[INFO] cloning repository https://github.com/WilliamVenner/build_cfg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/build_cfg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fbuild_cfg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fbuild_cfg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6230f0fdc317182d4297cd8a2615fbadef2d7983
[INFO] testing WilliamVenner/build_cfg against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fbuild_cfg" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WilliamVenner/build_cfg
[INFO] finished tweaking git repo https://github.com/WilliamVenner/build_cfg
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/build_cfg written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WilliamVenner/build_cfg on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WilliamVenner/build_cfg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c354a6c8a26a1a049e26fa732e4214cce33981b98cab23966a8a54432dae9f0
[INFO] running `Command { std: "docker" "start" "-a" "8c354a6c8a26a1a049e26fa732e4214cce33981b98cab23966a8a54432dae9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c354a6c8a26a1a049e26fa732e4214cce33981b98cab23966a8a54432dae9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c354a6c8a26a1a049e26fa732e4214cce33981b98cab23966a8a54432dae9f0", kill_on_drop: false }`
[INFO] [stdout] 8c354a6c8a26a1a049e26fa732e4214cce33981b98cab23966a8a54432dae9f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cdd1dc6daa64ecebfefffa126d71d96ed93bdf118c4094931d7c91bab908728
[INFO] running `Command { std: "docker" "start" "-a" "8cdd1dc6daa64ecebfefffa126d71d96ed93bdf118c4094931d7c91bab908728", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling build_cfg_shared v1.1.0 (/opt/rustwide/workdir/build_cfg_shared)
[INFO] [stderr]    Compiling build_cfg_macros v1.1.0 (/opt/rustwide/workdir/build_cfg_macros)
[INFO] [stderr]    Compiling build_cfg v1.1.0 (/opt/rustwide/workdir/build_cfg)
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "8cdd1dc6daa64ecebfefffa126d71d96ed93bdf118c4094931d7c91bab908728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdd1dc6daa64ecebfefffa126d71d96ed93bdf118c4094931d7c91bab908728", kill_on_drop: false }`
[INFO] [stdout] 8cdd1dc6daa64ecebfefffa126d71d96ed93bdf118c4094931d7c91bab908728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7433df89386349565e5a65bdd3fcfad1e2cf1b90c08fe8fea45b662b4377c25d
[INFO] running `Command { std: "docker" "start" "-a" "7433df89386349565e5a65bdd3fcfad1e2cf1b90c08fe8fea45b662b4377c25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_cfg_shared v1.1.0 (/opt/rustwide/workdir/build_cfg_shared)
[INFO] [stderr]    Compiling build_cfg_macros v1.1.0 (/opt/rustwide/workdir/build_cfg_macros)
[INFO] [stderr]    Compiling build_cfg v1.1.0 (/opt/rustwide/workdir/build_cfg)
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "7433df89386349565e5a65bdd3fcfad1e2cf1b90c08fe8fea45b662b4377c25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7433df89386349565e5a65bdd3fcfad1e2cf1b90c08fe8fea45b662b4377c25d", kill_on_drop: false }`
[INFO] [stdout] 7433df89386349565e5a65bdd3fcfad1e2cf1b90c08fe8fea45b662b4377c25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4881f1e6f5bb031bb928aa6aa94ce03e68f8273b2af9ce141c40e4c82c8d6067
[INFO] running `Command { std: "docker" "start" "-a" "4881f1e6f5bb031bb928aa6aa94ce03e68f8273b2af9ce141c40e4c82c8d6067", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/build_cfg-97600f59a4c4f749)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/build_cfg_macros-80a79131a2c58f73)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/build_cfg_shared-d7dd5a717162ec56)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tests-a39bb2b5b126a4e6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_mixed ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_target_family_shortcut ... ok
[INFO] [stdout] test tests::test_set ... ok
[INFO] [stdout] test tests::test_state ... ok
[INFO] [stdout] test tests::test_state_empty - should panic ... ok
[INFO] [stdout] test tests::test_state_uninit - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests build_cfg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test build_cfg/src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- build_cfg/src/lib.rs - (line 13) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (51) panicked at build_cfg/src/lib.rs:53:4:
[INFO] [stdout] Not in a Cargo/build script environment.
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56d3ba28baca - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56d3ba28baca - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56d3ba28baca - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56d3ba28baca - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56d3ba29c17a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56d3ba29c17a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x56d3ba28f512 - std[1209cfb42f6d497f]::io::default_write_fmt::<std[1209cfb42f6d497f]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56d3ba28f512 - <std[1209cfb42f6d497f]::sys::stdio::unix::Stderr as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56d3ba27716f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56d3ba27716f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56d3ba287d21 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x56d3ba287edb - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x56d3ba27678c - std[1209cfb42f6d497f]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:762:9
[INFO] [stdout]   13:     0x56d3ba26c749 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x56d3ba26a470 - std[1209cfb42f6d497f]::panicking::begin_panic::<&str>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:761:5
[INFO] [stdout]   15:     0x56d3ba2527cd - build_cfg[7351f14b8f9ac4bc]::__private::populate_cfg::<std[1209cfb42f6d497f]::env::VarsOs>
[INFO] [stdout]   16:     0x56d3ba252efc - rust_out[b88cb90d1d05b049]::main
[INFO] [stdout]   17:     0x56d3ba253f53 - <fn() as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   18:     0x56d3ba252d06 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   19:     0x56d3ba252d19 - std[1209cfb42f6d497f]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   20:     0x56d3ba2870a7 - <&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   21:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   22:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panicking::catch_unwind::<i32, &dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   23:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panic::catch_unwind::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   24:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:175:24
[INFO] [stdout]   25:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panicking::catch_unwind::<isize, std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   27:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::panic::catch_unwind::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x56d3ba2870a7 - std[1209cfb42f6d497f]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:171:5
[INFO] [stdout]   29:     0x56d3ba2523d1 - std[1209cfb42f6d497f]::rt::lang_start::<()>
[INFO] [stdout]   30:     0x56d3ba254005 - main
[INFO] [stdout]   31:     0x7132f350b1ca - <unknown>
[INFO] [stdout]   32:     0x7132f350b28b - __libc_start_main
[INFO] [stdout]   33:     0x56d3ba251ef5 - _start
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     build_cfg/src/lib.rs - (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p build_cfg --doc`
[INFO] running `Command { std: "docker" "inspect" "4881f1e6f5bb031bb928aa6aa94ce03e68f8273b2af9ce141c40e4c82c8d6067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4881f1e6f5bb031bb928aa6aa94ce03e68f8273b2af9ce141c40e4c82c8d6067", kill_on_drop: false }`
[INFO] [stdout] 4881f1e6f5bb031bb928aa6aa94ce03e68f8273b2af9ce141c40e4c82c8d6067
