[INFO] fetching crate docs-rs-env-print 0.1.0...
[INFO] testing docs-rs-env-print-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate docs-rs-env-print 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate docs-rs-env-print 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2543f2175d5a57b04c0fefb8906afeb383816d612e462d42ac9d6b02d750cb9b
[INFO] running `Command { std: "docker" "start" "-a" "2543f2175d5a57b04c0fefb8906afeb383816d612e462d42ac9d6b02d750cb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2543f2175d5a57b04c0fefb8906afeb383816d612e462d42ac9d6b02d750cb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2543f2175d5a57b04c0fefb8906afeb383816d612e462d42ac9d6b02d750cb9b", kill_on_drop: false }`
[INFO] [stdout] 2543f2175d5a57b04c0fefb8906afeb383816d612e462d42ac9d6b02d750cb9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c77e388197e698f79814cfc19212d177926f91129fab96bc6e1f5145ea4f75c1
[INFO] running `Command { std: "docker" "start" "-a" "c77e388197e698f79814cfc19212d177926f91129fab96bc6e1f5145ea4f75c1", 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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/docs-rs-env-print-4870251ae4720b10/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO=/opt/rustwide/rustup-home/toolchains/beta-2022-02-22-x86_64-unknown-linux-gnu/bin/cargo
[INFO] [stderr]   CARGO_CFG_PANIC=unwind
[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_OS=linux
[INFO] [stderr]   CARGO_CFG_TARGET_POINTER_WIDTH=64
[INFO] [stderr]   CARGO_CFG_TARGET_VENDOR=unknown
[INFO] [stderr]   CARGO_CFG_UNIX=
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS=--cap-lints=warn
[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_REPOSITORY=
[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=c77e388197e6
[INFO] [stderr]   LD_LIBRARY_PATH=/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/beta-2022-02-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/beta-2022-02-22-x86_64-unknown-linux-gnu/lib
[INFO] [stderr]   NUM_JOBS=56
[INFO] [stderr]   OPT_LEVEL=0
[INFO] [stderr]   OUT_DIR=/opt/rustwide/target/debug/build/docs-rs-env-print-787904d9f186d454/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=rustc
[INFO] [stderr]   RUSTDOC=rustdoc
[INFO] [stderr]   RUSTUP_HOME=/opt/rustwide/rustup-home
[INFO] [stderr]   RUSTUP_TOOLCHAIN=beta-2022-02-22-x86_64-unknown-linux-gnu
[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:     0x5571790c487c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5571790c487c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5571790c487c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5571790c487c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5571790e10ec - core::fmt::write::hadd15acf4d6ce273
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x5571790c1768 - std::io::Write::write_fmt::h0f87f6c0c21ec48a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x5571790c6567 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5571790c6567 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5571790c6567 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5571790c622f - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5571790c6cba - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x5571790afe04 - std::panicking::begin_panic::{{closure}}::h1998a291edff9cc2
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:617:9
[INFO] [stderr]     12:     0x5571790b0498 - std::sys_common::backtrace::__rust_end_short_backtrace::h3d11ad77432b417d
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5571790afd7f - std::panicking::begin_panic::had91d31c0bf1d04f
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:616:12
[INFO] [stderr]     14:     0x5571790b0211 - build_script_build::main::hcbc1ad177a3873dd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:3:5
[INFO] [stderr]     15:     0x5571790aea7b - core::ops::function::FnOnce::call_once::h3f6b268b4713dc4c
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x5571790b043e - std::sys_common::backtrace::__rust_begin_short_backtrace::hde2579da937e076f
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     17:     0x5571790afc21 - std::rt::lang_start::{{closure}}::hac91f88f75cd63e9
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:145:18
[INFO] [stderr]     18:     0x5571790c3f61 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9e134bb161d17658
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x5571790c3f61 - std::panicking::try::do_call::h7f361d911648db1a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stderr]     20:     0x5571790c3f61 - std::panicking::try::hbe441b12f8ff00e7
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stderr]     21:     0x5571790c3f61 - std::panic::catch_unwind::h12066b7ab56d7459
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stderr]     22:     0x5571790c3f61 - std::rt::lang_start_internal::{{closure}}::h901c86e61467dcde
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:48
[INFO] [stderr]     23:     0x5571790c3f61 - std::panicking::try::do_call::h1817b5f028d90a8c
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x5571790c3f61 - std::panicking::try::hd5afeaf2f0454960
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x5571790c3f61 - std::panic::catch_unwind::h13348562ae6426ca
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x5571790c3f61 - std::rt::lang_start_internal::hf194c7db73fedcb2
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:20
[INFO] [stderr]     27:     0x5571790afbf0 - std::rt::lang_start::hb7ded2fc43237d33
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:144:17
[INFO] [stderr]     28:     0x5571790b04ec - main
[INFO] [stderr]     29:     0x7f8eca6660b3 - __libc_start_main
[INFO] [stderr]     30:     0x5571790ada7e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c77e388197e698f79814cfc19212d177926f91129fab96bc6e1f5145ea4f75c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77e388197e698f79814cfc19212d177926f91129fab96bc6e1f5145ea4f75c1", kill_on_drop: false }`
[INFO] [stdout] c77e388197e698f79814cfc19212d177926f91129fab96bc6e1f5145ea4f75c1