[INFO] cloning repository https://github.com/Its-Just-Nans/jscontact
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Its-Just-Nans/jscontact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572ef11543d4d973593ce99b19e3348a53bf04d7
[INFO] checking Its-Just-Nans/jscontact against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Its-Just-Nans/jscontact on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Its-Just-Nans/jscontact
[INFO] finished tweaking git repo https://github.com/Its-Just-Nans/jscontact
[INFO] tweaked toml for git repo https://github.com/Its-Just-Nans/jscontact written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Its-Just-Nans/jscontact already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06b2218ee3ca260ac7c347e4ba0e01943cd9dd360915c2a8c5d4894c691495b3
[INFO] running `Command { std: "docker" "start" "-a" "06b2218ee3ca260ac7c347e4ba0e01943cd9dd360915c2a8c5d4894c691495b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b2218ee3ca260ac7c347e4ba0e01943cd9dd360915c2a8c5d4894c691495b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b2218ee3ca260ac7c347e4ba0e01943cd9dd360915c2a8c5d4894c691495b3", kill_on_drop: false }`
[INFO] [stdout] 06b2218ee3ca260ac7c347e4ba0e01943cd9dd360915c2a8c5d4894c691495b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925358eebc1d466631ba44e8069bcd85e4b735d8c8801390febc2053e58b9447
[INFO] running `Command { std: "docker" "start" "-a" "925358eebc1d466631ba44e8069bcd85e4b735d8c8801390febc2053e58b9447", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling jscontact v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `jscontact v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/jscontact-0941973217a1b196/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:130:41:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5d63e0fab400 - std::backtrace_rs::backtrace::libunwind::trace::hadda5b3c123dc3bb
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5d63e0fab400 - std::backtrace_rs::backtrace::trace_unsynchronized::h251baf92d3d99d58
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5d63e0fab400 - std::sys::backtrace::_print_fmt::he064a6bd4bc8a74c
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d63e0fab400 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haf1177ce001c5aba
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d63e0fc9073 - core::fmt::rt::Argument::fmt::h13d92de871fbc7d2
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5d63e0fc9073 - core::fmt::write::h1a1a904f0a5a0299
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x5d63e0fa87e3 - std::io::Write::write_fmt::h50a28dda2e43fcfb
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x5d63e0fab252 - std::sys::backtrace::BacktraceLock::print::h157a5b5bafa82524
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5d63e0fac19f - std::panicking::default_hook::{{closure}}::hbf38c704020fd551
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x5d63e0fac00a - std::panicking::default_hook::h3b53f3f0a8a63ac3
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x5d63e0faca72 - std::panicking::rust_panic_with_hook::h7056095ba66a66e9
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x5d63e0fac90a - std::panicking::begin_panic_handler::{{closure}}::h5cd21fc1f38bc0b5
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x5d63e0fab909 - std::sys::backtrace::__rust_end_short_backtrace::h870aa48417f960ec
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5d63e0fac59d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x5d63e0fc82a0 - core::panicking::panic_fmt::h3be781a2b5cd0694
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5d63e0fc8646 - core::result::unwrap_failed::h9e220969a3197ca5
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x5d63e0f81b1e - build_script_build::main::h02e716b7b52217f2
[INFO] [stderr]     17:     0x5d63e0f7dd73 - core::ops::function::FnOnce::call_once::he2f597fb5140e528
[INFO] [stderr]     18:     0x5d63e0f7d866 - std::sys::backtrace::__rust_begin_short_backtrace::h17cee8cde5e6dc92
[INFO] [stderr]     19:     0x5d63e0f88609 - std::rt::lang_start::{{closure}}::h52ad60523699febc
[INFO] [stderr]     20:     0x5d63e0fa5100 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1e885987d45d34ff
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5d63e0fa5100 - std::panicking::try::do_call::h8a97b1757e207774
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:587:40
[INFO] [stderr]     22:     0x5d63e0fa5100 - std::panicking::try::h92f474ce5157261d
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:550:19
[INFO] [stderr]     23:     0x5d63e0fa5100 - std::panic::catch_unwind::h90427f977335690d
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x5d63e0fa5100 - std::rt::lang_start_internal::{{closure}}::h28c58ffd66de695b
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x5d63e0fa5100 - std::panicking::try::do_call::he6cef74ecc3ff7c6
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:587:40
[INFO] [stderr]     26:     0x5d63e0fa5100 - std::panicking::try::h6657572b256b949b
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:550:19
[INFO] [stderr]     27:     0x5d63e0fa5100 - std::panic::catch_unwind::h0a856d006a19410f
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x5d63e0fa5100 - std::rt::lang_start_internal::h10d6e5d37af84b89
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x5d63e0f885f1 - std::rt::lang_start::h4782dc72bae3ffa8
[INFO] [stderr]     30:     0x5d63e0f81d05 - main
[INFO] [stderr]     31:     0x7b284c10fd90 - <unknown>
[INFO] [stderr]     32:     0x7b284c10fe40 - __libc_start_main
[INFO] [stderr]     33:     0x5d63e0f7c8f5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "925358eebc1d466631ba44e8069bcd85e4b735d8c8801390febc2053e58b9447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925358eebc1d466631ba44e8069bcd85e4b735d8c8801390febc2053e58b9447", kill_on_drop: false }`
[INFO] [stdout] 925358eebc1d466631ba44e8069bcd85e4b735d8c8801390febc2053e58b9447
