[INFO] fetching crate pipebuilder_mock 0.1.0...
[INFO] documenting pipebuilder_mock-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate pipebuilder_mock 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pipebuilder_mock 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipebuilder_mock 0.1.0
[INFO] finished tweaking crates.io crate pipebuilder_mock 0.1.0
[INFO] tweaked toml for crates.io crate pipebuilder_mock 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pipebuilder_mock 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.5.2
[INFO] [stderr]   Downloaded prost v0.8.0
[INFO] [stderr]   Downloaded fraction v0.9.0
[INFO] [stderr]   Downloaded iso8601 v0.4.1
[INFO] [stderr]   Downloaded fslock v0.2.1
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded pipebuilder_common v0.2.2
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded warp v0.3.2
[INFO] [stderr]   Downloaded jsonschema v0.13.3
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded tonic v0.5.2
[INFO] [stderr]   Downloaded pipegen v0.2.1
[INFO] [stderr]   Downloaded etcd-client v0.7.2
[INFO] [stderr]   Downloaded prost-build v0.8.0
[INFO] [stderr]   Downloaded prost-derive v0.8.0
[INFO] [stderr]   Downloaded prost-types v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac03ecbce3fb37170a1ac76d9c93f50bad2b7f58dca8ef66eebf1abb0bc8510
[INFO] running `Command { std: "docker" "start" "-a" "0ac03ecbce3fb37170a1ac76d9c93f50bad2b7f58dca8ef66eebf1abb0bc8510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac03ecbce3fb37170a1ac76d9c93f50bad2b7f58dca8ef66eebf1abb0bc8510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac03ecbce3fb37170a1ac76d9c93f50bad2b7f58dca8ef66eebf1abb0bc8510", kill_on_drop: false }`
[INFO] [stdout] 0ac03ecbce3fb37170a1ac76d9c93f50bad2b7f58dca8ef66eebf1abb0bc8510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a59f5ade77f3b56404b0149797655f6634c95aa8cfc81d51c356ad94701cce
[INFO] running `Command { std: "docker" "start" "-a" "c6a59f5ade77f3b56404b0149797655f6634c95aa8cfc81d51c356ad94701cce", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling fixedbitset v0.4.1
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[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr]    Compiling etcd-client v0.7.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.20.1
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pipebuilder_common v0.2.2
[INFO] [stderr]     Checking fraction v0.9.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking iso8601 v0.4.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking pipegen v0.2.1
[INFO] [stderr] error: failed to run custom build command for `pipebuilder_common v0.2.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pipebuilder_common-2459bd9bbdf1ab30/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pipebuilder_common-0.2.2/build.rs:5:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e07804d17c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55e07804d17c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e07804d17c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e07804d17c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55e078072210 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55e078072210 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55e07804aeff - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]      7:     0x55e07804cf64 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55e07804cf64 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55e07804e477 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]     10:     0x55e07804e1df - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55e07804e8f8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55e07804e7de - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55e07804d646 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]     14:     0x55e07804e542 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55e077d1a6e5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55e077d1ac73 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stderr]     17:     0x55e077d4275b - core::result::Result<T,E>::unwrap::h2d80a881a92ad448
[INFO] [stderr]     18:     0x55e077d20324 - build_script_build::main::h96c3709c18532a88
[INFO] [stderr]     19:     0x55e077d2b683 - core::ops::function::FnOnce::call_once::h2d04fdc9a132a83d
[INFO] [stderr]     20:     0x55e077d2b456 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdb5ea0325ee34eef
[INFO] [stderr]     21:     0x55e077d1b529 - std::rt::lang_start::{{closure}}::h92c9633b6817fef2
[INFO] [stderr]     22:     0x55e078046707 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55e078046707 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55e078046707 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55e078046707 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55e078046707 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55e078046707 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55e078046707 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55e078046707 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55e078046707 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55e077d1b507 - std::rt::lang_start::h3251693a7eee396b
[INFO] [stderr]     32:     0x55e077d204d5 - main
[INFO] [stderr]     33:     0x7fef427ced90 - <unknown>
[INFO] [stderr]     34:     0x7fef427cee40 - __libc_start_main
[INFO] [stderr]     35:     0x55e077d1af75 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c6a59f5ade77f3b56404b0149797655f6634c95aa8cfc81d51c356ad94701cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a59f5ade77f3b56404b0149797655f6634c95aa8cfc81d51c356ad94701cce", kill_on_drop: false }`
[INFO] [stdout] c6a59f5ade77f3b56404b0149797655f6634c95aa8cfc81d51c356ad94701cce
