[INFO] fetching crate firestore_grpc 0.29.0...
[INFO] documenting firestore_grpc-0.29.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate firestore_grpc 0.29.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate firestore_grpc 0.29.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firestore_grpc 0.29.0
[INFO] finished tweaking crates.io crate firestore_grpc 0.29.0
[INFO] tweaked toml for crates.io crate firestore_grpc 0.29.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 51b9ea4d338e565b6dc9e49fd6561d184aac0e3ea2e158c39862c7d930b10aab
[INFO] running `Command { std: "docker" "start" "-a" "51b9ea4d338e565b6dc9e49fd6561d184aac0e3ea2e158c39862c7d930b10aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b9ea4d338e565b6dc9e49fd6561d184aac0e3ea2e158c39862c7d930b10aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b9ea4d338e565b6dc9e49fd6561d184aac0e3ea2e158c39862c7d930b10aab", kill_on_drop: false }`
[INFO] [stdout] 51b9ea4d338e565b6dc9e49fd6561d184aac0e3ea2e158c39862c7d930b10aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49ba7af3a8f43aef1206b0b1b981fc1f66160cec4ca6625bfe054cdc4ee79dc5
[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" "49ba7af3a8f43aef1206b0b1b981fc1f66160cec4ca6625bfe054cdc4ee79dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]     Checking tokio-rustls v0.12.3
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling firestore_grpc v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr] error: failed to run custom build command for `firestore_grpc v0.29.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/firestore_grpc-95468824988f0817/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   out: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "error: \'rustfmt\' is not installed for the toolchain \'1.47.0-x86_64-unknown-linux-gnu\'\nTo install, run `rustup component add rustfmt --toolchain 1.47.0-x86_64-unknown-linux-gnu`\n" }
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: out.status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:229:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55dbe174d8a0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55dbe174d8a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55dbe174d8a0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55dbe174d8a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55dbe177355c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55dbe174a957 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55dbe17500c0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55dbe17500c0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55dbe17500c0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55dbe174fe0c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55dbe1750748 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:573
[INFO] [stderr]     11:     0x55dbe16d992c - std::panicking::begin_panic::{{closure}}::h35694552585ef489
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]     12:     0x55dbe16d9d09 - std::sys_common::backtrace::__rust_end_short_backtrace::h5e1def4db8cb512b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55dbe16d9857 - std::panicking::begin_panic::hc70a88025610d92d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]     14:     0x55dbe148fa36 - tonic_build::fmt::hdd0220048f114c07
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:229
[INFO] [stderr]     15:     0x55dbe146255d - tonic_build::Builder::compile::hcf9adf9173777a7a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:172
[INFO] [stderr]     16:     0x55dbe1465e42 - build_script_build::main::hee0960f5de86a964
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2
[INFO] [stderr]     17:     0x55dbe146308b - core::ops::function::FnOnce::call_once::h3b0839394dd01944
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x55dbe146091e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdd73cf469e74c9c5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x55dbe1465311 - std::rt::lang_start::{{closure}}::h42bb4f55bb9d95c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x55dbe1750bf1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x55dbe1750bf1 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     22:     0x55dbe1750bf1 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     23:     0x55dbe1750bf1 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     24:     0x55dbe1750bf1 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x55dbe14652e7 - std::rt::lang_start::hc7da71a4f6e1709b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x55dbe1465f3a - main
[INFO] [stderr]     27:     0x7f669ea210b3 - __libc_start_main
[INFO] [stderr]     28:     0x55dbe144c0de - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "49ba7af3a8f43aef1206b0b1b981fc1f66160cec4ca6625bfe054cdc4ee79dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ba7af3a8f43aef1206b0b1b981fc1f66160cec4ca6625bfe054cdc4ee79dc5", kill_on_drop: false }`
[INFO] [stdout] 49ba7af3a8f43aef1206b0b1b981fc1f66160cec4ca6625bfe054cdc4ee79dc5
