[INFO] cloning repository https://github.com/krgn/bufr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krgn/bufr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrgn%2Fbufr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrgn%2Fbufr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c6858cea0338ed2b253bdd668a23d21defb75f8
[INFO] documenting krgn/bufr against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrgn%2Fbufr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krgn/bufr on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krgn/bufr
[INFO] finished tweaking git repo https://github.com/krgn/bufr
[INFO] tweaked toml for git repo https://github.com/krgn/bufr written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/krgn/bufr 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.2.7
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded rand v0.4.5
[INFO] [stderr]   Downloaded criterion-stats v0.3.0
[INFO] [stderr]   Downloaded quickcheck v0.8.0
[INFO] [stderr]   Downloaded handlebars v1.0.5
[INFO] [stderr]   Downloaded serde_json v1.0.35
[INFO] [stderr]   Downloaded criterion v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09abc81da6270e95faf75815e1d15674e815d3bb096fcac0060eb3ee68cbd1c9
[INFO] running `Command { std: "docker" "start" "-a" "09abc81da6270e95faf75815e1d15674e815d3bb096fcac0060eb3ee68cbd1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09abc81da6270e95faf75815e1d15674e815d3bb096fcac0060eb3ee68cbd1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09abc81da6270e95faf75815e1d15674e815d3bb096fcac0060eb3ee68cbd1c9", kill_on_drop: false }`
[INFO] [stdout] 09abc81da6270e95faf75815e1d15674e815d3bb096fcac0060eb3ee68cbd1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ab6b918d426e5fde418afb9fbe86168ce868593d90b768dddcc3d7dc4ca310
[INFO] running `Command { std: "docker" "start" "-a" "52ab6b918d426e5fde418afb9fbe86168ce868593d90b768dddcc3d7dc4ca310", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking num-traits v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking criterion-stats v0.3.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.35
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking criterion-plot v0.2.7
[INFO] [stderr]     Checking criterion v0.2.7
[INFO] [stderr]  Documenting bufr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(result_map_or_else)]
[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 `bufr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name bufr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=21714eed671af0eb -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-58d07086a7831b95.rmeta --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-e12fcff04aea663e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-b56b143815a3af56.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "52ab6b918d426e5fde418afb9fbe86168ce868593d90b768dddcc3d7dc4ca310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ab6b918d426e5fde418afb9fbe86168ce868593d90b768dddcc3d7dc4ca310", kill_on_drop: false }`
[INFO] [stdout] 52ab6b918d426e5fde418afb9fbe86168ce868593d90b768dddcc3d7dc4ca310
