[INFO] fetching crate docs-rs-env-print 0.1.0...
[INFO] testing docs-rs-env-print-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate docs-rs-env-print 0.1.0 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate docs-rs-env-print 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37e8bef76f7a293533bb06dffe8dfbbd91d9f9871ee06876c144fa61cb0da399
[INFO] running `Command { std: "docker" "start" "-a" "37e8bef76f7a293533bb06dffe8dfbbd91d9f9871ee06876c144fa61cb0da399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e8bef76f7a293533bb06dffe8dfbbd91d9f9871ee06876c144fa61cb0da399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e8bef76f7a293533bb06dffe8dfbbd91d9f9871ee06876c144fa61cb0da399", kill_on_drop: false }`
[INFO] [stdout] 37e8bef76f7a293533bb06dffe8dfbbd91d9f9871ee06876c144fa61cb0da399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf78215d35c77b401a35f88488c9d2fa0f1bc0f1fd445f9b0b423d7eeae6d70
[INFO] running `Command { std: "docker" "start" "-a" "6bf78215d35c77b401a35f88488c9d2fa0f1bc0f1fd445f9b0b423d7eeae6d70", 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-4740e407ab0d9d8f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO=/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/cargo
[INFO] [stderr]   CARGO_CFG_FEATURE=
[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_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=6,7 --jobserver-auth=6,7
[INFO] [stderr]   CARGO_MANIFEST_DIR=/opt/rustwide/workdir
[INFO] [stderr]   CARGO_MANIFEST_PATH=/opt/rustwide/workdir/Cargo.toml
[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=6bf78215d35c
[INFO] [stderr]   LD_LIBRARY_PATH=/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib
[INFO] [stderr]   NUM_JOBS=16
[INFO] [stderr]   OPT_LEVEL=0
[INFO] [stderr]   OUT_DIR=/opt/rustwide/target/debug/build/docs-rs-env-print-b8076bf748be96fe/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/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc
[INFO] [stderr]   RUSTDOC=/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustdoc
[INFO] [stderr]   RUSTDOCFLAGS=--cap-lints=warn
[INFO] [stderr]   RUSTUP_HOME=/opt/rustwide/rustup-home
[INFO] [stderr]   RUSTUP_TOOLCHAIN=beta-2025-09-21-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/cert.pem
[INFO] [stderr]   TARGET=x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (51) panicked at build.rs:3:5:
[INFO] [stderr]   explicit panic
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56ff4652d7d2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56ff4652d7d2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56ff4652d7d2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56ff4652d7d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56ff4653c5df - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x56ff4653c5df - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x56ff4650b0c1 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56ff4650b0c1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x56ff46510892 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56ff4651214c - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x56ff46511fa6 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x56ff465127d5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x56ff46511e9c - std::panicking::begin_panic::{{closure}}::h03764aec75fd6fbf
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:771:9
[INFO] [stderr]     13:     0x56ff465109d9 - std::sys::backtrace::__rust_end_short_backtrace::h840811b1dfa0dad5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x56ff46511e69 - std::panicking::begin_panic::hcf2bdd8da61aefe8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:770:5
[INFO] [stderr]     15:     0x56ff464feec2 - build_script_build::main::h3138aa5e3b8c8384
[INFO] [stderr]     16:     0x56ff464ff103 - core::ops::function::FnOnce::call_once::h387d351031fe29eb
[INFO] [stderr]     17:     0x56ff464ff036 - std::sys::backtrace::__rust_begin_short_backtrace::hd6ba2ed9b0178e77
[INFO] [stderr]     18:     0x56ff464ff019 - std::rt::lang_start::{{closure}}::h3c65ed05d9382aa5
[INFO] [stderr]     19:     0x56ff4650c4f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     20:     0x56ff4650c4f0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     21:     0x56ff4650c4f0 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     22:     0x56ff4650c4f0 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     23:     0x56ff4650c4f0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     24:     0x56ff4650c4f0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x56ff4650c4f0 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x56ff4650c4f0 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56ff4650c4f0 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     28:     0x56ff464ff001 - std::rt::lang_start::hb971e27a42091377
[INFO] [stderr]     29:     0x56ff464ff8e5 - main
[INFO] [stderr]     30:     0x721e71e551ca - <unknown>
[INFO] [stderr]     31:     0x721e71e5528b - __libc_start_main
[INFO] [stderr]     32:     0x56ff464fed15 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6bf78215d35c77b401a35f88488c9d2fa0f1bc0f1fd445f9b0b423d7eeae6d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf78215d35c77b401a35f88488c9d2fa0f1bc0f1fd445f9b0b423d7eeae6d70", kill_on_drop: false }`
[INFO] [stdout] 6bf78215d35c77b401a35f88488c9d2fa0f1bc0f1fd445f9b0b423d7eeae6d70
