[INFO] fetching crate docs-rs-env-print 0.1.0... [INFO] testing docs-rs-env-print-0.1.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate docs-rs-env-print 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate docs-rs-env-print 0.1.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58b63b9bd147fe60f06be24db76ba6b909c4ed1c21f44bc963f00216fab13a69 [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" "58b63b9bd147fe60f06be24db76ba6b909c4ed1c21f44bc963f00216fab13a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58b63b9bd147fe60f06be24db76ba6b909c4ed1c21f44bc963f00216fab13a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b63b9bd147fe60f06be24db76ba6b909c4ed1c21f44bc963f00216fab13a69", kill_on_drop: false }` [INFO] [stdout] 58b63b9bd147fe60f06be24db76ba6b909c4ed1c21f44bc963f00216fab13a69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 573163105d1a661d596e2f22f4e60748b18a2b76ef797ee4299c1eee502f434d [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" "573163105d1a661d596e2f22f4e60748b18a2b76ef797ee4299c1eee502f434d", 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-b1f7b961c55dc826/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] CARGO=/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/bin/cargo [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_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_HOME=/opt/rustwide/cargo-home [INFO] [stderr] CARGO_INCREMENTAL=0 [INFO] [stderr] CARGO_MAKEFLAGS=--jobserver-fds=5,6 -j --jobserver-auth=5,6 -j [INFO] [stderr] CARGO_MANIFEST_DIR=/opt/rustwide/workdir [INFO] [stderr] CARGO_PKG_AUTHORS=lights0123 [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=573163105d1a [INFO] [stderr] LD_LIBRARY_PATH=/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/1.49.0-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-3f98f93d72ac6704/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] PWD=/opt/rustwide/workdir [INFO] [stderr] RUSTC=rustc [INFO] [stderr] RUSTDOC=rustdoc [INFO] [stderr] RUSTFLAGS=--cap-lints=warn [INFO] [stderr] RUSTUP_HOME=/opt/rustwide/rustup-home [INFO] [stderr] RUSTUP_TOOLCHAIN=1.49.0-x86_64-unknown-linux-gnu [INFO] [stderr] RUST_BACKTRACE=full [INFO] [stderr] RUST_RECURSION_COUNT=1 [INFO] [stderr] SHLVL=0 [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: 0x55f7d64449e0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55f7d64449e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f7d64449e0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f7d64449e0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f7d645dbdc - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55f7d6442cf2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x55f7d6446b45 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f7d6446b45 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f7d6446b45 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f7d64467e8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55f7d6447281 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55f7d6431a3a - std::panicking::begin_panic::{{closure}}::hefbb46811b491b8a [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x55f7d6431da8 - std::sys_common::backtrace::__rust_end_short_backtrace::h8997795ad4f0626d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f7d6431977 - std::panicking::begin_panic::hab0ed1e72f717f7a [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x55f7d642fd2d - build_script_build::main::h00311c3fb9fde912 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:3:5 [INFO] [stderr] 15: 0x55f7d643012b - core::ops::function::FnOnce::call_once::h62f66cc3fdd0620d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55f7d6431dde - std::sys_common::backtrace::__rust_begin_short_backtrace::hfc2f9d61e24cbd73 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55f7d64316a1 - std::rt::lang_start::{{closure}}::hc52abedc98214ca3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x55f7d64476a7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55f7d64476a7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 20: 0x55f7d64476a7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 21: 0x55f7d64476a7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x55f7d64476a7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x55f7d6431677 - std::rt::lang_start::h3471fd2f786bf70f [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x55f7d642feea - main [INFO] [stderr] 25: 0x7fd9eca810b3 - __libc_start_main [INFO] [stderr] 26: 0x55f7d642f09e - _start [INFO] [stderr] 27: 0x0 - [INFO] running `Command { std: "docker" "inspect" "573163105d1a661d596e2f22f4e60748b18a2b76ef797ee4299c1eee502f434d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573163105d1a661d596e2f22f4e60748b18a2b76ef797ee4299c1eee502f434d", kill_on_drop: false }` [INFO] [stdout] 573163105d1a661d596e2f22f4e60748b18a2b76ef797ee4299c1eee502f434d