[INFO] cloning repository https://github.com/bwasty/yabit_old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwasty/yabit_old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fyabit_old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fyabit_old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d670a18d3243d7aed59e3e123824554f2cc30b45
[INFO] documenting bwasty/yabit_old against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fyabit_old" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwasty/yabit_old on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwasty/yabit_old
[INFO] finished tweaking git repo https://github.com/bwasty/yabit_old
[INFO] tweaked toml for git repo https://github.com/bwasty/yabit_old written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/bwasty/yabit_old already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61dafc60ed8567e1061ea1011530747e98e0c18f349f1ad18726c31e565d5133
[INFO] running `Command { std: "docker" "start" "-a" "61dafc60ed8567e1061ea1011530747e98e0c18f349f1ad18726c31e565d5133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61dafc60ed8567e1061ea1011530747e98e0c18f349f1ad18726c31e565d5133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dafc60ed8567e1061ea1011530747e98e0c18f349f1ad18726c31e565d5133", kill_on_drop: false }`
[INFO] [stdout] 61dafc60ed8567e1061ea1011530747e98e0c18f349f1ad18726c31e565d5133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccf2457789e6ae24b376a79d4752e5c9bf3ec766666648ecbccbc1f9a5ab36b
[INFO] running `Command { std: "docker" "start" "-a" "dccf2457789e6ae24b376a79d4752e5c9bf3ec766666648ecbccbc1f9a5ab36b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]  Documenting yabit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(field_init_shorthand)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `field_init_shorthand` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `yabit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name yabit 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=26a9f21a92fdbe0b -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9f28306390bc492a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-cfa5cf6752309603.rmeta --extern enum_primitive=/opt/rustwide/target/debug/deps/libenum_primitive-897f03ef47a8fdff.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-66fbd654bfc8cac3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0b5fce9c6247cfcf.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8426610a0401ffd1.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-be6afa8073322fc0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dccf2457789e6ae24b376a79d4752e5c9bf3ec766666648ecbccbc1f9a5ab36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccf2457789e6ae24b376a79d4752e5c9bf3ec766666648ecbccbc1f9a5ab36b", kill_on_drop: false }`
[INFO] [stdout] dccf2457789e6ae24b376a79d4752e5c9bf3ec766666648ecbccbc1f9a5ab36b