[INFO] cloning repository https://github.com/charleszheng44/mapreduce-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charleszheng44/mapreduce-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fmapreduce-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fmapreduce-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c4f8825c6a1695175a7dbd90fbb794f97c94437 [INFO] testing charleszheng44/mapreduce-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fmapreduce-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/charleszheng44/mapreduce-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/charleszheng44/mapreduce-rs [INFO] finished tweaking git repo https://github.com/charleszheng44/mapreduce-rs [INFO] tweaked toml for git repo https://github.com/charleszheng44/mapreduce-rs written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/charleszheng44/mapreduce-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecebc5e6eed076811ef7cbecf134e2c6c5f65e954f0bf4210c29341f41be296a [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" "ecebc5e6eed076811ef7cbecf134e2c6c5f65e954f0bf4210c29341f41be296a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecebc5e6eed076811ef7cbecf134e2c6c5f65e954f0bf4210c29341f41be296a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecebc5e6eed076811ef7cbecf134e2c6c5f65e954f0bf4210c29341f41be296a", kill_on_drop: false }` [INFO] [stdout] ecebc5e6eed076811ef7cbecf134e2c6c5f65e954f0bf4210c29341f41be296a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80f7be03130efb2a91069e3bfdf71612c2a25bc78faa4c7469e0f93b6c8020b8 [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" "80f7be03130efb2a91069e3bfdf71612c2a25bc78faa4c7469e0f93b6c8020b8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling anyhow v1.0.47 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling tower-layer v0.3.1 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling libloading v0.7.1 [INFO] [stderr] Compiling http v0.2.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling which v4.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling prost-build v0.9.0 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling nix v0.23.0 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tokio-macros v1.6.0 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling async-stream v0.2.1 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling prost v0.9.0 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling prost-types v0.9.0 [INFO] [stderr] Compiling tonic-build v0.6.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling mapreduce-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling tokio-io-timeout v1.1.1 [INFO] [stderr] Compiling h2 v0.3.7 [INFO] [stderr] Compiling tower v0.4.11 [INFO] [stderr] error: failed to run custom build command for `mapreduce-rs v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mapreduce-rs-ec57aa49429e310f/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'protobuf compilation failed: Read-only file system (os error 30)', build.rs:9:29 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5639267be4dc - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5639267be4dc - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5639267be4dc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5639267be4dc - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5639267de39c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5639267bad35 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5639267c0380 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5639267c0380 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5639267c0380 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5639267bff2b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5639267c0a59 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:610:17 [INFO] [stderr] 11: 0x5639267c0510 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5639267be994 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5639267c0479 - rust_begin_unwind [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x56392633f7b1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x56392634a709 - build_script_build::main::{{closure}}::he65f676bd69ce2c6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9:29 [INFO] [stderr] 16: 0x5639263400f7 - core::result::Result::unwrap_or_else::h4e0ddda12c16c99c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1083:23 [INFO] [stderr] 17: 0x56392634a531 - build_script_build::main::hb94faa7b54e168f7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4:5 [INFO] [stderr] 18: 0x56392636fd8b - core::ops::function::FnOnce::call_once::hf21a67bccc93c379 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56392634c42e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc63d40551b1860f9 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x56392634a7a1 - std::rt::lang_start::{{closure}}::h78d17de274388dc1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x5639267bdd21 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5639267bdd21 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x5639267bdd21 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x5639267bdd21 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x5639267bdd21 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x5639267bdd21 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x5639267bdd21 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x5639267bdd21 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x5639267bdd21 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x56392634a770 - std::rt::lang_start::h2d108e9be5de5ba9 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x56392634a73c - main [INFO] [stderr] 32: 0x7f4715cbb0b3 - __libc_start_main [INFO] [stderr] 33: 0x56392633ff0e - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "80f7be03130efb2a91069e3bfdf71612c2a25bc78faa4c7469e0f93b6c8020b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80f7be03130efb2a91069e3bfdf71612c2a25bc78faa4c7469e0f93b6c8020b8", kill_on_drop: false }` [INFO] [stdout] 80f7be03130efb2a91069e3bfdf71612c2a25bc78faa4c7469e0f93b6c8020b8