[INFO] fetching crate docs-rs-env-print 0.1.0...
[INFO] checking docs-rs-env-print-0.1.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate docs-rs-env-print 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate docs-rs-env-print 0.1.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docs-rs-env-print 0.1.0
[INFO] finished tweaking crates.io crate docs-rs-env-print 0.1.0
[INFO] tweaked toml for crates.io crate docs-rs-env-print 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aabb62ddbdfb8a70642ab91020674919f50822a13c630776c107aa637de1d651
[INFO] running `Command { std: "docker" "start" "-a" "aabb62ddbdfb8a70642ab91020674919f50822a13c630776c107aa637de1d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aabb62ddbdfb8a70642ab91020674919f50822a13c630776c107aa637de1d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabb62ddbdfb8a70642ab91020674919f50822a13c630776c107aa637de1d651", kill_on_drop: false }`
[INFO] [stdout] aabb62ddbdfb8a70642ab91020674919f50822a13c630776c107aa637de1d651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a212a6a0584125f3e239a1cfe0f49ff7580e9d68f0080f763cc9a7d0317cacb9
[INFO] running `Command { std: "docker" "start" "-a" "a212a6a0584125f3e239a1cfe0f49ff7580e9d68f0080f763cc9a7d0317cacb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling docs-rs-env-print v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `docs-rs-env-print v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/docs-rs-env-print-1c8ec8b6c6bc2066/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO=/opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/bin/cargo
[INFO] [stderr]   CARGO_CFG_OVERFLOW_CHECKS=
[INFO] [stderr]   CARGO_CFG_PANIC=unwind
[INFO] [stderr]   CARGO_CFG_TARGET_ABI=
[INFO] [stderr]   CARGO_CFG_TARGET_ARCH=x86_64
[INFO] [stderr]   CARGO_CFG_TARGET_ENDIAN=little
[INFO] [stderr]   CARGO_CFG_TARGET_ENV=gnu
[INFO] [stderr]   CARGO_CFG_TARGET_FAMILY=unix
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE=fxsr,sse,sse2
[INFO] [stderr]   CARGO_CFG_TARGET_HAS_ATOMIC=16,32,64,8,ptr
[INFO] [stderr]   CARGO_CFG_TARGET_HAS_ATOMIC_EQUAL_ALIGNMENT=16,32,64,8,ptr
[INFO] [stderr]   CARGO_CFG_TARGET_HAS_ATOMIC_LOAD_STORE=16,32,64,8,ptr
[INFO] [stderr]   CARGO_CFG_TARGET_OS=linux
[INFO] [stderr]   CARGO_CFG_TARGET_POINTER_WIDTH=64
[INFO] [stderr]   CARGO_CFG_TARGET_THREAD_LOCAL=
[INFO] [stderr]   CARGO_CFG_TARGET_VENDOR=unknown
[INFO] [stderr]   CARGO_CFG_UNIX=
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS=--cap-lints=forbid
[INFO] [stderr]   CARGO_HOME=/opt/rustwide/cargo-home
[INFO] [stderr]   CARGO_INCREMENTAL=0
[INFO] [stderr]   CARGO_MAKEFLAGS=-j --jobserver-fds=5,6 --jobserver-auth=5,6
[INFO] [stderr]   CARGO_MANIFEST_DIR=/opt/rustwide/workdir
[INFO] [stderr]   CARGO_PKG_AUTHORS=lights0123 <developer@lights0123.com>
[INFO] [stderr]   CARGO_PKG_DESCRIPTION=DON'T USE—for detecting docs.rs build envs
[INFO] [stderr]   CARGO_PKG_HOMEPAGE=
[INFO] [stderr]   CARGO_PKG_LICENSE=MIT OR Apache-2.0
[INFO] [stderr]   CARGO_PKG_LICENSE_FILE=
[INFO] [stderr]   CARGO_PKG_NAME=docs-rs-env-print
[INFO] [stderr]   CARGO_PKG_README=
[INFO] [stderr]   CARGO_PKG_REPOSITORY=
[INFO] [stderr]   CARGO_PKG_RUST_VERSION=
[INFO] [stderr]   CARGO_PKG_VERSION=0.1.0
[INFO] [stderr]   CARGO_PKG_VERSION_MAJOR=0
[INFO] [stderr]   CARGO_PKG_VERSION_MINOR=1
[INFO] [stderr]   CARGO_PKG_VERSION_PATCH=0
[INFO] [stderr]   CARGO_PKG_VERSION_PRE=
[INFO] [stderr]   CARGO_TARGET_DIR=/opt/rustwide/target
[INFO] [stderr]   DEBUG=true
[INFO] [stderr]   HOME=/root
[INFO] [stderr]   HOST=x86_64-unknown-linux-gnu
[INFO] [stderr]   HOSTNAME=a212a6a05841
[INFO] [stderr]   LD_LIBRARY_PATH=/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib
[INFO] [stderr]   NUM_JOBS=16
[INFO] [stderr]   OPT_LEVEL=0
[INFO] [stderr]   OUT_DIR=/opt/rustwide/target/debug/build/docs-rs-env-print-8f1bf0f7c60e6dbe/out
[INFO] [stderr]   PATH=/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
[INFO] [stderr]   PROFILE=debug
[INFO] [stderr]   RUSTC=/opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/bin/rustc
[INFO] [stderr]   RUSTDOC=/opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/bin/rustdoc
[INFO] [stderr]   RUSTDOCFLAGS=--cap-lints=forbid
[INFO] [stderr]   RUSTUP_HOME=/opt/rustwide/rustup-home
[INFO] [stderr]   RUSTUP_TOOLCHAIN=e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] [stderr]   RUST_BACKTRACE=full
[INFO] [stderr]   RUST_RECURSION_COUNT=1
[INFO] [stderr]   SOURCE_DIR=/opt/rustwide/workdir
[INFO] [stderr]   SSL_CERT_DIR=/usr/lib/ssl/certs
[INFO] [stderr]   SSL_CERT_FILE=/usr/lib/ssl/certs/ca-certificates.crt
[INFO] [stderr]   TARGET=x86_64-unknown-linux-gnu
[INFO] [stderr]   thread 'main' panicked at 'explicit panic', build.rs:3:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562205f7c221 - std::backtrace_rs::backtrace::libunwind::trace::ha9d9de1bf4176bfa
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x562205f7c221 - std::backtrace_rs::backtrace::trace_unsynchronized::h165c36ef694ada1c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562205f7c221 - std::sys_common::backtrace::_print_fmt::h4d89c7ce1e89b43d
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x562205f7c221 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfc68e8a2f3b7b37c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562205f97d7f - core::fmt::rt::Argument::fmt::hc7dd5538f3de21b7
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/rt.rs:138:9
[INFO] [stderr]      5:     0x562205f97d7f - core::fmt::write::hac9705ca9b43c249
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/mod.rs:1094:21
[INFO] [stderr]      6:     0x562205f7a491 - std::io::Write::write_fmt::h7bc9466b47d6774b
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/io/mod.rs:1713:15
[INFO] [stderr]      7:     0x562205f7c035 - std::sys_common::backtrace::_print::h03072469d8150f3e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x562205f7c035 - std::sys_common::backtrace::print::hd0f67791f02b87ae
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x562205f7d3b7 - std::panicking::default_hook::{{closure}}::h7c8ccb2c703d1528
[INFO] [stderr]     10:     0x562205f7d1a4 - std::panicking::default_hook::h770c31d58b53801e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:288:9
[INFO] [stderr]     11:     0x562205f7d86c - std::panicking::rust_panic_with_hook::hb50e58c42f5187f2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:705:13
[INFO] [stderr]     12:     0x562205f623aa - std::panicking::begin_panic::{{closure}}::h2a23bdcc890deff3
[INFO] [stderr]     13:     0x562205f61fb6 - std::sys_common::backtrace::__rust_end_short_backtrace::he4d7f4f9cd0020d4
[INFO] [stderr]     14:     0x562205f62327 - std::panicking::begin_panic::hfa746e2fe1316439
[INFO] [stderr]     15:     0x562205f61cf7 - build_script_build::main::h1299e69d9f0926cf
[INFO] [stderr]     16:     0x562205f62603 - core::ops::function::FnOnce::call_once::hd6f1660a29340d1d
[INFO] [stderr]     17:     0x562205f61fc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h76f317634e413ec6
[INFO] [stderr]     18:     0x562205f61ca9 - std::rt::lang_start::{{closure}}::h2c61a000b23542cf
[INFO] [stderr]     19:     0x562205f777f5 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb332f02ff9fc81e2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     20:     0x562205f777f5 - std::panicking::try::do_call::hed879afea606d968
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     21:     0x562205f777f5 - std::panicking::try::h395a878f3e4bd2f0
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     22:     0x562205f777f5 - std::panic::catch_unwind::hb44b6ea043448d57
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     23:     0x562205f777f5 - std::rt::lang_start_internal::{{closure}}::h6184ba9e5b3e5fbf
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:48
[INFO] [stderr]     24:     0x562205f777f5 - std::panicking::try::do_call::h8b2c97d4d3608274
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     25:     0x562205f777f5 - std::panicking::try::hfa4cc536e097f1fe
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     26:     0x562205f777f5 - std::panic::catch_unwind::ha3e2192625bb4844
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x562205f777f5 - std::rt::lang_start_internal::hbd6687884d030770
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:20
[INFO] [stderr]     28:     0x562205f61c87 - std::rt::lang_start::hc8397e8d1318606b
[INFO] [stderr]     29:     0x562205f61eb5 - main
[INFO] [stderr]     30:     0x7f0f04c25d90 - <unknown>
[INFO] [stderr]     31:     0x7f0f04c25e40 - __libc_start_main
[INFO] [stderr]     32:     0x562205f614d5 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a212a6a0584125f3e239a1cfe0f49ff7580e9d68f0080f763cc9a7d0317cacb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a212a6a0584125f3e239a1cfe0f49ff7580e9d68f0080f763cc9a7d0317cacb9", kill_on_drop: false }`
[INFO] [stdout] a212a6a0584125f3e239a1cfe0f49ff7580e9d68f0080f763cc9a7d0317cacb9
