[INFO] fetching crate cargo-bolero 0.5.2...
[INFO] checking cargo-bolero-0.5.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate cargo-bolero 0.5.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-bolero 0.5.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-bolero 0.5.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-bolero 0.5.2
[INFO] tweaked toml for crates.io crate cargo-bolero 0.5.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-bolero 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-engine v0.5.2
[INFO] [stderr]   Downloaded bolero v0.5.2
[INFO] [stderr]   Downloaded bolero-afl v0.5.0
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.5.0
[INFO] [stderr]   Downloaded libtest-mimic v0.2.0
[INFO] [stderr]   Downloaded bolero-generator v0.5.2
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.5.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.5.2
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a04864042c1b77cf8d3d0abb96550cd31c4688167fd1d4609b2e9e3e5449b719
[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" "a04864042c1b77cf8d3d0abb96550cd31c4688167fd1d4609b2e9e3e5449b719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04864042c1b77cf8d3d0abb96550cd31c4688167fd1d4609b2e9e3e5449b719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04864042c1b77cf8d3d0abb96550cd31c4688167fd1d4609b2e9e3e5449b719", kill_on_drop: false }`
[INFO] [stdout] a04864042c1b77cf8d3d0abb96550cd31c4688167fd1d4609b2e9e3e5449b719
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ab5f74c945ba23b231f64e46e88fe5e3206b793cf32a2779c34c9b1703cdcf
[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" "04ab5f74c945ba23b231f64e46e88fe5e3206b793cf32a2779c34c9b1703cdcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling bolero-honggfuzz v0.5.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling cargo-bolero v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr] error: failed to run custom build command for `bolero-honggfuzz v0.5.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/bolero-honggfuzz-f3de4402eeec106c/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=BOLERO_FUZZER
[INFO] [stderr]   cargo:rerun-if-env-changed=CARGO_CFG_FUZZING_HONGGFUZZ
[INFO] [stderr]   cargo:rerun-if-env-changed=CARGO_FEATURE_BIN
[INFO] [stderr]   make: Entering directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/honggfuzz'
[INFO] [stderr]   cc -c -O3 -mtune=native -funroll-loops -std=c11 -I/usr/local/include -D_GNU_SOURCE -Wall -Wextra -Werror -Wno-format-truncation -Wno-override-init -I. -D_FILE_OFFSET_BITS=64 -finline-limit=4000 -D_HF_ARCH_LINUX -g -ggdb -g3  -o cmdline.o cmdline.c
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/honggfuzz'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create cmdline.o: Read-only file system
[INFO] [stderr]   make: *** [Makefile:259: cmdline.o] Error 1
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/build.rs:27:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5632d621e000 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5632d621e000 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5632d621e000 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5632d621e000 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5632d623c7ac - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x5632d621c4a5 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x5632d6220180 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5632d6220180 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5632d6220180 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x5632d621fecc - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x5632d62207e3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x5632d62013e8 - std::panicking::begin_panic::{{closure}}::h30a3fd80f611fcdc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:498
[INFO] [stderr]     12:     0x5632d6201f88 - std::sys_common::backtrace::__rust_end_short_backtrace::h4a72e0d46e3172db
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5632d6201313 - std::panicking::begin_panic::hc536afaebd6d104e
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:497
[INFO] [stderr]     14:     0x5632d620306c - build_script_build::build::he8585ec343dec272
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/build.rs:27
[INFO] [stderr]     15:     0x5632d6203893 - build_script_build::main::haa33380079115256
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/build.rs:66
[INFO] [stderr]     16:     0x5632d62065db - core::ops::function::FnOnce::call_once::hedba2099027f2c8c
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233
[INFO] [stderr]     17:     0x5632d6201fbe - std::sys_common::backtrace::__rust_begin_short_backtrace::h1a8d24832b1766b3
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     18:     0x5632d6207b71 - std::rt::lang_start::{{closure}}::hd5b0cec418bf5bdb
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66
[INFO] [stderr]     19:     0x5632d6220bf2 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:265
[INFO] [stderr]     20:     0x5632d6220bf2 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373
[INFO] [stderr]     21:     0x5632d6220bf2 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337
[INFO] [stderr]     22:     0x5632d6220bf2 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394
[INFO] [stderr]     23:     0x5632d6220bf2 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51
[INFO] [stderr]     24:     0x5632d6207b47 - std::rt::lang_start::he5c448b20a78a2e1
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65
[INFO] [stderr]     25:     0x5632d6203a4a - main
[INFO] [stderr]     26:     0x7f98d89380b3 - __libc_start_main
[INFO] [stderr]     27:     0x5632d61ff09e - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "04ab5f74c945ba23b231f64e46e88fe5e3206b793cf32a2779c34c9b1703cdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ab5f74c945ba23b231f64e46e88fe5e3206b793cf32a2779c34c9b1703cdcf", kill_on_drop: false }`
[INFO] [stdout] 04ab5f74c945ba23b231f64e46e88fe5e3206b793cf32a2779c34c9b1703cdcf