[INFO] fetching crate spirix 0.0.5...
[INFO] building spirix-0.0.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate spirix 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate spirix 0.0.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate spirix 0.0.5
[INFO] tweaked toml for crates.io crate spirix 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spirix 0.0.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spirix 0.0.5 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-modular v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.223
[INFO] [stderr]   Downloaded serde_derive v1.0.223
[INFO] [stderr]   Downloaded serde_core v1.0.223
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded i256 v0.2.2
[INFO] [stderr]   Downloaded num-prime v0.4.4
[INFO] [stderr]   Downloaded zerocopy v0.8.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b83135c5579f26583eeab6a56ba8b940f65133b6bddb6b4c43f010e7957709
[INFO] running `Command { std: "docker" "start" "-a" "d9b83135c5579f26583eeab6a56ba8b940f65133b6bddb6b4c43f010e7957709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b83135c5579f26583eeab6a56ba8b940f65133b6bddb6b4c43f010e7957709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b83135c5579f26583eeab6a56ba8b940f65133b6bddb6b4c43f010e7957709", kill_on_drop: false }`
[INFO] [stdout] d9b83135c5579f26583eeab6a56ba8b940f65133b6bddb6b4c43f010e7957709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afc0826b1181f731fdd5eaabed4ae55e2f6c4ec7c6dd51deba717147281703d1
[INFO] running `Command { std: "docker" "start" "-a" "afc0826b1181f731fdd5eaabed4ae55e2f6c4ec7c6dd51deba717147281703d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling i256 v0.2.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling spirix v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr] error: failed to run custom build command for `spirix v0.0.5 (/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/spirix-3560ee47460123f5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (228) panicked at build.rs:41:10:
[INFO] [stderr]   Failed to write generated code: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5d62bc52cf92 - std::backtrace_rs::backtrace::libunwind::trace::ha2a9ae9e69b87a03
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d62bc52cf92 - std::backtrace_rs::backtrace::trace_unsynchronized::h7757f80677e51a33
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d62bc52cf92 - std::sys::backtrace::_print_fmt::h6552c7cfff6c56fd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d62bc52cf92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8094475e363f1053
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d62bc53c06f - core::fmt::rt::Argument::fmt::h88a25a51f53034c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5d62bc53c06f - core::fmt::write::h501eb1fe28dabfbb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5d62bc50b1f1 - std::io::default_write_fmt::h992ad3fe47aac8bd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d62bc50b1f1 - std::io::Write::write_fmt::h8b96bc323947a405
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5d62bc5105f2 - std::sys::backtrace::BacktraceLock::print::h7aea9e658d3d67e5
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5d62bc511e3c - std::panicking::default_hook::{{closure}}::h9182baa5e2ff55c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5d62bc511c96 - std::panicking::default_hook::hfb4945b05f344c7f
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5d62bc5124c5 - std::panicking::panic_with_hook::h56e601fd3ec36096
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5d62bc51235a - std::panicking::panic_handler::{{closure}}::h1609d3c3912948cb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5d62bc510729 - std::sys::backtrace::__rust_end_short_backtrace::h03d671aa8d777602
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5d62bc4ffc4d - __rustc[aa3aaccdf5d52e38]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5d62bc53f2f0 - core::panicking::panic_fmt::h2ccb5f5950fb2ea3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x5d62bc53eb96 - core::result::unwrap_failed::h1234828aefe38261
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x5d62bc4ff130 - core::result::Result<T,E>::expect::h14e4542a51a856c8
[INFO] [stderr]     18:     0x5d62bc4fda25 - build_script_build::main::hb44c06557ecbacf7
[INFO] [stderr]     19:     0x5d62bc4fe4d3 - core::ops::function::FnOnce::call_once::h46a57141a77850e4
[INFO] [stderr]     20:     0x5d62bc4fe3e6 - std::sys::backtrace::__rust_begin_short_backtrace::hedf2c7d6c38a5d42
[INFO] [stderr]     21:     0x5d62bc4fe349 - std::rt::lang_start::{{closure}}::h775ecb94d8fb6ea4
[INFO] [stderr]     22:     0x5d62bc50c5f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::haefda49eac6aabe3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5d62bc50c5f0 - std::panicking::catch_unwind::do_call::hf37797e2fddac2f0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5d62bc50c5f0 - std::panicking::catch_unwind::h909d1e8985436f28
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5d62bc50c5f0 - std::panic::catch_unwind::h5491b1948f80f254
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5d62bc50c5f0 - std::rt::lang_start_internal::{{closure}}::hf621f85e52fbc16b
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5d62bc50c5f0 - std::panicking::catch_unwind::do_call::h2de2328545762ad7
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5d62bc50c5f0 - std::panicking::catch_unwind::h544f60d1149df03e
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5d62bc50c5f0 - std::panic::catch_unwind::h90e123b5fe5a521c
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5d62bc50c5f0 - std::rt::lang_start_internal::hce9ddc5b3402b0d3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5d62bc4fe331 - std::rt::lang_start::hbfd149f2c1326449
[INFO] [stderr]     32:     0x5d62bc4ff945 - main
[INFO] [stderr]     33:     0x7adcb18e01ca - <unknown>
[INFO] [stderr]     34:     0x7adcb18e028b - __libc_start_main
[INFO] [stderr]     35:     0x5d62bc4fd6d5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "afc0826b1181f731fdd5eaabed4ae55e2f6c4ec7c6dd51deba717147281703d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc0826b1181f731fdd5eaabed4ae55e2f6c4ec7c6dd51deba717147281703d1", kill_on_drop: false }`
[INFO] [stdout] afc0826b1181f731fdd5eaabed4ae55e2f6c4ec7c6dd51deba717147281703d1