[INFO] fetching crate chibi-scheme 0.1.0...
[INFO] checking chibi-scheme-0.1.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate chibi-scheme 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chibi-scheme 0.1.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chibi-scheme 0.1.0
[INFO] finished tweaking crates.io crate chibi-scheme 0.1.0
[INFO] tweaked toml for crates.io crate chibi-scheme 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6a71a5b00412c63e09ac619ea9300834dee0f60b806624516442447881e2ef
[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" "ce6a71a5b00412c63e09ac619ea9300834dee0f60b806624516442447881e2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6a71a5b00412c63e09ac619ea9300834dee0f60b806624516442447881e2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6a71a5b00412c63e09ac619ea9300834dee0f60b806624516442447881e2ef", kill_on_drop: false }`
[INFO] [stdout] ce6a71a5b00412c63e09ac619ea9300834dee0f60b806624516442447881e2ef
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6aa483692841d2c9b3d87c855e61e7702a7aa7871175790050b3013ecc6e52
[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" "0e6aa483692841d2c9b3d87c855e61e7702a7aa7871175790050b3013ecc6e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling chibi-scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `chibi-scheme v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/chibi-scheme-4bdaad77def687fe/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into 'chibi-scheme'...
[INFO] [stderr]   fatal: unable to access 'https://github.com/ashinn/chibi-scheme/': Could not resolve host: github.com
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:58:42
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d2fb76d7d0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55d2fb76d7d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d2fb76d7d0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d2fb76d7d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d2fb78eb8f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55d2fb76a6c2 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x55d2fb76f855 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d2fb76f855 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d2fb76f855 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55d2fb76f303 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55d2fb76fe5d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55d2fb76f9f7 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55d2fb76dc8c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d2fb76f959 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55d2fb21a901 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55d2fb21a7f3 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x55d2fb21ddbe - core::result::Result<T,E>::unwrap::h0e7690dd312b2887
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55d2fb2207bd - build_script_build::main::h4b2e33217d6e7402
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:58:5
[INFO] [stderr]     18:     0x55d2fb21e39b - core::ops::function::FnOnce::call_once::h66e50e2a3de8693e
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55d2fb22175e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd5aa9b8655f72e3e
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55d2fb21dc31 - std::rt::lang_start::{{closure}}::hc6ef1eca093a6cad
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55d2fb77025a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55d2fb77025a - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55d2fb77025a - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55d2fb77025a - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55d2fb77025a - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55d2fb21dc10 - std::rt::lang_start::h8f5920d1df9cb3a6
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55d2fb22112c - main
[INFO] [stderr]     28:     0x7f0e1c0dd0b3 - __libc_start_main
[INFO] [stderr]     29:     0x55d2fb21b00e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0e6aa483692841d2c9b3d87c855e61e7702a7aa7871175790050b3013ecc6e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6aa483692841d2c9b3d87c855e61e7702a7aa7871175790050b3013ecc6e52", kill_on_drop: false }`
[INFO] [stdout] 0e6aa483692841d2c9b3d87c855e61e7702a7aa7871175790050b3013ecc6e52