[INFO] fetching crate assemblylift-core-iomod 0.4.0-alpha.10...
[INFO] checking assemblylift-core-iomod-0.4.0-alpha.10 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate assemblylift-core-iomod 0.4.0-alpha.10 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate assemblylift-core-iomod 0.4.0-alpha.10 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assemblylift-core-iomod 0.4.0-alpha.10
[INFO] finished tweaking crates.io crate assemblylift-core-iomod 0.4.0-alpha.10
[INFO] tweaked toml for crates.io crate assemblylift-core-iomod 0.4.0-alpha.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding capnp v0.15.3 (available: v0.20.1)
[INFO] [stderr]       Adding capnp-futures v0.15.3 (available: v0.20.0)
[INFO] [stderr]       Adding capnp-rpc v0.15.1 (available: v0.20.2)
[INFO] [stderr]       Adding capnpc v0.15.2 (available: v0.20.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding tokio-util v0.6.10 (available: v0.7.12)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnpc v0.15.2
[INFO] [stderr]   Downloaded assemblylift-core-io-common v0.3.0
[INFO] [stderr]   Downloaded tokio-util v0.6.10
[INFO] [stderr]   Downloaded capnp-futures v0.15.3
[INFO] [stderr]   Downloaded capnp-rpc v0.15.1
[INFO] [stderr]   Downloaded capnp v0.15.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0c498dfa7dd63ebd46b7c181ab935ff2a1ae68d908b2c7a5fb9c9ba227c1358
[INFO] running `Command { std: "docker" "start" "-a" "d0c498dfa7dd63ebd46b7c181ab935ff2a1ae68d908b2c7a5fb9c9ba227c1358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0c498dfa7dd63ebd46b7c181ab935ff2a1ae68d908b2c7a5fb9c9ba227c1358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c498dfa7dd63ebd46b7c181ab935ff2a1ae68d908b2c7a5fb9c9ba227c1358", kill_on_drop: false }`
[INFO] [stdout] d0c498dfa7dd63ebd46b7c181ab935ff2a1ae68d908b2c7a5fb9c9ba227c1358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3dfefc0ff7bdf271336a10e338b422673b5da207cc0e9b12fe6357cb1f83d21
[INFO] running `Command { std: "docker" "start" "-a" "e3dfefc0ff7bdf271336a10e338b422673b5da207cc0e9b12fe6357cb1f83d21", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling capnp v0.15.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling capnpc v0.15.2
[INFO] [stderr]    Compiling assemblylift-core-iomod v0.4.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `assemblylift-core-iomod v0.4.0-alpha.10 (/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/assemblylift-core-iomod-b2cc18b9513a9c4e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-env=RUSTC_VERSION=1.83.0-nightly
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   could not open file "src/iomod_capnp.rs" for writing: Read-only file system (os error 30)
[INFO] [stderr]   thread 'main' panicked at build.rs:11:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Error { kind: Failed, description: "Error while trying to execute `capnp compile`: Failed: Read-only file system (os error 30).  Please verify that version 0.5.2 or higher of the capnp executable is installed on your system. See https://capnproto.org/install.html" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x635707bc875a - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x635707bc875a - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x635707bc875a - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x635707bc875a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h731c3e1b756ff019
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x635707bed60b - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x635707bed60b - core::fmt::write::h9c97613a183100ea
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]      6:     0x635707bc5423 - std::io::Write::write_fmt::h7288d7c7dce2722e
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x635707bc85a2 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x635707bc9867 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x635707bc9696 - std::panicking::default_hook::hd8d6e2273bfc5edc
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x635707bc9e67 - std::panicking::rust_panic_with_hook::hb332f821833efd3b
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x635707bc9d07 - std::panicking::begin_panic_handler::{{closure}}::h00065c7fd19dfc55
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x635707bc8c39 - std::sys::backtrace::__rust_end_short_backtrace::h10e475bd14bb8cb7
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x635707bc9994 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x635707bebaa3 - core::panicking::panic_fmt::h59e161f9c51d6f0e
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x635707bebee6 - core::result::unwrap_failed::h54376d3d4b8f04d2
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/result.rs:1689:5
[INFO] [stderr]     16:     0x635707aff5e9 - build_script_build::main::h6cc933c5882aab8b
[INFO] [stderr]     17:     0x635707afe8f3 - core::ops::function::FnOnce::call_once::hccdda00ab7762b7f
[INFO] [stderr]     18:     0x635707afe756 - std::sys::backtrace::__rust_begin_short_backtrace::h0e1f062ad1aa8b4e
[INFO] [stderr]     19:     0x635707afe739 - std::rt::lang_start::{{closure}}::hd1aeccd20cc00110
[INFO] [stderr]     20:     0x635707bc1620 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h00708edcd5cb0bf9
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x635707bc1620 - std::panicking::try::do_call::h3211acb5ef596e26
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40
[INFO] [stderr]     22:     0x635707bc1620 - std::panicking::try::hfc77046d1a78b97f
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19
[INFO] [stderr]     23:     0x635707bc1620 - std::panic::catch_unwind::h8cc6f9c887e41bb5
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14
[INFO] [stderr]     24:     0x635707bc1620 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48
[INFO] [stderr]     25:     0x635707bc1620 - std::panicking::try::do_call::h7b341eaacca88c96
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40
[INFO] [stderr]     26:     0x635707bc1620 - std::panicking::try::h2190145387d00b24
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19
[INFO] [stderr]     27:     0x635707bc1620 - std::panic::catch_unwind::h39d0834a21ce2b28
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14
[INFO] [stderr]     28:     0x635707bc1620 - std::rt::lang_start_internal::hf1cb939424e8449c
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20
[INFO] [stderr]     29:     0x635707afe717 - std::rt::lang_start::hda6862f5a9b377e9
[INFO] [stderr]     30:     0x635707aff695 - main
[INFO] [stderr]     31:     0x7301408cad90 - <unknown>
[INFO] [stderr]     32:     0x7301408cae40 - __libc_start_main
[INFO] [stderr]     33:     0x635707afe625 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3dfefc0ff7bdf271336a10e338b422673b5da207cc0e9b12fe6357cb1f83d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dfefc0ff7bdf271336a10e338b422673b5da207cc0e9b12fe6357cb1f83d21", kill_on_drop: false }`
[INFO] [stdout] e3dfefc0ff7bdf271336a10e338b422673b5da207cc0e9b12fe6357cb1f83d21