[INFO] updating cached repository https://github.com/rifatshahriyar/rustgc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e668f2edc23485920288920976a3f79a6261f54c
[INFO] checking rifatshahriyar/rustgc against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifatshahriyar%2Frustgc" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rifatshahriyar/rustgc on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rifatshahriyar/rustgc
[INFO] finished tweaking git repo https://github.com/rifatshahriyar/rustgc
[INFO] tweaked toml for git repo https://github.com/rifatshahriyar/rustgc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rifatshahriyar/rustgc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3b6d71798468e920162e9e7dc45a58a2ada4bf0342867232982670794506ad4
[INFO] running `"docker" "start" "-a" "b3b6d71798468e920162e9e7dc45a58a2ada4bf0342867232982670794506ad4"`
[INFO] [stderr]    Compiling gcc v0.3.36 (https://github.com/alexcrichton/gcc-rs#7ee31b17)
[INFO] [stderr]     Checking aligned_alloc v0.1.2
[INFO] [stderr]     Checking simple_logger v0.4.0
[INFO] [stderr]    Compiling immix_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `immix_rust v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/immix_rust-b19c6404e95c0859/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] PROFILE = Some("debug")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] debug=true opt-level=0
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] running: "cc" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-o" "/opt/rustwide/target/debug/build/immix_rust-41efd62a3bad0e20/out/src/heap/gc/clib_x64.o" "-c" "src/heap/gc/clib_x64.c"
[INFO] [stderr] cargo:warning=src/heap/gc/clib_x64.c: In function 'malloc_zero':
[INFO] [stderr] cargo:warning=src/heap/gc/clib_x64.c:6:5: warning: implicit declaration of function 'memset' [-Wimplicit-function-declaration]
[INFO] [stderr] cargo:warning=     memset(ret, 0, size);
[INFO] [stderr] cargo:warning=     ^~~~~~
[INFO] [stderr] cargo:warning=src/heap/gc/clib_x64.c:6:5: warning: incompatible implicit declaration of built-in function 'memset'
[INFO] [stderr] cargo:warning=src/heap/gc/clib_x64.c:6:5: note: include '<string.h>' or provide a declaration of 'memset'
[INFO] [stderr] ExitStatus(ExitStatus(0))
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr] AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_AR = None
[INFO] [stderr] AR = None
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] running: "ar" "ar" "crus" "/opt/rustwide/target/debug/build/immix_rust-41efd62a3bad0e20/out/libgc_clib_x64.a" "/opt/rustwide/target/debug/build/immix_rust-41efd62a3bad0e20/out/src/heap/gc/clib_x64.o"
[INFO] [stderr] cargo:warning=ar: `u' modifier ignored since `D' is the default (see `U')
[INFO] [stderr] ExitStatus(ExitStatus(0))
[INFO] [stderr] cargo:rustc-link-lib=static=gc_clib_x64
[INFO] [stderr] cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/immix_rust-41efd62a3bad0e20/out
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] PROFILE = Some("debug")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] debug=true opt-level=0
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] running: "cc" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-lpfm" "-O3" "-o" "/opt/rustwide/target/debug/build/immix_rust-41efd62a3bad0e20/out/src/common/perf.o" "-c" "src/common/perf.c"
[INFO] [stderr] cargo:warning=src/common/perf.c:1:10: fatal error: perfmon/pfmlib_perf_event.h: No such file or directory
[INFO] [stderr] cargo:warning= #include <perfmon/pfmlib_perf_event.h>
[INFO] [stderr] cargo:warning=          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=compilation terminated.
[INFO] [stderr] ExitStatus(ExitStatus(256))
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'explicit panic', /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:952:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5600f64fcfb4 - backtrace::backtrace::libunwind::trace::hdb81db0bd6831d04
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5600f64fcfb4 - backtrace::backtrace::trace_unsynchronized::h38672f8e088162ec
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5600f64fcfb4 - std::sys_common::backtrace::_print_fmt::h3477885c1cf600bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x5600f64fcfb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1b1db80893bb1d47
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x5600f651c4ec - core::fmt::write::hb45c0f2659d06ea0
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1024
[INFO] [stderr]    5:     0x5600f64f9697 - std::io::Write::write_fmt::h69aed8c2f069f95a
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x5600f64ff0ee - std::sys_common::backtrace::_print::h7994adb630479b56
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x5600f64ff0ee - std::sys_common::backtrace::print::h3b61bc008bfbd441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x5600f64ff0ee - std::panicking::default_hook::{{closure}}::h3fe670170d668cf0
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x5600f64fede1 - std::panicking::default_hook::h3b06cb1df08e0592
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x5600f64ff71b - std::panicking::rust_panic_with_hook::h1d228350fd59b915
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x5600f64e57c7 - std::panicking::begin_panic::hbe626242532cfdd9
[INFO] [stderr]                                at /rustc/7cb06892a23b4da510686618c8730f0b2e8bd952/src/libstd/panicking.rs:404
[INFO] [stderr]   12:     0x5600f64c90e8 - gcc::fail::h0ca8106d4460689c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:952
[INFO] [stderr]   13:     0x5600f64c8d80 - gcc::run::hf4a9b937bb8aeff8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:946
[INFO] [stderr]   14:     0x5600f64bf9de - gcc::Config::compile_object::hee1dc67b3545527f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:418
[INFO] [stderr]   15:     0x5600f64bf2eb - gcc::Config::compile_objects::hba110b05bbfb009b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:388
[INFO] [stderr]   16:     0x5600f64be888 - gcc::Config::compile::h08bdd35e87f4e551
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gcc-rs-cd3269fb36fe9cfa/7ee31b1/src/lib.rs:353
[INFO] [stderr]   17:     0x5600f64bd72e - build_script_build::main::h0a79856d2d144695
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:7
[INFO] [stderr]   18:     0x5600f64bcf90 - std::rt::lang_start::{{closure}}::hdb9cd08e3994e0c3
[INFO] [stderr]                                at /rustc/7cb06892a23b4da510686618c8730f0b2e8bd952/src/libstd/rt.rs:67
[INFO] [stderr]   19:     0x5600f64ff1b3 - std::rt::lang_start_internal::{{closure}}::h1784eb06fa376c84
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   20:     0x5600f64ff1b3 - std::panicking::try::do_call::hc1b239edbaea435b
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   21:     0x5600f650696a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:78
[INFO] [stderr]   22:     0x5600f64ffbb0 - std::panicking::try::h3488fc3f1d3c9eea
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   23:     0x5600f64ffbb0 - std::panic::catch_unwind::h2a34869edc5a61ae
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   24:     0x5600f64ffbb0 - std::rt::lang_start_internal::h0cda2cb9c4b6b0f8
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   25:     0x5600f64bcf69 - std::rt::lang_start::h27085d0f82fe20ec
[INFO] [stderr]                                at /rustc/7cb06892a23b4da510686618c8730f0b2e8bd952/src/libstd/rt.rs:67
[INFO] [stderr]   26:     0x5600f64bd78a - main
[INFO] [stderr]   27:     0x7f31670cbb97 - __libc_start_main
[INFO] [stderr]   28:     0x5600f64bce3a - _start
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b3b6d71798468e920162e9e7dc45a58a2ada4bf0342867232982670794506ad4"`
[INFO] running `"docker" "rm" "-f" "b3b6d71798468e920162e9e7dc45a58a2ada4bf0342867232982670794506ad4"`
[INFO] [stdout] b3b6d71798468e920162e9e7dc45a58a2ada4bf0342867232982670794506ad4