[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] testing danielpclark/faster_path against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielpclark/faster_path on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9ee3b809e46605d453876d28dab5f490dd0cd3aec9d40de62c525afd895a8d35
[INFO] running `Command { std: "docker" "start" "-a" "9ee3b809e46605d453876d28dab5f490dd0cd3aec9d40de62c525afd895a8d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee3b809e46605d453876d28dab5f490dd0cd3aec9d40de62c525afd895a8d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee3b809e46605d453876d28dab5f490dd0cd3aec9d40de62c525afd895a8d35", kill_on_drop: false }`
[INFO] [stdout] 9ee3b809e46605d453876d28dab5f490dd0cd3aec9d40de62c525afd895a8d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037086dc8f77512f7e47ea031cf63819fad5ad282c3734444e0d141c2314872b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "037086dc8f77512f7e47ea031cf63819fad5ad282c3734444e0d141c2314872b", 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-cb6ba89de6e7d2bd/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:     0x563294a23f0d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x563294a23f0d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563294a23f0d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x563294a23f0d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h26f189e611080a74
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x563294a4225c - core::fmt::write::hfb5d11dfe037e8b7
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x563294a214f1 - std::io::Write::write_fmt::ha30651f608022a46
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x563294a256b5 - std::sys_common::backtrace::_print::h7a0e44402913ba60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x563294a256b5 - std::sys_common::backtrace::print::h9767dc455a84e728
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x563294a256b5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x563294a25369 - std::panicking::default_hook::ha7b9bac6813f9d21
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x563294a25c02 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x563294a25ae7 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x563294a243c4 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x563294a25819 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x5632949e4463 - core::panicking::panic_fmt::h5c41cb2fa118fdbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x5632949e44f3 - core::result::unwrap_failed::h6bc7b183ec719494
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x563294a0052b - core::result::Result<T,E>::expect::h155cee0bd831e19d
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1035:23
[INFO] [stderr]     17:     0x5632949eb4c6 - build_script_build::ruby_lib_link_name::ha6ad028a1d6f9e0f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:179:13
[INFO] [stderr]     18:     0x5632949eb9de - build_script_build::dynamic_linker_args::hb3b96a26cbf2efe0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:208:47
[INFO] [stderr]     19:     0x5632949eb037 - build_script_build::use_dylib::hbb19de39c24896ff
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:97:5
[INFO] [stderr]     20:     0x5632949eda25 - build_script_build::main::h1c5f6a1674bb8885
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:359:26
[INFO] [stderr]     21:     0x5632949fce1b - core::ops::function::FnOnce::call_once::hdc113399eb1cd7d2
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x5632949f743e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbc33d93eec4c8ab3
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     23:     0x5632949f3631 - std::rt::lang_start::{{closure}}::h03a601898b56eb37
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:145:18
[INFO] [stderr]     24:     0x563294a1d96e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae31cd38f966dcbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x563294a1d96e - std::panicking::try::do_call::h4a4c12a32b804624
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     26:     0x563294a1d96e - std::panicking::try::h87f80f5db1929b60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     27:     0x563294a1d96e - std::panic::catch_unwind::hbc53afd5a2bdc195
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     28:     0x563294a1d96e - std::rt::lang_start_internal::{{closure}}::h2e62ddd08385fac8
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:48
[INFO] [stderr]     29:     0x563294a1d96e - std::panicking::try::do_call::h04b85b79b362213e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     30:     0x563294a1d96e - std::panicking::try::h428fba6a4941d8ed
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     31:     0x563294a1d96e - std::panic::catch_unwind::hd73c90258412492e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     32:     0x563294a1d96e - std::rt::lang_start_internal::h26255896a96668b5
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:20
[INFO] [stderr]     33:     0x5632949f3600 - std::rt::lang_start::hbc5f953900f3ae04
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:144:17
[INFO] [stderr]     34:     0x5632949edb5c - main
[INFO] [stderr]     35:     0x7f11bd5d90b3 - __libc_start_main
[INFO] [stderr]     36:     0x5632949e465e - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "037086dc8f77512f7e47ea031cf63819fad5ad282c3734444e0d141c2314872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037086dc8f77512f7e47ea031cf63819fad5ad282c3734444e0d141c2314872b", kill_on_drop: false }`
[INFO] [stdout] 037086dc8f77512f7e47ea031cf63819fad5ad282c3734444e0d141c2314872b