[INFO] cloning repository https://github.com/felix-d/extending-ruby-with-rust-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felix-d/extending-ruby-with-rust-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelix-d%2Fextending-ruby-with-rust-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelix-d%2Fextending-ruby-with-rust-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21599a8a59e10eee2b08ff4439e98f996d7b4417
[INFO] testing felix-d/extending-ruby-with-rust-benchmarks against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelix-d%2Fextending-ruby-with-rust-benchmarks" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felix-d/extending-ruby-with-rust-benchmarks on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felix-d/extending-ruby-with-rust-benchmarks
[INFO] finished tweaking git repo https://github.com/felix-d/extending-ruby-with-rust-benchmarks
[INFO] tweaked toml for git repo https://github.com/felix-d/extending-ruby-with-rust-benchmarks written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/felix-d/extending-ruby-with-rust-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded helix v0.7.5
[INFO] [stderr]   Downloaded cstr-macro v0.1.0
[INFO] [stderr]   Downloaded libcruby-sys v0.7.5
[INFO] [stderr]   Downloaded rutie v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b4bb1a35b0dd40449e2d966ecf67f4c6f26dc2738d1d8797a47335c9b2219b1
[INFO] running `Command { std: "docker" "start" "-a" "9b4bb1a35b0dd40449e2d966ecf67f4c6f26dc2738d1d8797a47335c9b2219b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b4bb1a35b0dd40449e2d966ecf67f4c6f26dc2738d1d8797a47335c9b2219b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4bb1a35b0dd40449e2d966ecf67f4c6f26dc2738d1d8797a47335c9b2219b1", kill_on_drop: false }`
[INFO] [stdout] 9b4bb1a35b0dd40449e2d966ecf67f4c6f26dc2738d1d8797a47335c9b2219b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e52a28b5f8241b6c0ea865aa78bd9038643770b136a8d58ecf3a8496a94291b
[INFO] running `Command { std: "docker" "start" "-a" "9e52a28b5f8241b6c0ea865aa78bd9038643770b136a8d58ecf3a8496a94291b", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/deps/libffi_benchmarks.so
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/libffi_benchmarks.so
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]    Compiling rutie v0.5.3
[INFO] [stderr]    Compiling cstr-macro v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling helix v0.7.5
[INFO] [stderr] error: failed to run custom build command for `rutie v0.5.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rutie-1df241af0f68988d/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: ()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:176:61
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x555c3efbccd0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x555c3efbccd0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x555c3efbccd0 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x555c3efbccd0 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x555c3efda9cc - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x555c3efba625 - <std[77c0456e0eb29f0c]::sys::unix::stdio::Stderr as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x555c3efbe97b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x555c3efbe97b - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x555c3efbe97b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x555c3efbe451 - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x555c3efbf021 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x555c3efbeb27 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x555c3efbd1cc - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x555c3efbea89 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x555c3ef84291 - core[ee1ca6415511a9c4]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x555c3ef84323 - core[ee1ca6415511a9c4]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x555c3ef977af - <core[ee1ca6415511a9c4]::result::Result<(), ()>>::expect
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x555c3ef9da06 - build_script_build[244497c719a724fb]::ruby_lib_link_name
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:176:13
[INFO] [stderr]     18:     0x555c3ef9e019 - build_script_build[244497c719a724fb]::dynamic_linker_args
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:205:47
[INFO] [stderr]     19:     0x555c3ef9d48b - build_script_build[244497c719a724fb]::use_dylib
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:94:5
[INFO] [stderr]     20:     0x555c3efa029c - build_script_build[244497c719a724fb]::main
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:356:26
[INFO] [stderr]     21:     0x555c3efa6acb - <fn() as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x555c3efa088e - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     23:     0x555c3ef96e51 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18
[INFO] [stderr]     24:     0x555c3efbf519 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x555c3efbf519 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x555c3efbf519 - std[77c0456e0eb29f0c]::panicking::try::<i32, &dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x555c3efbf519 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stderr]     28:     0x555c3efbf519 - std[77c0456e0eb29f0c]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21
[INFO] [stderr]     29:     0x555c3ef96470 - std[77c0456e0eb29f0c]::rt::lang_start::<()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5
[INFO] [stderr]     30:     0x555c3efa03fc - main
[INFO] [stderr]     31:     0x7f4a878040b3 - __libc_start_main
[INFO] [stderr]     32:     0x555c3ef849ee - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e52a28b5f8241b6c0ea865aa78bd9038643770b136a8d58ecf3a8496a94291b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e52a28b5f8241b6c0ea865aa78bd9038643770b136a8d58ecf3a8496a94291b", kill_on_drop: false }`
[INFO] [stdout] 9e52a28b5f8241b6c0ea865aa78bd9038643770b136a8d58ecf3a8496a94291b