_begin_short_backtrace::ha4fe2122bd29d137
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x559e41645421 - std::rt::lang_start::{{closure}}::hd7beec97dc862e75
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x559e418f0967 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x559e418f0967 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x559e418f0967 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x559e418f0967 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x559e418f0967 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x559e416453f7 - std::rt::lang_start::h3b2a563e4db76210
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x559e416452ea - main
[INFO] [stderr]     28:     0x7f262795b0b3 - __libc_start_main
[INFO] [stderr]     29:     0x559e416450be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "60b61106d82f1b3d48f7e8362ec1d140c2a20c7ee1b735759058887e2b957b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b61106d82f1b3d48f7e8362ec1d140c2a20c7ee1b735759058887e2b957b5b", kill_on_drop: false }`
[INFO] [stdout] 60b61106d82f1b3d48f7e8362ec1d140c2a20c7ee1b735759058887e2b957b5b