[INFO] fetching crate cargo-bolero 0.5.2...
[INFO] checking cargo-bolero-0.5.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate cargo-bolero 0.5.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cargo-bolero 0.5.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-5/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55c8f1d2462ebc1fcc4acceedfe655a063d0877c3731da9be9cee303136e6286
[INFO] running `Command { std: "docker" "start" "-a" "55c8f1d2462ebc1fcc4acceedfe655a063d0877c3731da9be9cee303136e6286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c8f1d2462ebc1fcc4acceedfe655a063d0877c3731da9be9cee303136e6286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c8f1d2462ebc1fcc4acceedfe655a063d0877c3731da9be9cee303136e6286", kill_on_drop: false }`
[INFO] [stdout] 55c8f1d2462ebc1fcc4acceedfe655a063d0877c3731da9be9cee303136e6286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5e414fe206e4b40335f028f410a9697220c902594901deb556f7b7518a8664
[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" "8a5e414fe206e4b40335f028f410a9697220c902594901deb556f7b7518a8664", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling bolero-honggfuzz v0.5.0
[INFO] [stderr]    Compiling cargo-bolero v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[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-95300c17952ba7bc/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:     0x5571fd8709c5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x5571fd8709c5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5571fd8709c5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x5571fd8709c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x5571fd8934ac - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x5571fd86ec32 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x5571fd872e00 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x5571fd872e00 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x5571fd872e00 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x5571fd872b4c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x5571fd873443 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x5571fd860685 - std::panicking::begin_panic::hd47893db691460c1
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456
[INFO] [stderr]     12:     0x5571fd86246c - build_script_build::build::h04d1e4a38e98cfa5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/build.rs:27
[INFO] [stderr]     13:     0x5571fd862c93 - build_script_build::main::h5dddbc76a1128fd0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bolero-honggfuzz-0.5.0/build.rs:66
[INFO] [stderr]     14:     0x5571fd86683b - std::rt::lang_start::{{closure}}::hbd9fefec45d00fff
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x5571fd873813 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     16:     0x5571fd873813 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     17:     0x5571fd873813 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     18:     0x5571fd873813 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     19:     0x5571fd873813 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     20:     0x5571fd866817 - std::rt::lang_start::h9b874debcbd0cad5
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     21:     0x5571fd862e4a - main
[INFO] [stderr]     22:     0x7f07f3e870b3 - __libc_start_main
[INFO] [stderr]     23:     0x5571fd85e18e - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8a5e414fe206e4b40335f028f410a9697220c902594901deb556f7b7518a8664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5e414fe206e4b40335f028f410a9697220c902594901deb556f7b7518a8664", kill_on_drop: false }`
[INFO] [stdout] 8a5e414fe206e4b40335f028f410a9697220c902594901deb556f7b7518a8664
