[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] checking danielpclark/faster_path against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielpclark/faster_path on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-11/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f021f6602a67e914234afb0fb49f99d7e0dafbb62bc31bae1036f7d9a08dc621
[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" "f021f6602a67e914234afb0fb49f99d7e0dafbb62bc31bae1036f7d9a08dc621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f021f6602a67e914234afb0fb49f99d7e0dafbb62bc31bae1036f7d9a08dc621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f021f6602a67e914234afb0fb49f99d7e0dafbb62bc31bae1036f7d9a08dc621", kill_on_drop: false }`
[INFO] [stdout] f021f6602a67e914234afb0fb49f99d7e0dafbb62bc31bae1036f7d9a08dc621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6ecae180d6194c42a5965be99a208e5372fd97258fada6ef69275757fd5ab1d
[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" "e6ecae180d6194c42a5965be99a208e5372fd97258fada6ef69275757fd5ab1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rutie v0.6.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[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-17a8a640469ce766/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:     0x55f622591a9c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55f622591a9c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f622591a9c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f622591a9c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f6225afcec - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55f62258e575 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55f6225930a0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f6225930a0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f6225930a0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55f622592c4b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55f622593754 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55f622593230 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x55f622591f54 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55f622593199 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55f622553131 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55f6225531c3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x55f62256b6c8 - core::result::Result<T,E>::expect::h1bf7c3a57db9bcfb
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x55f622560a36 - build_script_build::ruby_lib_link_name::h92f02262d3501d40
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:179:13
[INFO] [stderr]     18:     0x55f622561033 - build_script_build::dynamic_linker_args::h3a48acb217e6077f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:208:47
[INFO] [stderr]     19:     0x55f622560515 - build_script_build::use_dylib::h17fa11af0af4d837
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:97:5
[INFO] [stderr]     20:     0x55f622563194 - build_script_build::main::h9931db4eebab9775
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:359:26
[INFO] [stderr]     21:     0x55f622569f3b - core::ops::function::FnOnce::call_once::h2c9bf9db00e2db88
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55f6225638de - std::sys_common::backtrace::__rust_begin_short_backtrace::hac3a617f9dda756e
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     23:     0x55f6225639f1 - std::rt::lang_start::{{closure}}::h01573e753ad046f2
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:145:18
[INFO] [stderr]     24:     0x55f6225912e1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x55f6225912e1 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:406:40
[INFO] [stderr]     26:     0x55f6225912e1 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:370:19
[INFO] [stderr]     27:     0x55f6225912e1 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panic.rs:133:14
[INFO] [stderr]     28:     0x55f6225912e1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:128:48
[INFO] [stderr]     29:     0x55f6225912e1 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:406:40
[INFO] [stderr]     30:     0x55f6225912e1 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:370:19
[INFO] [stderr]     31:     0x55f6225912e1 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panic.rs:133:14
[INFO] [stderr]     32:     0x55f6225912e1 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:128:20
[INFO] [stderr]     33:     0x55f6225639c0 - std::rt::lang_start::ha1f760b7a6bb6397
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:144:17
[INFO] [stderr]     34:     0x55f6225632ec - main
[INFO] [stderr]     35:     0x7f488b4cc0b3 - __libc_start_main
[INFO] [stderr]     36:     0x55f62255382e - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6ecae180d6194c42a5965be99a208e5372fd97258fada6ef69275757fd5ab1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ecae180d6194c42a5965be99a208e5372fd97258fada6ef69275757fd5ab1d", kill_on_drop: false }`
[INFO] [stdout] e6ecae180d6194c42a5965be99a208e5372fd97258fada6ef69275757fd5ab1d