[INFO] cloning repository https://github.com/marsupialgutz/hello-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marsupialgutz/hello-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarsupialgutz%2Fhello-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarsupialgutz%2Fhello-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 374afded142896605673f9fed2debd55d2742072
[INFO] documenting marsupialgutz/hello-rs against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarsupialgutz%2Fhello-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marsupialgutz/hello-rs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marsupialgutz/hello-rs
[INFO] finished tweaking git repo https://github.com/marsupialgutz/hello-rs
[INFO] tweaked toml for git repo https://github.com/marsupialgutz/hello-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marsupialgutz/hello-rs 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdbus-sys v0.2.2
[INFO] [stderr]   Downloaded systemstat v0.1.11
[INFO] [stderr]   Downloaded mpris v2.0.0-rc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c797f03b3d92c7066f36b7084c72b009241c9e871f36f561764d447557f69a51
[INFO] running `Command { std: "docker" "start" "-a" "c797f03b3d92c7066f36b7084c72b009241c9e871f36f561764d447557f69a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c797f03b3d92c7066f36b7084c72b009241c9e871f36f561764d447557f69a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c797f03b3d92c7066f36b7084c72b009241c9e871f36f561764d447557f69a51", kill_on_drop: false }`
[INFO] [stdout] c797f03b3d92c7066f36b7084c72b009241c9e871f36f561764d447557f69a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbfe4206a2d6a3c7f73791ea505c8714fe22ef94004f8e3abcb5aea64cdd09aa
[INFO] running `Command { std: "docker" "start" "-a" "bbfe4206a2d6a3c7f73791ea505c8714fe22ef94004f8e3abcb5aea64cdd09aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking text_io v0.1.10
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking whoami v1.2.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking systemstat v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking from_variants v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mpris v2.0.0-rc2
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking openweathermap v0.2.4
[INFO] [stderr]  Documenting draconis v2.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `draconis`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name draconis src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d86698abcb2005fb -L dependency=/opt/rustwide/target/debug/deps --extern argparse=/opt/rustwide/target/debug/deps/libargparse-754cb4726745c19c.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9a520fdd64a926c6.rmeta --extern mpris=/opt/rustwide/target/debug/deps/libmpris-496a3125ed2597bf.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-3d9aada91cc615ea.rmeta --extern openweathermap=/opt/rustwide/target/debug/deps/libopenweathermap-c2ef9c38a14c2a3f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-55dd96264de2cce5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ce917f9fe8482b58.rmeta --extern substring=/opt/rustwide/target/debug/deps/libsubstring-60d7f341306cd785.rmeta --extern sys_info=/opt/rustwide/target/debug/deps/libsys_info-e6f54bfa5e61923f.rmeta --extern systemstat=/opt/rustwide/target/debug/deps/libsystemstat-517f3e2382a46e78.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-b6a39a533d7c8767.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-fba511e45af9217d.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-96223f0ed17c976f.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-cadab441de8ef1f3.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-194de60b1bb45208.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-e8787b236121abeb.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-158b3e12374c4d78.rmeta --extern whoami=/opt/rustwide/target/debug/deps/libwhoami-3c612babf1a1e4b7.rmeta --cap-lints=warn --crate-version 2.4.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bbfe4206a2d6a3c7f73791ea505c8714fe22ef94004f8e3abcb5aea64cdd09aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfe4206a2d6a3c7f73791ea505c8714fe22ef94004f8e3abcb5aea64cdd09aa", kill_on_drop: false }`
[INFO] [stdout] bbfe4206a2d6a3c7f73791ea505c8714fe22ef94004f8e3abcb5aea64cdd09aa
