[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 try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Ffaster_path" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielpclark/faster_path on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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-7/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" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d3871621d17f0d7a539031787ef245876c68ca41cfa3becf069ee69d805c6a1
[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" "1d3871621d17f0d7a539031787ef245876c68ca41cfa3becf069ee69d805c6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3871621d17f0d7a539031787ef245876c68ca41cfa3becf069ee69d805c6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3871621d17f0d7a539031787ef245876c68ca41cfa3becf069ee69d805c6a1", kill_on_drop: false }`
[INFO] [stdout] 1d3871621d17f0d7a539031787ef245876c68ca41cfa3becf069ee69d805c6a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f0fd87094195d0a1b96697922dd6d4d23fe06008307e05d659764a2601a3a98
[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" "0f0fd87094195d0a1b96697922dd6d4d23fe06008307e05d659764a2601a3a98", 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-a6f3691f1b728cc6/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: Other, 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:     0x56244d9d9560 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56244d9d9560 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56244d9d9560 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56244d9d9560 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56244d9f3c0f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x56244d9d6c65 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/io/mod.rs:1578:15
[INFO] [stderr]      6:     0x56244d9db12b - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56244d9db12b - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56244d9db12b - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56244d9dabf3 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56244d9db6dd - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56244d9db2d7 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56244d9d9a1c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56244d9db239 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56244d99b2b1 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56244d99b343 - core::result::unwrap_failed::hbee7d9f7831678f0
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x56244d9b2800 - core::result::Result<T,E>::expect::h6504f69f41aa3da3
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x56244d9b5230 - build_script_build::ruby_lib_link_name::h69e147c307f1f339
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:179:13
[INFO] [stderr]     18:     0x56244d9b592f - build_script_build::dynamic_linker_args::h6a0c9c5efc20ae47
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:208:47
[INFO] [stderr]     19:     0x56244d9b4de8 - build_script_build::use_dylib::h01f6efcd3072da90
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:97:5
[INFO] [stderr]     20:     0x56244d9b7b78 - build_script_build::main::h15643e998f358c9c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.6.0/build.rs:359:26
[INFO] [stderr]     21:     0x56244d9b9d5b - core::ops::function::FnOnce::call_once::h9852cfa4ec5f0f97
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x56244d9b1d0e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc581a58095b9bcba
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     23:     0x56244d9abfb1 - std::rt::lang_start::{{closure}}::he38e4eec3ef5a58a
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/rt.rs:66:18
[INFO] [stderr]     24:     0x56244d9dbada - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x56244d9dbada - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:379:40
[INFO] [stderr]     26:     0x56244d9dbada - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panicking.rs:343:19
[INFO] [stderr]     27:     0x56244d9dbada - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/panic.rs:431:14
[INFO] [stderr]     28:     0x56244d9dbada - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/rt.rs:51:25
[INFO] [stderr]     29:     0x56244d9abf90 - std::rt::lang_start::h0778d1a2729e7f79
[INFO] [stderr]                                  at /rustc/4a04890980766cc79878135f5ade8c0c4321e943/library/std/src/rt.rs:65:5
[INFO] [stderr]     30:     0x56244d9b7d5c - main
[INFO] [stderr]     31:     0x7f3bd67670b3 - __libc_start_main
[INFO] [stderr]     32:     0x56244d99b9ae - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0f0fd87094195d0a1b96697922dd6d4d23fe06008307e05d659764a2601a3a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0fd87094195d0a1b96697922dd6d4d23fe06008307e05d659764a2601a3a98", kill_on_drop: false }`
[INFO] [stdout] 0f0fd87094195d0a1b96697922dd6d4d23fe06008307e05d659764a2601a3a98