[INFO] cloning repository https://github.com/wunderdogsw/wundernut8_validator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wunderdogsw/wundernut8_validator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwunderdogsw%2Fwundernut8_validator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwunderdogsw%2Fwundernut8_validator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79a3935ca51dc7fb76c43844ebbc1c97a893155f
[INFO] checking wunderdogsw/wundernut8_validator against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwunderdogsw%2Fwundernut8_validator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wunderdogsw/wundernut8_validator on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/wunderdogsw/wundernut8_validator
[INFO] finished tweaking git repo https://github.com/wunderdogsw/wundernut8_validator
[INFO] tweaked toml for git repo https://github.com/wunderdogsw/wundernut8_validator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wunderdogsw/wundernut8_validator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65290e807e4237adcfe03f2923cccfcf9cda45933343a5f07240f8d751dbf430
[INFO] running `Command { std: "docker" "start" "-a" "65290e807e4237adcfe03f2923cccfcf9cda45933343a5f07240f8d751dbf430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65290e807e4237adcfe03f2923cccfcf9cda45933343a5f07240f8d751dbf430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65290e807e4237adcfe03f2923cccfcf9cda45933343a5f07240f8d751dbf430", kill_on_drop: false }`
[INFO] [stdout] 65290e807e4237adcfe03f2923cccfcf9cda45933343a5f07240f8d751dbf430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e0c7c1ddd6836d9ceb299224f04358ba4edd9a88f87ddfcfb90ad963ee598e
[INFO] running `Command { std: "docker" "start" "-a" "76e0c7c1ddd6836d9ceb299224f04358ba4edd9a88f87ddfcfb90ad963ee598e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling serde v1.0.20
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling crc v1.5.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling libflate v0.1.12
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]    Compiling alastalo_validator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `alastalo_validator v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/alastalo_validator-276b3ec572984940/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" }', build.rs:15:25
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e42f76f5fc - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e42f76f5fc - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e42f76f5fc - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e42f76f5fc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h06b8f714a0700be1
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e42f78888c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55e42f76d6a5 - std::io::Write::write_fmt::hb1c61d571fcd8cbf
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55e42f770ce0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e42f770ce0 - std::sys_common::backtrace::print::hae7d6625a78cd32e
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e42f770ce0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55e42f77089b - std::panicking::default_hook::h5dc58e323cddd123
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55e42f771394 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55e42f770e70 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55e42f76fac4 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e42f770dd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55e42f709eb1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x55e42f709f43 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55e42f756396 - core::result::Result<T,E>::unwrap::h5acb9d522d085316
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/result.rs:1299:23
[INFO] [stderr]     17:     0x55e42f728d01 - build_script_build::main::h99997a2ab2b17dcb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:15:5
[INFO] [stderr]     18:     0x55e42f71bb5b - core::ops::function::FnOnce::call_once::h32330fd531835052
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55e42f726a2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d67d219797d1f59
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55e42f722d11 - std::rt::lang_start::{{closure}}::h47a50d9c34bc0b91
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55e42f77189a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc9bc8961e4809a14
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55e42f77189a - std::panicking::try::do_call::h6f00e12df2af6579
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x55e42f77189a - std::panicking::try::h588c31a0a9a8ad2c
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x55e42f77189a - std::panic::catch_unwind::h8ebc4fcb0e51bec0
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x55e42f77189a - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55e42f77189a - std::panicking::try::do_call::hf70c5056d8b410b7
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x55e42f77189a - std::panicking::try::h0c680320de5deb84
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x55e42f77189a - std::panic::catch_unwind::h7b94a99f13366c53
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x55e42f77189a - std::rt::lang_start_internal::hca14fb2549072049
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55e42f722ce0 - std::rt::lang_start::h45c66cddf457f31a
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55e42f729bbc - main
[INFO] [stderr]     32:     0x7f604dcbb0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55e42f70a64e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "76e0c7c1ddd6836d9ceb299224f04358ba4edd9a88f87ddfcfb90ad963ee598e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e0c7c1ddd6836d9ceb299224f04358ba4edd9a88f87ddfcfb90ad963ee598e", kill_on_drop: false }`
[INFO] [stdout] 76e0c7c1ddd6836d9ceb299224f04358ba4edd9a88f87ddfcfb90ad963ee598e