[INFO] fetching crate safe 0.1.0...
[INFO] testing safe-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate safe 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate safe 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe 0.1.0
[INFO] finished tweaking crates.io crate safe 0.1.0
[INFO] tweaked toml for crates.io crate safe 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2f9ec1d3c2b67d18d4f17864879d7acedc876a09c0576acdc5960be71eab06
[INFO] running `Command { std: "docker" "start" "-a" "be2f9ec1d3c2b67d18d4f17864879d7acedc876a09c0576acdc5960be71eab06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2f9ec1d3c2b67d18d4f17864879d7acedc876a09c0576acdc5960be71eab06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2f9ec1d3c2b67d18d4f17864879d7acedc876a09c0576acdc5960be71eab06", kill_on_drop: false }`
[INFO] [stdout] be2f9ec1d3c2b67d18d4f17864879d7acedc876a09c0576acdc5960be71eab06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9325a881f9739e4bc388415c8f50cd3740d115aa1f7e0288a752c5869c7fafc9
[INFO] running `Command { std: "docker" "start" "-a" "9325a881f9739e4bc388415c8f50cd3740d115aa1f7e0288a752c5869c7fafc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling cargo-platform v0.1.6
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling safe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "9325a881f9739e4bc388415c8f50cd3740d115aa1f7e0288a752c5869c7fafc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9325a881f9739e4bc388415c8f50cd3740d115aa1f7e0288a752c5869c7fafc9", kill_on_drop: false }`
[INFO] [stdout] 9325a881f9739e4bc388415c8f50cd3740d115aa1f7e0288a752c5869c7fafc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629fa8b29ea37aaeee918e664ce0f5a5cf22ed55da2baeb85a9e2b4740eb11ea
[INFO] running `Command { std: "docker" "start" "-a" "629fa8b29ea37aaeee918e664ce0f5a5cf22ed55da2baeb85a9e2b4740eb11ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cargo-platform v0.1.6
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling safe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "629fa8b29ea37aaeee918e664ce0f5a5cf22ed55da2baeb85a9e2b4740eb11ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629fa8b29ea37aaeee918e664ce0f5a5cf22ed55da2baeb85a9e2b4740eb11ea", kill_on_drop: false }`
[INFO] [stdout] 629fa8b29ea37aaeee918e664ce0f5a5cf22ed55da2baeb85a9e2b4740eb11ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a91f4ca92b93fd75aa025bfd0240db3e62da71dd63090c476731e24c33f98f9
[INFO] running `Command { std: "docker" "start" "-a" "4a91f4ca92b93fd75aa025bfd0240db3e62da71dd63090c476731e24c33f98f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe-bd0030962946eee3)
[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 tests/skeptic.rs (/opt/rustwide/target/debug/deps/skeptic-34a1fe4a395f3626)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test readme_sect_getting_started_line_14 ... FAILED
[INFO] [stdout] test readme_sect_getting_started_line_24 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- readme_sect_getting_started_line_14 stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /tmp/rust-skepticpG9Arx/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(stmt_expr_attributes, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] thread 'readme_sect_getting_started_line_14' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:127:9:
[INFO] [stdout] Command failed:
[INFO] [stdout] "rustc" "/tmp/rust-skepticpG9Arx/test.rs" "--verbose" "--crate-type=bin" "--edition=2021" "-L" "/opt/rustwide/target/debug" "-L" "/opt/rustwide/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "skeptic=/opt/rustwide/target/debug/deps/libskeptic-5f58cf657f0db94f.rlib" "--extern" "libc=/opt/rustwide/target/debug/deps/liblibc-52c826a21a5ceeaf.rlib" "--extern" "proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e6fbfd49202a2d27.rlib" "--extern" "safe=/opt/rustwide/target/debug/deps/libsafe-b4f7cca498deef09.so" "--extern" "darling=/opt/rustwide/target/debug/deps/libdarling-7dae325e87414659.rlib" "--extern" "syn=/opt/rustwide/target/debug/deps/libsyn-f38a76431df2206e.rlib" "--extern" "quote=/opt/rustwide/target/debug/deps/libquote-9168ea920d68759a.rlib" "-o" "/tmp/rust-skepticpG9Arx/out.exe"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558a61dea57c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x558a61dea57c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558a61dea57c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x558a61dea57c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558a61e15b90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x558a61e15b90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x558a61de7c5f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x558a61dea364 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558a61dea364 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558a61dec0a7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x558a61debd93 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558a61cf5b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558a61cf5b47 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x558a61dec6b8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x558a61dec6b8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x558a61dec40e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x558a61deaa46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x558a61dec172 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x558a61cc10e5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x558a61d02bcf - skeptic::rt::interpret_output::he9eb921ec249d6f8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:127:9
[INFO] [stdout]   20:     0x558a61d01f22 - skeptic::rt::handle_test::h92f37a36d54e1122
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:111:5
[INFO] [stdout]   21:     0x558a61d01326 - skeptic::rt::run_test::h238100f915eef58e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:25:5
[INFO] [stdout]   22:     0x558a61cc2008 - skeptic::readme_sect_getting_started_line_14::h96d5111269c9b8ce
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/safe-571a7dd5434c93e0/out/skeptic-tests.rs:21:5
[INFO] [stdout]   23:     0x558a61cc1f17 - skeptic::readme_sect_getting_started_line_14::{{closure}}::h6e457558b197c680
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/safe-571a7dd5434c93e0/out/skeptic-tests.rs:2:49
[INFO] [stdout]   24:     0x558a61cc1c06 - core::ops::function::FnOnce::call_once::h4145f625bf68120e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x558a61cfb19f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x558a61cfb19f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x558a61cfa1b5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x558a61cfa1b5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x558a61cfa1b5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x558a61cfa1b5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x558a61cfa1b5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x558a61cfa1b5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x558a61cfa1b5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x558a61cc2476 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x558a61cc2476 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x558a61cc7527 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x558a61cc7527 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x558a61cc7527 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x558a61cc7527 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x558a61cc7527 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x558a61cc7527 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x558a61cc7527 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x558a61df2735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x558a61df2735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x558a61df2735 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fad8a199ac3 - <unknown>
[INFO] [stdout]   47:     0x7fad8a22abf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- readme_sect_getting_started_line_24 stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /tmp/rust-skeptic1D2ai9/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(stmt_expr_attributes, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] thread 'readme_sect_getting_started_line_24' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:127:9:
[INFO] [stdout] Command failed:
[INFO] [stdout] "rustc" "/tmp/rust-skeptic1D2ai9/test.rs" "--verbose" "--crate-type=bin" "--edition=2021" "-L" "/opt/rustwide/target/debug" "-L" "/opt/rustwide/target/debug/deps" "--target" "x86_64-unknown-linux-gnu" "--extern" "proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e6fbfd49202a2d27.rlib" "--extern" "darling=/opt/rustwide/target/debug/deps/libdarling-7dae325e87414659.rlib" "--extern" "quote=/opt/rustwide/target/debug/deps/libquote-9168ea920d68759a.rlib" "--extern" "skeptic=/opt/rustwide/target/debug/deps/libskeptic-5f58cf657f0db94f.rlib" "--extern" "libc=/opt/rustwide/target/debug/deps/liblibc-52c826a21a5ceeaf.rlib" "--extern" "syn=/opt/rustwide/target/debug/deps/libsyn-f38a76431df2206e.rlib" "--extern" "safe=/opt/rustwide/target/debug/deps/libsafe-b4f7cca498deef09.so" "-o" "/tmp/rust-skeptic1D2ai9/out.exe"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558a61dea57c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x558a61dea57c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558a61dea57c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x558a61dea57c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558a61e15b90 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x558a61e15b90 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x558a61de7c5f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x558a61dea364 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558a61dea364 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558a61dec0a7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x558a61debd93 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x558a61cf5b47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x558a61cf5b47 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x558a61dec6b8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x558a61dec6b8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x558a61dec40e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x558a61deaa46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x558a61dec172 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x558a61cc10e5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x558a61d02bcf - skeptic::rt::interpret_output::he9eb921ec249d6f8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:127:9
[INFO] [stdout]   20:     0x558a61d01f22 - skeptic::rt::handle_test::h92f37a36d54e1122
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:111:5
[INFO] [stdout]   21:     0x558a61d01326 - skeptic::rt::run_test::h238100f915eef58e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/rt.rs:25:5
[INFO] [stdout]   22:     0x558a61cc2148 - skeptic::readme_sect_getting_started_line_24::h64e92370dfba1220
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/safe-571a7dd5434c93e0/out/skeptic-tests.rs:51:5
[INFO] [stdout]   23:     0x558a61cc2057 - skeptic::readme_sect_getting_started_line_24::{{closure}}::h8a5ad58f1fb49b77
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/safe-571a7dd5434c93e0/out/skeptic-tests.rs:24:49
[INFO] [stdout]   24:     0x558a61cc1c96 - core::ops::function::FnOnce::call_once::hb9a5dca67bfd4960
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x558a61cfb19f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x558a61cfb19f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x558a61cfa1b5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x558a61cfa1b5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x558a61cfa1b5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x558a61cfa1b5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x558a61cfa1b5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x558a61cfa1b5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x558a61cfa1b5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x558a61cc2476 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x558a61cc2476 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x558a61cc7527 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x558a61cc7527 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x558a61cc7527 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x558a61cc7527 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x558a61cc7527 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x558a61cc7527 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x558a61cc7527 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x558a61df2735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x558a61df2735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x558a61df2735 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fad8a199ac3 - <unknown>
[INFO] [stdout]   47:     0x7fad8a22abf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     readme_sect_getting_started_line_14
[INFO] [stdout]     readme_sect_getting_started_line_24
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test skeptic`
[INFO] running `Command { std: "docker" "inspect" "4a91f4ca92b93fd75aa025bfd0240db3e62da71dd63090c476731e24c33f98f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a91f4ca92b93fd75aa025bfd0240db3e62da71dd63090c476731e24c33f98f9", kill_on_drop: false }`
[INFO] [stdout] 4a91f4ca92b93fd75aa025bfd0240db3e62da71dd63090c476731e24c33f98f9
