[INFO] fetching crate docs-rs-env-print 0.1.0...
[INFO] testing docs-rs-env-print-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate docs-rs-env-print 0.1.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate docs-rs-env-print 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9caf87f7b1ff6540740e7eb46b000b27d388f6a967e2d3848e321a15a04e155d
[INFO] running `Command { std: "docker" "start" "-a" "9caf87f7b1ff6540740e7eb46b000b27d388f6a967e2d3848e321a15a04e155d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9caf87f7b1ff6540740e7eb46b000b27d388f6a967e2d3848e321a15a04e155d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9caf87f7b1ff6540740e7eb46b000b27d388f6a967e2d3848e321a15a04e155d", kill_on_drop: false }`
[INFO] [stdout] 9caf87f7b1ff6540740e7eb46b000b27d388f6a967e2d3848e321a15a04e155d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f561fc3d99cb2d1fff513d7a34d23d8a20dbbb527081363672314517a4c7bb
[INFO] running `Command { std: "docker" "start" "-a" "f2f561fc3d99cb2d1fff513d7a34d23d8a20dbbb527081363672314517a4c7bb", 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-1953b8c1bcbc3278/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO=/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/cargo
[INFO] [stderr]   CARGO_CFG_FEATURE=
[INFO] [stderr]   CARGO_CFG_FMT_DEBUG=full
[INFO] [stderr]   CARGO_CFG_OVERFLOW_CHECKS=
[INFO] [stderr]   CARGO_CFG_PANIC=unwind
[INFO] [stderr]   CARGO_CFG_RELOCATION_MODEL=pic
[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,x87
[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_HAS_RELIABLE_F128=
[INFO] [stderr]   CARGO_CFG_TARGET_HAS_RELIABLE_F16=
[INFO] [stderr]   CARGO_CFG_TARGET_HAS_RELIABLE_F16_MATH=
[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_UB_CHECKS=
[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=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=f2f561fc3d99
[INFO] [stderr]   LD_LIBRARY_PATH=/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/lib
[INFO] [stderr]   NUM_JOBS=16
[INFO] [stderr]   OPT_LEVEL=0
[INFO] [stderr]   OUT_DIR=/opt/rustwide/target/debug/build/docs-rs-env-print-c15332e2eb523a33/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/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc
[INFO] [stderr]   RUSTDOC=/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustdoc
[INFO] [stderr]   RUSTDOCFLAGS=--cap-lints=forbid
[INFO] [stderr]   RUSTUP_HOME=/opt/rustwide/rustup-home
[INFO] [stderr]   RUSTUP_TOOLCHAIN=c2e32f1c9652b13ed99608599c1e855462f421f3
[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' (52) panicked at build.rs:3:5:
[INFO] [stderr]   explicit panic
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5884a211eab2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5884a211eab2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5884a211eab2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5884a211eab2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5884a212d78f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5884a212d78f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5884a20fca73 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5884a20fca73 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5884a2101f92 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5884a210381c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5884a2103676 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5884a2103df5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5884a210356c - std::panicking::begin_panic::{{closure}}::hbca37b9370ed1d4e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:771:9
[INFO] [stderr]     13:     0x5884a21020d9 - std::sys::backtrace::__rust_end_short_backtrace::h383389d914306e48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5884a2103539 - std::panicking::begin_panic::hacb00ff898b62556
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:770:5
[INFO] [stderr]     15:     0x5884a20f07d2 - build_script_build::main::he417d5e6bd0c557f
[INFO] [stderr]     16:     0x5884a20f09d3 - core::ops::function::FnOnce::call_once::h31b9fcce4bbffe62
[INFO] [stderr]     17:     0x5884a20f0946 - std::sys::backtrace::__rust_begin_short_backtrace::h4a0bc5ab3b27f84d
[INFO] [stderr]     18:     0x5884a20f0929 - std::rt::lang_start::{{closure}}::hefc9dcb3764e557a
[INFO] [stderr]     19:     0x5884a20fdc50 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     20:     0x5884a20fdc50 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     21:     0x5884a20fdc50 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     22:     0x5884a20fdc50 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     23:     0x5884a20fdc50 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     24:     0x5884a20fdc50 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5884a20fdc50 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5884a20fdc50 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5884a20fdc50 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     28:     0x5884a20f0911 - std::rt::lang_start::h9d3b9e29b0d8f0a1
[INFO] [stderr]     29:     0x5884a20f11f5 - main
[INFO] [stderr]     30:     0x726523b431ca - <unknown>
[INFO] [stderr]     31:     0x726523b4328b - __libc_start_main
[INFO] [stderr]     32:     0x5884a20f0685 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f2f561fc3d99cb2d1fff513d7a34d23d8a20dbbb527081363672314517a4c7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f561fc3d99cb2d1fff513d7a34d23d8a20dbbb527081363672314517a4c7bb", kill_on_drop: false }`
[INFO] [stdout] f2f561fc3d99cb2d1fff513d7a34d23d8a20dbbb527081363672314517a4c7bb
