[INFO] cloning repository https://github.com/kofmatsugen/debug_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kofmatsugen/debug_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bf03147be8de3c35ef9d5eea60387f5670542d8
[INFO] documenting kofmatsugen/debug_system against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kofmatsugen/debug_system on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kofmatsugen/debug_system
[INFO] finished tweaking git repo https://github.com/kofmatsugen/debug_system
[INFO] tweaked toml for git repo https://github.com/kofmatsugen/debug_system written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kofmatsugen/debug_system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02e6c19868fbf39901af6eaa47d50b7dfe64093ec058a630818bcca053817d60
[INFO] running `Command { std: "docker" "start" "-a" "02e6c19868fbf39901af6eaa47d50b7dfe64093ec058a630818bcca053817d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02e6c19868fbf39901af6eaa47d50b7dfe64093ec058a630818bcca053817d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e6c19868fbf39901af6eaa47d50b7dfe64093ec058a630818bcca053817d60", kill_on_drop: false }`
[INFO] [stdout] 02e6c19868fbf39901af6eaa47d50b7dfe64093ec058a630818bcca053817d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74e37c45e0efc9cabb423b56c0602652ccdf5a48e68caaec6052bfc32754b91
[INFO] running `Command { std: "docker" "start" "-a" "a74e37c45e0efc9cabb423b56c0602652ccdf5a48e68caaec6052bfc32754b91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking hashbrown v0.3.0
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking stackvector v1.0.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling gfx_macros v0.2.1
[INFO] [stderr]     Checking intl_pluralrules v1.0.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-47e5afe65ef8ea84/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56065feb5b60 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56065feb5b60 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56065feb5b60 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56065feb5b60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56065fed2c2c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x56065feb3c45 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x56065feb77fb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56065feb77fb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56065feb77fb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56065feb72d1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56065feb7ec4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56065feb79a7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56065feb605c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56065feb7909 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x56065fe81051 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56065fe810e3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x56065fe84d8e - core::result::Result<T,E>::unwrap::h9940239cc384fb82
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x56065fe8234e - build_script_build::main::h800f7008ac39a9d9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr]     18:     0x56065fe8378b - core::ops::function::FnOnce::call_once::h3d3dfb40bc8a1ed9
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x56065fe836ce - std::sys_common::backtrace::__rust_begin_short_backtrace::he84a92ea5f3793fe
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x56065fe834a1 - std::rt::lang_start::{{closure}}::h7893dc45fd33aea3
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x56065feb83c9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x56065feb83c9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x56065feb83c9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x56065feb83c9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x56065feb83c9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x56065fe83480 - std::rt::lang_start::hde5ac5df8aa1794d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x56065fe8344c - main
[INFO] [stderr]     28:     0x7f29eb2070b3 - __libc_start_main
[INFO] [stderr]     29:     0x56065fe817ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a74e37c45e0efc9cabb423b56c0602652ccdf5a48e68caaec6052bfc32754b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74e37c45e0efc9cabb423b56c0602652ccdf5a48e68caaec6052bfc32754b91", kill_on_drop: false }`
[INFO] [stdout] a74e37c45e0efc9cabb423b56c0602652ccdf5a48e68caaec6052bfc32754b91
