[INFO] fetching crate net-serial-console 0.3.7...
[INFO] documenting net-serial-console-0.3.7 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate net-serial-console 0.3.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate net-serial-console 0.3.7 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate net-serial-console 0.3.7
[INFO] finished tweaking crates.io crate net-serial-console 0.3.7
[INFO] tweaked toml for crates.io crate net-serial-console 0.3.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate net-serial-console 0.3.7 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded itoap v1.0.1
[INFO] [stderr]   Downloaded tracing-core v0.1.23
[INFO] [stderr]   Downloaded build-data v0.1.3
[INFO] [stderr]   Downloaded sailfish-compiler v0.4.0
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] [stderr]   Downloaded sailfish v0.4.0
[INFO] [stderr]   Downloaded sailfish-macros v0.4.0
[INFO] [stderr]   Downloaded mio-serial v5.0.2
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded tokio-serial v5.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee7255896bb2e30aa7aa179bc4a9bb5334cc43fb7e8de7d9ad5cb767214e2243
[INFO] running `Command { std: "docker" "start" "-a" "ee7255896bb2e30aa7aa179bc4a9bb5334cc43fb7e8de7d9ad5cb767214e2243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee7255896bb2e30aa7aa179bc4a9bb5334cc43fb7e8de7d9ad5cb767214e2243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7255896bb2e30aa7aa179bc4a9bb5334cc43fb7e8de7d9ad5cb767214e2243", kill_on_drop: false }`
[INFO] [stdout] ee7255896bb2e30aa7aa179bc4a9bb5334cc43fb7e8de7d9ad5cb767214e2243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] add78ed74a84955d0640f01cec82a877124cdc8a94973d0074beb19d7a48f3e1
[INFO] running `Command { std: "docker" "start" "-a" "add78ed74a84955d0640f01cec82a877124cdc8a94973d0074beb19d7a48f3e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.36
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling safe-quote v1.0.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling sailfish-compiler v0.4.0
[INFO] [stderr]    Compiling safe-regex-compiler v0.2.5
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling safe-regex-macro v0.2.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling safe-lock v0.1.3
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling safe-regex v0.2.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling build-data v0.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling sailfish v0.4.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]    Compiling net-serial-console v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr] error: failed to run custom build command for `net-serial-console v0.3.7 (/opt/rustwide/workdir)`
[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/net-serial-console-c64df05ce00c4fc9/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "command 'git rev-parse --abbrev-ref=loose HEAD' failed: exit=128 stdout='' stderr='fatal: not a git repository (or any parent up to mount point /opt/rustwide)\\nStopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).\\n'"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/build-data-0.1.3/src/lib.rs:634:64
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5587fcb35f5a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5587fcb35f5a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5587fcb35f5a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x5587fcb35f5a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5587fcb5395e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stderr]      5:     0x5587fcb33c15 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stderr]      6:     0x5587fcb35d25 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x5587fcb35d25 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x5587fcb3737f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stderr]      9:     0x5587fcb370bb - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stderr]     10:     0x5587fcb37928 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stderr]     11:     0x5587fcb37829 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stderr]     12:     0x5587fcb363c6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stderr]     13:     0x5587fcb37532 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stderr]     14:     0x5587fcafc343 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stderr]     15:     0x5587fcafc733 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stderr]     16:     0x5587fcb02d24 - core::result::Result<T,E>::unwrap::h5209dc14b06234a3
[INFO] [stderr]     17:     0x5587fcafff77 - build_data::set_GIT_BRANCH::h0f0a6f20c03ff33f
[INFO] [stderr]     18:     0x5587fcafca37 - build_script_build::main::hee631d04c7be036c
[INFO] [stderr]     19:     0x5587fcafc9d3 - core::ops::function::FnOnce::call_once::hcc4231b0c85eca4d
[INFO] [stderr]     20:     0x5587fcafc9b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5e12c08ad7f13a18
[INFO] [stderr]     21:     0x5587fcafc989 - std::rt::lang_start::{{closure}}::h8fdf315c199340fc
[INFO] [stderr]     22:     0x5587fcb30f0c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stderr]     23:     0x5587fcb30f0c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stderr]     24:     0x5587fcb30f0c - std::panicking::try::h3342dd4e1f680968
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stderr]     25:     0x5587fcb30f0c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stderr]     26:     0x5587fcb30f0c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x5587fcb30f0c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stderr]     28:     0x5587fcb30f0c - std::panicking::try::he7d15285746cbbc2
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stderr]     29:     0x5587fcb30f0c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stderr]     30:     0x5587fcb30f0c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x5587fcafc967 - std::rt::lang_start::he9a75cdff8a0f20c
[INFO] [stderr]     32:     0x5587fcafca75 - main
[INFO] [stderr]     33:     0x7f8c36afbd90 - <unknown>
[INFO] [stderr]     34:     0x7f8c36afbe40 - __libc_start_main
[INFO] [stderr]     35:     0x5587fcafc875 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "add78ed74a84955d0640f01cec82a877124cdc8a94973d0074beb19d7a48f3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add78ed74a84955d0640f01cec82a877124cdc8a94973d0074beb19d7a48f3e1", kill_on_drop: false }`
[INFO] [stdout] add78ed74a84955d0640f01cec82a877124cdc8a94973d0074beb19d7a48f3e1
