[INFO] fetching crate sbak 0.1.0...
[INFO] documenting sbak-0.1.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate sbak 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sbak 0.1.0 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbak 0.1.0
[INFO] finished tweaking crates.io crate sbak 0.1.0
[INFO] tweaked toml for crates.io crate sbak 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3897ad2547ceafe0104363595e579f8fd81da3fe663a4e47a86dd4890546352
[INFO] running `Command { std: "docker" "start" "-a" "d3897ad2547ceafe0104363595e579f8fd81da3fe663a4e47a86dd4890546352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3897ad2547ceafe0104363595e579f8fd81da3fe663a4e47a86dd4890546352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3897ad2547ceafe0104363595e579f8fd81da3fe663a4e47a86dd4890546352", kill_on_drop: false }`
[INFO] [stdout] d3897ad2547ceafe0104363595e579f8fd81da3fe663a4e47a86dd4890546352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 7dc812007c33bc30debf5a53062011d6b93f651ac439a31246a16455bee0a601
[INFO] running `Command { std: "docker" "start" "-a" "7dc812007c33bc30debf5a53062011d6b93f651ac439a31246a16455bee0a601", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Scraping sbak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sbak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1707:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f75251347da - std::backtrace_rs::backtrace::libunwind::trace::hbb02440b40bb9669
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7f75251347da - std::backtrace_rs::backtrace::trace_unsynchronized::hd2467d754e36e43b
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f75251347da - std::sys_common::backtrace::_print_fmt::h4cf36b1b450e0987
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]    3:     0x7f75251347da - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h95ee7f4f8f4ef0e1
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x7f75251972ee - core::fmt::write::hd95edd65674f3a7f
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]    5:     0x7f7525124c65 - std::io::Write::write_fmt::h9b03a017f326c606
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]    6:     0x7f75251345a5 - std::sys_common::backtrace::_print::h8405574d8c3d7a77
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    7:     0x7f75251345a5 - std::sys_common::backtrace::print::h4e89d3c49e23cb5d
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    8:     0x7f75251372ef - std::panicking::default_hook::{{closure}}::he360656a5892d484
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/panicking.rs:267:22
[INFO] [stderr]    9:     0x7f752513702b - std::panicking::default_hook::h96be6d1ab50c8b7a
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/panicking.rs:286:9
[INFO] [stderr]   10:     0x7f7525137b0c - std::panicking::rust_panic_with_hook::hc047a736e498ca95
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/panicking.rs:688:13
[INFO] [stderr]   11:     0x7f7525137862 - std::panicking::begin_panic_handler::{{closure}}::hebe6e2aee7acb8d5
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/panicking.rs:577:13
[INFO] [stderr]   12:     0x7f7525134c8c - std::sys_common::backtrace::__rust_end_short_backtrace::h011959547c4fdea4
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]   13:     0x7f75251375b2 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/panicking.rs:575:5
[INFO] [stderr]   14:     0x7f7525193cd3 - core::panicking::panic_fmt::h7da7ec46e55b48ce
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/core/src/panicking.rs:64:14
[INFO] [stderr]   15:     0x7f7525193dad - core::panicking::panic::hbbf385e751cfae35
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/core/src/panicking.rs:111:5
[INFO] [stderr]   16:     0x7f7526ce9ee8 - <rustc_span[e167b39eacdf0df3]::source_map::SourceMap>::lookup_char_pos
[INFO] [stderr]   17:     0x55a09e13098a - <rustdoc[e73844527641c321]::html::render::context::Context>::href_from_span
[INFO] [stderr]   18:     0x55a09e13ae64 - rustdoc[e73844527641c321]::html::sources::print_src
[INFO] [stderr]   19:     0x55a09df1fe97 - rustdoc[e73844527641c321]::html::render::render_call_locations::{closure#2}
[INFO] [stderr]   20:     0x55a09df0d50c - rustdoc[e73844527641c321]::html::render::document_full_inner
[INFO] [stderr]   21:     0x55a09df16ed1 - rustdoc[e73844527641c321]::html::render::render_impl::doc_impl_item
[INFO] [stderr]   22:     0x55a09df142d9 - rustdoc[e73844527641c321]::html::render::render_impl
[INFO] [stderr]   23:     0x55a09df1267a - rustdoc[e73844527641c321]::html::render::render_assoc_items_inner
[INFO] [stderr]   24:     0x55a09df11d4e - rustdoc[e73844527641c321]::html::render::render_assoc_items
[INFO] [stderr]   25:     0x55a09e06047f - rustdoc[e73844527641c321]::html::render::print_item::print_item
[INFO] [stderr]   26:     0x55a09e12fcad - <rustdoc[e73844527641c321]::html::render::context::Context>::render_item
[INFO] [stderr]   27:     0x55a09e137f7c - <rustdoc[e73844527641c321]::html::render::context::Context as rustdoc[e73844527641c321]::formats::renderer::FormatRenderer>::item
[INFO] [stderr]   28:     0x55a09e0f4f99 - rustdoc[e73844527641c321]::formats::renderer::run_format::<rustdoc[e73844527641c321]::html::render::context::Context>
[INFO] [stderr]   29:     0x55a09de72148 - rustdoc[e73844527641c321]::run_renderer::<rustdoc[e73844527641c321]::html::render::context::Context>
[INFO] [stderr]   30:     0x55a09e00fda2 - <rustc_interface[16d8adced717e44b]::passes::QueryContext>::enter::<rustdoc[e73844527641c321]::main_args::{closure#1}::{closure#0}::{closure#1}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>
[INFO] [stderr]   31:     0x55a09df20e2a - <rustc_interface[16d8adced717e44b]::interface::Compiler>::enter::<rustdoc[e73844527641c321]::main_args::{closure#1}::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>
[INFO] [stderr]   32:     0x55a09dfaf30a - rustc_span[e167b39eacdf0df3]::with_source_map::<core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>, rustc_interface[16d8adced717e44b]::interface::run_compiler<core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>, rustdoc[e73844527641c321]::main_args::{closure#1}>::{closure#0}::{closure#0}>
[INFO] [stderr]   33:     0x55a09df765b5 - <scoped_tls[e6ea296e19261d6f]::ScopedKey<rustc_span[e167b39eacdf0df3]::SessionGlobals>>::set::<rustc_interface[16d8adced717e44b]::interface::run_compiler<core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>, rustdoc[e73844527641c321]::main_args::{closure#1}>::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>
[INFO] [stderr]   34:     0x55a09dfc0870 - std[b20558bc276abb0c]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[16d8adced717e44b]::util::run_in_thread_pool_with_globals<rustc_interface[16d8adced717e44b]::interface::run_compiler<core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>, rustdoc[e73844527641c321]::main_args::{closure#1}>::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>
[INFO] [stderr]   35:     0x55a09e0e34ef - <<std[b20558bc276abb0c]::thread::Builder>::spawn_unchecked_<rustc_interface[16d8adced717e44b]::util::run_in_thread_pool_with_globals<rustc_interface[16d8adced717e44b]::interface::run_compiler<core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>, rustdoc[e73844527641c321]::main_args::{closure#1}>::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b46aee17bf97dbda]::result::Result<(), rustc_errors[dba815b5c95fbae0]::ErrorGuaranteed>>::{closure#1} as core[b46aee17bf97dbda]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   36:     0x7f7525141903 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbf1d7d8701ecd4fe
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/alloc/src/boxed.rs:2000:9
[INFO] [stderr]   37:     0x7f7525141903 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h06ac2f1fad6e96dc
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/alloc/src/boxed.rs:2000:9
[INFO] [stderr]   38:     0x7f7525141903 - std::sys::unix::thread::Thread::new::thread_start::h87d1fc8ce7e33e74
[INFO] [stderr]                                at /rustc/6ee483316d2e4581572121d60a955affb2032eb3/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   39:     0x7f7524fc5609 - start_thread
[INFO] [stderr]   40:     0x7f7524eea133 - clone
[INFO] [stderr]   41:                0x0 - <unknown>
[INFO] [stderr] error: could not document `sbak`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name sbak src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dcbe111903837115 -Zunstable-options -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cee0f8887b393199.rmeta --extern chrono_tz=/opt/rustwide/target/debug/deps/libchrono_tz-c853f0086f902f9e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-e7ea31d090a3a818.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-4887ba3e3e4b349f.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-6a76ba04bcc8489b.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-fd1dd6e6d7a01d8c.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-84607ac641a63fab.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3ab14ef94a1f89cf.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-e08e6005f620851e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5ca90ca3f21e2147.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-df3406b863cb6936.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-6c3b71acb94dc5cf.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-399d2ec4c97de91b.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-3a4677ffa1cd12da.rmeta --cap-lints=forbid --crate-version 0.1.0 --with-examples /opt/rustwide/target/debug/deps/sbak-e37a86c3cf89343d.examples` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7dc812007c33bc30debf5a53062011d6b93f651ac439a31246a16455bee0a601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc812007c33bc30debf5a53062011d6b93f651ac439a31246a16455bee0a601", kill_on_drop: false }`
[INFO] [stdout] 7dc812007c33bc30debf5a53062011d6b93f651ac439a31246a16455bee0a601