[INFO] cloning repository https://github.com/zethra/chaos-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zethra/chaos-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzethra%2Fchaos-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzethra%2Fchaos-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb759016a0495ce1b78b6333f928ad24f499920
[INFO] checking zethra/chaos-regex against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzethra%2Fchaos-regex" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zethra/chaos-regex on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zethra/chaos-regex
[INFO] finished tweaking git repo https://github.com/zethra/chaos-regex
[INFO] tweaked toml for git repo https://github.com/zethra/chaos-regex written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/zethra/chaos-regex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d24f4cb6999ec7656ee7314e561894b75db9d1d75e416b307bdb62d7a9a5e3c2
[INFO] running `Command { std: "docker" "start" "-a" "d24f4cb6999ec7656ee7314e561894b75db9d1d75e416b307bdb62d7a9a5e3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d24f4cb6999ec7656ee7314e561894b75db9d1d75e416b307bdb62d7a9a5e3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24f4cb6999ec7656ee7314e561894b75db9d1d75e416b307bdb62d7a9a5e3c2", kill_on_drop: false }`
[INFO] [stdout] d24f4cb6999ec7656ee7314e561894b75db9d1d75e416b307bdb62d7a9a5e3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60ccd9149d9316ae944900ab9951de772555fab30d2cd6a9b7c1e03c1003d95
[INFO] running `Command { std: "docker" "start" "-a" "c60ccd9149d9316ae944900ab9951de772555fab30d2cd6a9b7c1e03c1003d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cbindgen v0.15.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking error-gen v0.1.0 (/opt/rustwide/workdir/error-gen)
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling chaos-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `chaos-regex v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/chaos-regex-459366345eef45d6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.15.0/src/bindgen/bindings.rs:101:43
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558eae78ec00 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x558eae78ec00 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558eae78ec00 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558eae78ec00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558eae7b43ac - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x558eae78bee5 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x558eae79110b - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558eae79110b - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558eae79110b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558eae790be1 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x558eae7917f9 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:626:17
[INFO] [stderr]     11:     0x558eae7912b7 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x558eae78f0fc - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558eae791219 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x558eae1ce741 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x558eae1ce833 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x558eae30b53e - core::result::Result<T,E>::unwrap::h0f2cc06f34d44aac
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/result.rs:1281:23
[INFO] [stderr]     17:     0x558eae321705 - cbindgen::bindgen::bindings::Bindings::write_to_file::h829e1e6e27c3746a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.15.0/src/bindgen/bindings.rs:101:24
[INFO] [stderr]     18:     0x558eae333c98 - build_script_build::main::he0482cc8039fcb24
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     19:     0x558eae2bca1b - core::ops::function::FnOnce::call_once::hed789282e7266311
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x558eae328aee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1a93a36322c2c08c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x558eae31ed71 - std::rt::lang_start::{{closure}}::hbda677db7b71d8f0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x558eae791dda - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x558eae791dda - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x558eae791dda - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x558eae791dda - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x558eae791dda - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x558eae791dda - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x558eae791dda - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x558eae791dda - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x558eae791dda - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x558eae31ed40 - std::rt::lang_start::h2c104f7fa91401e2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x558eae333cfc - main
[INFO] [stderr]     33:     0x7ff41da8e0b3 - __libc_start_main
[INFO] [stderr]     34:     0x558eae1cef3e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c60ccd9149d9316ae944900ab9951de772555fab30d2cd6a9b7c1e03c1003d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60ccd9149d9316ae944900ab9951de772555fab30d2cd6a9b7c1e03c1003d95", kill_on_drop: false }`
[INFO] [stdout] c60ccd9149d9316ae944900ab9951de772555fab30d2cd6a9b7c1e03c1003d95