[INFO] fetching crate wren_rust 0.1.3...
[INFO] checking wren_rust-0.1.3 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate wren_rust 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wren_rust 0.1.3 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wren_rust 0.1.3
[INFO] finished tweaking crates.io crate wren_rust 0.1.3
[INFO] tweaked toml for crates.io crate wren_rust 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d43e3b31ae90538043b798b13994bf19955be2aaf83829f6ab4e46cdd7a179cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d43e3b31ae90538043b798b13994bf19955be2aaf83829f6ab4e46cdd7a179cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43e3b31ae90538043b798b13994bf19955be2aaf83829f6ab4e46cdd7a179cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43e3b31ae90538043b798b13994bf19955be2aaf83829f6ab4e46cdd7a179cb", kill_on_drop: false }`
[INFO] [stdout] d43e3b31ae90538043b798b13994bf19955be2aaf83829f6ab4e46cdd7a179cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2487ad05995d13e2adc1c81c4e1c0132fa34b3d3cf055f1f23be39bfc16c14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea2487ad05995d13e2adc1c81c4e1c0132fa34b3d3cf055f1f23be39bfc16c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling wren_rust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `wren_rust v0.1.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wren_rust-a29f83f8531176bf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   make[1]: Entering directory '/opt/rustwide/workdir/wren'
[INFO] [stderr]           cc src/optional/wren_opt_meta.c    -O0 -DDEBUG -g -std=c99 -fPIC
[INFO] [stderr]   make[1]: Leaving directory '/opt/rustwide/workdir/wren'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   mkdir: cannot create directory 'build': Read-only file system
[INFO] [stderr]   make[1]: *** [util/wren.mk:200: build/debug/optional/wren_opt_meta.o] Error 1
[INFO] [stderr]   make: *** [Makefile:20: debug] Error 2
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: status.unwrap().success()', build.rs:8:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564f6c7006b0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x564f6c7006b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564f6c7006b0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564f6c7006b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564f6c719eef - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x564f6c6fe8e5 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/io/mod.rs:1578:15
[INFO] [stderr]      6:     0x564f6c7021fb - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564f6c7021fb - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564f6c7021fb - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x564f6c701cc3 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x564f6c7027ad - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x564f6c702377 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x564f6c700b6c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x564f6c702309 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x564f6c6e1221 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x564f6c6e116d - core::panicking::panic::haebb15b6842d6229
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x564f6c6e40d0 - build_script_build::make_debug::hc38b9b06c15f3ef2
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     17:     0x564f6c6e4269 - build_script_build::main::h9582518b970f422e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:27:5
[INFO] [stderr]     18:     0x564f6c6e5f8b - core::ops::function::FnOnce::call_once::h3ccb0575469555bf
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x564f6c6e451e - std::sys_common::backtrace::__rust_begin_short_backtrace::h4c6f755ed0cec85a
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x564f6c6e3321 - std::rt::lang_start::{{closure}}::h1423f2c873f89880
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x564f6c702baa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x564f6c702baa - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x564f6c702baa - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x564f6c702baa - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x564f6c702baa - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x564f6c6e3300 - std::rt::lang_start::hc8aae0d70782c9d6
[INFO] [stderr]                                  at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x564f6c6e441c - main
[INFO] [stderr]     28:     0x7f9010ab00b3 - __libc_start_main
[INFO] [stderr]     29:     0x564f6c6e191e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ea2487ad05995d13e2adc1c81c4e1c0132fa34b3d3cf055f1f23be39bfc16c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2487ad05995d13e2adc1c81c4e1c0132fa34b3d3cf055f1f23be39bfc16c14", kill_on_drop: false }`
[INFO] [stdout] ea2487ad05995d13e2adc1c81c4e1c0132fa34b3d3cf055f1f23be39bfc16c14