[INFO] cloning repository https://github.com/danielpclark/faster_path
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielpclark/faster_path" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 726c7f75de64ec11b75259dff50248b1fc28ef22
[INFO] documenting danielpclark/faster_path against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielpclark/faster_path on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danielpclark/faster_path
[INFO] finished tweaking git repo https://github.com/danielpclark/faster_path
[INFO] tweaked toml for git repo https://github.com/danielpclark/faster_path written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/danielpclark/faster_path already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rutie v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] d74749eecefacd29ad1311878f664c625bea175f3071e84d2e0e2857a3acdb89
[INFO] running `Command { std: "docker" "start" "-a" "d74749eecefacd29ad1311878f664c625bea175f3071e84d2e0e2857a3acdb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74749eecefacd29ad1311878f664c625bea175f3071e84d2e0e2857a3acdb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74749eecefacd29ad1311878f664c625bea175f3071e84d2e0e2857a3acdb89", kill_on_drop: false }`
[INFO] [stdout] d74749eecefacd29ad1311878f664c625bea175f3071e84d2e0e2857a3acdb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] ea0eaf6a740e957bdb30407ef4cb038cfc0fe0828e36586ccbdc78d35bb31ec4
[INFO] running `Command { std: "docker" "start" "-a" "ea0eaf6a740e957bdb30407ef4cb038cfc0fe0828e36586ccbdc78d35bb31ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rutie v0.6.0
[INFO] [stderr] error: failed to run custom build command for `rutie v0.6.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rutie-b70b8725a33d0036/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/usr/lib
[INFO] [stderr]   cargo:rustc-link-lib=ruby-2.7
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'create_dir_all fail: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:179:46
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bb79081f0d - std::backtrace_rs::backtrace::libunwind::trace::h22893a5306c091b4
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55bb79081f0d - std::backtrace_rs::backtrace::trace_unsynchronized::h29c3bc6f9e91819d
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bb79081f0d - std::sys_common::backtrace::_print_fmt::he497d8a0ec903793
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55bb79081f0d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c2a9d2774d81873
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55bb790a025c - core::fmt::write::hba4337c43d992f49
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x55bb7907f4f1 - std::io::Write::write_fmt::heb73de6e02cfabed
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x55bb790836b5 - std::sys_common::backtrace::_print::h63c8b24acdd8e8ce
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55bb790836b5 - std::sys_common::backtrace::print::h426700d6240cdcc2
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55bb790836b5 - std::panicking::default_hook::{{closure}}::hc9a76eed0b18f82b
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x55bb79083369 - std::panicking::default_hook::h2e88d02087fae196
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x55bb79083c02 - std::panicking::rust_panic_with_hook::habfdcc2e90f9fd4c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x55bb79083ae7 - std::panicking::begin_panic_handler::{{closure}}::he054b2a83a51d2cd
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x55bb790823c4 - std::sys_common::backtrace::__rust_end_short_backtrace::ha48b94ab49b30915
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55bb79083819 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x55bb79042463 - core::panicking::panic_fmt::h366d3a309ae17c94
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x55bb790424f3 - core::result::unwrap_failed::hddd78f4658ac7d0f
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x55bb7905e49b - core::result::Result<T,E>::expect::h3446b9d04db6363c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/result.rs:1035:23
[INFO] [stderr]     17:     0x55bb790494c6 - build_script_build::ruby_lib_link_name::hf804cfa9085f697d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:179:13
[INFO] [stderr]     18:     0x55bb790499de - build_script_build::dynamic_linker_args::haec472130e19eb09
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:208:47
[INFO] [stderr]     19:     0x55bb79049037 - build_script_build::use_dylib::h207a898b5cd55777
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:97:5
[INFO] [stderr]     20:     0x55bb7904ba25 - build_script_build::main::hfb9d16f0b17f4074
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:359:26
[INFO] [stderr]     21:     0x55bb7905ad0b - core::ops::function::FnOnce::call_once::h7e287cb43f4d7f1d
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55bb7905543e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbfda91497303ac67
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     23:     0x55bb79051631 - std::rt::lang_start::{{closure}}::hfc0e6e6a00ab6168
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:145:18
[INFO] [stderr]     24:     0x55bb7907b96e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::had4f69b3aefb47a8
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x55bb7907b96e - std::panicking::try::do_call::hf2ad5355fcafe775
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:492:40
[INFO] [stderr]     26:     0x55bb7907b96e - std::panicking::try::h0a63ac363423e61e
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:456:19
[INFO] [stderr]     27:     0x55bb7907b96e - std::panic::catch_unwind::h18088edcecb8693a
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panic.rs:137:14
[INFO] [stderr]     28:     0x55bb7907b96e - std::rt::lang_start_internal::{{closure}}::ha7dad166dc711761
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:128:48
[INFO] [stderr]     29:     0x55bb7907b96e - std::panicking::try::do_call::hda0c61bf3a57d6e6
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:492:40
[INFO] [stderr]     30:     0x55bb7907b96e - std::panicking::try::hbc940e68560040a9
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:456:19
[INFO] [stderr]     31:     0x55bb7907b96e - std::panic::catch_unwind::haed0df2aeb3fa368
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panic.rs:137:14
[INFO] [stderr]     32:     0x55bb7907b96e - std::rt::lang_start_internal::h9c06694362b5b80c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:128:20
[INFO] [stderr]     33:     0x55bb79051600 - std::rt::lang_start::h19cd0772f4a810dc
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:144:17
[INFO] [stderr]     34:     0x55bb7904bb5c - main
[INFO] [stderr]     35:     0x7f25a377a0b3 - __libc_start_main
[INFO] [stderr]     36:     0x55bb7904265e - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ea0eaf6a740e957bdb30407ef4cb038cfc0fe0828e36586ccbdc78d35bb31ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0eaf6a740e957bdb30407ef4cb038cfc0fe0828e36586ccbdc78d35bb31ec4", kill_on_drop: false }`
[INFO] [stdout] ea0eaf6a740e957bdb30407ef4cb038cfc0fe0828e36586ccbdc78d35bb31ec4