[INFO] fetching crate wren-sys 0.2.5...
[INFO] checking wren-sys-0.2.5 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate wren-sys 0.2.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wren-sys 0.2.5 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wren-sys 0.2.5
[INFO] finished tweaking crates.io crate wren-sys 0.2.5
[INFO] tweaked toml for crates.io crate wren-sys 0.2.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6f0fbc1c02267ce9821b264787f9c7806ef489dd1d06cec1e1bcdd53d9a576
[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" "dc6f0fbc1c02267ce9821b264787f9c7806ef489dd1d06cec1e1bcdd53d9a576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6f0fbc1c02267ce9821b264787f9c7806ef489dd1d06cec1e1bcdd53d9a576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6f0fbc1c02267ce9821b264787f9c7806ef489dd1d06cec1e1bcdd53d9a576", kill_on_drop: false }`
[INFO] [stdout] dc6f0fbc1c02267ce9821b264787f9c7806ef489dd1d06cec1e1bcdd53d9a576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed5cf2067f1b9f85119495659ecd3972270aec64368cd81536e5854e9773f26
[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" "9ed5cf2067f1b9f85119495659ecd3972270aec64368cd81536e5854e9773f26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling wren-sys v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `wren-sys v0.2.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wren-sys-c1f876ab0cd03cb5/build-script-build` (exit code: 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:     0x55b74dcb3fe0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55b74dcb3fe0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b74dcb3fe0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b74dcb3fe0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b74dcce7dc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55b74dcb1b02 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55b74dcb5cc5 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b74dcb5cc5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b74dcb5cc5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55b74dcb5773 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55b74dcb6461 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55b74dcb5f77 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55b74dcb447c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b74dcb5f09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55b74dccda21 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55b74dccd96d - core::panicking::panic::h35b77276aa4b0c12
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55b74dc9731c - build_script_build::make_debug::hd4fe385323be6507
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     17:     0x55b74dc974c8 - build_script_build::main::hc705383fcb6b4a3a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:27:5
[INFO] [stderr]     18:     0x55b74dc97f5b - core::ops::function::FnOnce::call_once::hfc5fc3043d96ca05
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55b74dc97e2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h13c96c2c4774d242
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55b74dc95731 - std::rt::lang_start::{{closure}}::h11df9c5e141376c7
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55b74dcb687a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55b74dcb687a - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55b74dcb687a - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55b74dcb687a - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55b74dcb687a - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55b74dc95707 - std::rt::lang_start::hf4b144824a2c0a5f
[INFO] [stderr]                                  at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55b74dc9766a - main
[INFO] [stderr]     28:     0x7f7d218c00b3 - __libc_start_main
[INFO] [stderr]     29:     0x55b74dc9309e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9ed5cf2067f1b9f85119495659ecd3972270aec64368cd81536e5854e9773f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed5cf2067f1b9f85119495659ecd3972270aec64368cd81536e5854e9773f26", kill_on_drop: false }`
[INFO] [stdout] 9ed5cf2067f1b9f85119495659ecd3972270aec64368cd81536e5854e9773f26