[INFO] cloning repository https://github.com/stefandanaita/mock-grpc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefandanaita/mock-grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefandanaita%2Fmock-grpc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefandanaita%2Fmock-grpc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1684079adcbaa529b45608452612dff5d6133515 [INFO] documenting stefandanaita/mock-grpc against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefandanaita%2Fmock-grpc" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stefandanaita/mock-grpc on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stefandanaita/mock-grpc [INFO] finished tweaking git repo https://github.com/stefandanaita/mock-grpc [INFO] tweaked toml for git repo https://github.com/stefandanaita/mock-grpc written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/stefandanaita/mock-grpc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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 async-stream v0.2.1 [INFO] [stderr] Downloaded tracing-futures v0.2.4 [INFO] [stderr] Downloaded tonic-build v0.2.0 [INFO] [stderr] Downloaded structopt-derive v0.4.8 [INFO] [stderr] Downloaded tonic v0.2.1 [INFO] [stderr] Downloaded paw-raw v1.0.0 [INFO] [stderr] Downloaded tower-load-shed v0.3.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.8 [INFO] [stderr] Downloaded which v3.1.1 [INFO] [stderr] Downloaded rand_pcg v0.2.1 [INFO] [stderr] Downloaded syn v1.0.32 [INFO] [stderr] Downloaded proc-macro-error v1.0.2 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.63 [INFO] [stderr] Downloaded petgraph v0.5.1 [INFO] [stderr] Downloaded prost v0.6.1 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.63 [INFO] [stderr] Downloaded tower-limit v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.63 [INFO] [stderr] Downloaded prost-derive v0.6.1 [INFO] [stderr] Downloaded tracing v0.1.15 [INFO] [stderr] Downloaded tower-timeout v0.3.0 [INFO] [stderr] Downloaded tower-discover v0.3.0 [INFO] [stderr] Downloaded web-sys v0.3.40 [INFO] [stderr] Downloaded tower-load v0.3.0 [INFO] [stderr] Downloaded tower-balance v0.3.0 [INFO] [stderr] Downloaded multimap v0.8.1 [INFO] [stderr] Downloaded proc-macro-error-attr v1.0.2 [INFO] [stderr] Downloaded prost-types v0.6.1 [INFO] [stderr] Downloaded tower-ready-cache v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.63 [INFO] [stderr] Downloaded paw-attributes v1.0.2 [INFO] [stderr] Downloaded paw v1.0.0 [INFO] [stderr] Downloaded prost-build v0.6.1 [INFO] [stderr] Downloaded grpc-build v0.0.5 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.63 [INFO] [stderr] Downloaded tower v0.3.1 [INFO] [stderr] Downloaded tower-make v0.3.0 [INFO] [stderr] Downloaded tower-buffer v0.3.0 [INFO] [stderr] Downloaded tracing-core v0.1.10 [INFO] [stderr] Downloaded structopt v0.3.15 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded js-sys v0.3.40 [INFO] [stderr] Downloaded tower-retry v0.3.0 [INFO] [stderr] Downloaded tower-util v0.3.1 [INFO] [stderr] Downloaded tower-layer v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a170f333efa10fdd822ef1d2c0c719efe5304c53b859dc3b95b1e75a1ea9f722 [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" "a170f333efa10fdd822ef1d2c0c719efe5304c53b859dc3b95b1e75a1ea9f722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a170f333efa10fdd822ef1d2c0c719efe5304c53b859dc3b95b1e75a1ea9f722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a170f333efa10fdd822ef1d2c0c719efe5304c53b859dc3b95b1e75a1ea9f722", kill_on_drop: false }` [INFO] [stdout] a170f333efa10fdd822ef1d2c0c719efe5304c53b859dc3b95b1e75a1ea9f722 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c4807c5bf4d181a10d07a4c0851e14c194c2d38d5237769883426b1594462d [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" "88c4807c5bf4d181a10d07a4c0851e14c194c2d38d5237769883426b1594462d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.32 [INFO] [stderr] Checking bytes v0.5.5 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking tower-layer v0.3.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling multimap v0.8.1 [INFO] [stderr] Compiling paw-raw v1.0.0 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking rustls v0.17.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling tracing-attributes v0.1.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling async-trait v0.1.36 [INFO] [stderr] Compiling paw v1.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking tracing v0.1.15 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tower-discover v0.3.0 [INFO] [stderr] Checking tower-load-shed v0.3.0 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stderr] Compiling prost-types v0.6.1 [INFO] [stderr] Compiling structopt v0.3.15 [INFO] [stderr] Checking tower-load v0.3.0 [INFO] [stderr] Checking tokio-util v0.3.1 [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 v0.2.0 [INFO] [stderr] Compiling grpc-build v0.0.5 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Checking tower-util v0.3.1 [INFO] [stderr] Checking tower-ready-cache v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Compiling mock-grpc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking tower-balance v0.3.0 [INFO] [stderr] Checking tower v0.3.1 [INFO] [stderr] error: failed to run custom build command for `mock-grpc v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mock-grpc-fc34d30d46723337/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Failed to create the output directory: Os { code: 30, kind: Other, message: "Read-only file system" } [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error("Could not create the output directory")', build.rs:5:57 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55625f2bef50 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55625f2bef50 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55625f2bef50 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55625f2bef50 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55625f2e4c1c - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55625f2bbe17 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x55625f2c17c0 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55625f2c17c0 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55625f2c17c0 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55625f2c150c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55625f2c1e23 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55625f2c19f9 - std::panicking::begin_panic_handler::{{closure}}::h4aa640a9e8494520 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:476 [INFO] [stderr] 12: 0x55625f2bf3bc - std::sys_common::backtrace::__rust_end_short_backtrace::h85d2ae6a90dead9c [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55625f2c19b9 - rust_begin_unwind [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:475 [INFO] [stderr] 14: 0x55625f2e2a91 - core::panicking::panic_fmt::hbf8b471a26c80149 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55625f2e28b3 - core::option::expect_none_failed::hd08bf36cae411fff [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/option.rs:1221 [INFO] [stderr] 16: 0x55625efb02e9 - core::result::Result::unwrap::hb0a58506fef96a8c [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x55625efb0374 - build_script_build::main::h19b4bd53b57a2b28 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:5 [INFO] [stderr] 18: 0x55625efb041b - core::ops::function::FnOnce::call_once::h3cfff818027b1e4e [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x55625efb03be - std::sys_common::backtrace::__rust_begin_short_backtrace::h9c25cd0161dcaa3a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55625efb0221 - std::rt::lang_start::{{closure}}::hfdc4185fe982a88b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55625f2c22f1 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x55625f2c22f1 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 23: 0x55625f2c22f1 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 24: 0x55625f2c22f1 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 25: 0x55625f2c22f1 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55625efb01f7 - std::rt::lang_start::he0e1c6cfe8c21614 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55625efb03aa - main [INFO] [stderr] 28: 0x7f448bd5d0b3 - __libc_start_main [INFO] [stderr] 29: 0x55625efb00de - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "88c4807c5bf4d181a10d07a4c0851e14c194c2d38d5237769883426b1594462d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c4807c5bf4d181a10d07a4c0851e14c194c2d38d5237769883426b1594462d", kill_on_drop: false }` [INFO] [stdout] 88c4807c5bf4d181a10d07a4c0851e14c194c2d38d5237769883426b1594462d