[INFO] cloning repository https://github.com/Damezuma/rs-threads-board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Damezuma/rs-threads-board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDamezuma%2Frs-threads-board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDamezuma%2Frs-threads-board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6df16bece8d743abd198b8194c715383be26d585
[INFO] documenting Damezuma/rs-threads-board against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDamezuma%2Frs-threads-board" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Damezuma/rs-threads-board 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 git repo https://github.com/Damezuma/rs-threads-board
[INFO] finished tweaking git repo https://github.com/Damezuma/rs-threads-board
[INFO] tweaked toml for git repo https://github.com/Damezuma/rs-threads-board written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Damezuma/rs-threads-board 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime_guess v1.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded mysql_common v0.2.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded twox-hash v1.1.0
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded named_pipe v0.2.4
[INFO] [stderr]   Downloaded base64 v0.3.1
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded brotli-sys v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded multipart v0.5.1
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded smallvec v0.4.3
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded buf_redux v0.1.3
[INFO] [stderr]   Downloaded md5 v0.3.5
[INFO] [stderr]   Downloaded mysql v12.0.3
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded atoi v0.2.2
[INFO] [stderr]   Downloaded brotli2 v0.2.2
[INFO] [stderr]   Downloaded ructe v0.3.4
[INFO] [stderr]   Downloaded filetime v0.1.12
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded rouille v1.0.3
[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] 7d157743923e70b799a63122eaf193d7a913906e833afd44f5668105f3fb9698
[INFO] running `Command { std: "docker" "start" "-a" "7d157743923e70b799a63122eaf193d7a913906e833afd44f5668105f3fb9698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d157743923e70b799a63122eaf193d7a913906e833afd44f5668105f3fb9698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d157743923e70b799a63122eaf193d7a913906e833afd44f5668105f3fb9698", kill_on_drop: false }`
[INFO] [stdout] 7d157743923e70b799a63122eaf193d7a913906e833afd44f5668105f3fb9698
[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] e5dabebd58b63bcb2b9bb79d8356a09e2aa771f9bdd609762115c199abc1d8f1
[INFO] running `Command { std: "docker" "start" "-a" "e5dabebd58b63bcb2b9bb79d8356a09e2aa771f9bdd609762115c199abc1d8f1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling base64 v0.3.1
[INFO] [stderr]    Compiling mime_guess v1.5.0
[INFO] [stderr]     Checking mime v0.1.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.5.0`
[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/mime_guess-ef6d7b1458af5ce0/build-script-gen_mime_types` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mime_guess-1.5.0/src/gen_mime_types.rs:16:67:
[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:     0x56149cae208c - 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:     0x56149cae208c - 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:     0x56149cae208c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56149cae208c - <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:     0x56149cb02980 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x56149cb02980 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x56149cae053f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]      7:     0x56149cae1e74 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x56149cae1e74 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x56149cae3387 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]     10:     0x56149cae30ef - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x56149cae3808 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x56149cae36ee - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x56149cae2556 - 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:     0x56149cae3452 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x56149caade55 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x56149caae2b3 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stderr]     17:     0x56149cabe964 - core::result::Result<T,E>::unwrap::h22a7f15505f77ec1
[INFO] [stderr]     18:     0x56149cac29b6 - build_script_gen_mime_types::main::hdf191b1ea8b677df
[INFO] [stderr]     19:     0x56149cabd273 - core::ops::function::FnOnce::call_once::h0e2340c12832d177
[INFO] [stderr]     20:     0x56149cac0566 - std::sys_common::backtrace::__rust_begin_short_backtrace::hacbaeb8e9131b29e
[INFO] [stderr]     21:     0x56149cac0639 - std::rt::lang_start::{{closure}}::h869a671b7b2b5d51
[INFO] [stderr]     22:     0x56149caddfe7 - 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:     0x56149caddfe7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x56149caddfe7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x56149caddfe7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x56149caddfe7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x56149caddfe7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x56149caddfe7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x56149caddfe7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x56149caddfe7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x56149cac0617 - std::rt::lang_start::h20ff5caa44d273df
[INFO] [stderr]     32:     0x56149cac2db5 - main
[INFO] [stderr]     33:     0x7f33271a0d90 - <unknown>
[INFO] [stderr]     34:     0x7f33271a0e40 - __libc_start_main
[INFO] [stderr]     35:     0x56149caae575 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5dabebd58b63bcb2b9bb79d8356a09e2aa771f9bdd609762115c199abc1d8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5dabebd58b63bcb2b9bb79d8356a09e2aa771f9bdd609762115c199abc1d8f1", kill_on_drop: false }`
[INFO] [stdout] e5dabebd58b63bcb2b9bb79d8356a09e2aa771f9bdd609762115c199abc1d8f1
