[INFO] updating cached repository https://github.com/nocduro/rustref
[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] d52e30d6716d8b06fbf7e4c9f0551816b00f81d0
[INFO] testing nocduro/rustref against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnocduro%2Frustref" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nocduro/rustref on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nocduro/rustref
[INFO] finished tweaking git repo https://github.com/nocduro/rustref
[INFO] tweaked toml for git repo https://github.com/nocduro/rustref written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nocduro/rustref already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f6961558202d394bef174b293186037e6d8bcb4e362ad0861919e6ec15ec90e
[INFO] running `"docker" "start" "-a" "8f6961558202d394bef174b293186037e6d8bcb4e362ad0861919e6ec15ec90e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling serde v1.0.45
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling pear v0.0.16
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling pest v0.4.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling pear_codegen v0.0.16
[INFO] [stderr]    Compiling rocket v0.3.10
[INFO] [stderr]    Compiling rocket_codegen v0.3.10
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling slug v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-0d19c4b1e60eeddc/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Pear requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.44.0 (2020-06-01). Minimum required: 1.27.0-nightly (2018-04-14).
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.16/build.rs:31:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5628343098f4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5628343098f4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5628343098f4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5628343098f4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h41a0a93ab85e6aa1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x56283432c67c - core::fmt::write::hdaea18585065a96d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x562834306f93 - std::io::Write::write_fmt::h0cea70c809005252
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x56283430be95 - std::sys_common::backtrace::_print::hd95f9978cc145ca4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x56283430be95 - std::sys_common::backtrace::print::hfb25ca2291be47d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x56283430be95 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x56283430bbd2 - std::panicking::default_hook::h198e1a712910f1e6
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x56283430c4a2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5628342e3b2d - std::panicking::begin_panic::h3ac6529561d95969
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x5628342e1836 - build_script_build::main::h25c33262dd02233a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.16/build.rs:31
[INFO] [stderr]   13:     0x5628342e2d8b - std::rt::lang_start::{{closure}}::h9c51b0032a0c8f29
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
[INFO] [stderr]   14:     0x56283430c8e8 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   15:     0x56283430c8e8 - std::panicking::try::do_call::h6d214a73427d759b
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   16:     0x56283430c8e8 - std::panicking::try::hc078f0e11721d1cb
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   17:     0x56283430c8e8 - std::panic::catch_unwind::hb31c05be30625612
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x56283430c8e8 - std::rt::lang_start_internal::hcf7fb98a775d5af0
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   19:     0x5628342e2d67 - std::rt::lang_start::he4b8885b818b4190
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
[INFO] [stderr]   20:     0x5628342e26da - main
[INFO] [stderr]   21:     0x7f46ee8f70b3 - __libc_start_main
[INFO] [stderr]   22:     0x5628342e117e - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `rocket_codegen v0.3.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket_codegen-395203471fc17add/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.44.0 (2020-06-01). Minimum required: 1.27.0-nightly (2018-05-04).
[INFO] [stderr] See the getting started guide (https://rocket.rs/guide/getting-started/) for more information.
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.3.10/build.rs:38:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559f14a8bb24 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x559f14a8bb24 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559f14a8bb24 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x559f14a8bb24 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h41a0a93ab85e6aa1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x559f14aae8ac - core::fmt::write::hdaea18585065a96d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x559f14a891c3 - std::io::Write::write_fmt::h0cea70c809005252
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x559f14a8e0c5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x559f14a8e0c5 - std::sys_common::backtrace::print::hfb25ca2291be47d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x559f14a8e0c5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x559f14a8de02 - std::panicking::default_hook::h198e1a712910f1e6
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x559f14a8e6d2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x559f14a65d5d - std::panicking::begin_panic::h4356e27f3d021d6b
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x559f14a63aa8 - build_script_build::main::hd86c2023247bf083
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.3.10/build.rs:38
[INFO] [stderr]   13:     0x559f14a64fab - std::rt::lang_start::{{closure}}::h125926d5e76c61aa
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
[INFO] [stderr]   14:     0x559f14a8eb18 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   15:     0x559f14a8eb18 - std::panicking::try::do_call::h6d214a73427d759b
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   16:     0x559f14a8eb18 - std::panicking::try::hc078f0e11721d1cb
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   17:     0x559f14a8eb18 - std::panic::catch_unwind::hb31c05be30625612
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x559f14a8eb18 - std::rt::lang_start_internal::hcf7fb98a775d5af0
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   19:     0x559f14a64f87 - std::rt::lang_start::h05d3102b242a1d09
[INFO] [stderr]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
[INFO] [stderr]   20:     0x559f14a6490a - main
[INFO] [stderr]   21:     0x7f60c81870b3 - __libc_start_main
[INFO] [stderr]   22:     0x559f14a6317e - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8f6961558202d394bef174b293186037e6d8bcb4e362ad0861919e6ec15ec90e"`
[INFO] running `"docker" "rm" "-f" "8f6961558202d394bef174b293186037e6d8bcb4e362ad0861919e6ec15ec90e"`
[INFO] [stdout] 8f6961558202d394bef174b293186037e6d8bcb4e362ad0861919e6ec15ec90e