[INFO] cloning repository https://github.com/Aegonek/schoolduler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aegonek/schoolduler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAegonek%2Fschoolduler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAegonek%2Fschoolduler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 591ee15997c6691e5074229c45c41fffa0644c5d
[INFO] documenting Aegonek/schoolduler 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%2FAegonek%2Fschoolduler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aegonek/schoolduler 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/Aegonek/schoolduler
[INFO] finished tweaking git repo https://github.com/Aegonek/schoolduler
[INFO] tweaked toml for git repo https://github.com/Aegonek/schoolduler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Aegonek/schoolduler 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 once_cell v1.12.1
[INFO] [stderr]   Downloaded xlsxwriter v0.4.0
[INFO] [stderr]   Downloaded libxlsxwriter-sys v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7567ac5edfe6558262d445fd83f684f90f6cfaec9963712565953d053a6f1f4f
[INFO] running `Command { std: "docker" "start" "-a" "7567ac5edfe6558262d445fd83f684f90f6cfaec9963712565953d053a6f1f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7567ac5edfe6558262d445fd83f684f90f6cfaec9963712565953d053a6f1f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7567ac5edfe6558262d445fd83f684f90f6cfaec9963712565953d053a6f1f4f", kill_on_drop: false }`
[INFO] [stdout] 7567ac5edfe6558262d445fd83f684f90f6cfaec9963712565953d053a6f1f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6cf1e86c54151e79d17f886dc01162602e70c76dc899041779168402cb4d775a
[INFO] running `Command { std: "docker" "start" "-a" "6cf1e86c54151e79d17f886dc01162602e70c76dc899041779168402cb4d775a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking once_cell v1.12.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling serde_yaml v0.9.13
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking itertools v0.10.4
[INFO] [stderr]    Compiling libxlsxwriter-sys v1.1.4
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]    Compiling schoolduler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking xlsxwriter v0.4.0
[INFO] [stderr]  Documenting schoolduler 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops, io_error_other)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops, io_error_other)]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^
[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 `schoolduler`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name schoolduler src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="debug"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=38e3ee1db61cbbd3 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-e8c19261fe661ab2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6461cef4c92bf163.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-276d33a68e56266d.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f28d6d0b6178141d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-268787e88dfe2916.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-050bb571b5608147.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-02750aae13c169c3.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-cef17b222aada8de.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-87cdfa2231f6cb6a.rmeta --extern xlsxwriter=/opt/rustwide/target/debug/deps/libxlsxwriter-7f61fdeb820854ab.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6cf1e86c54151e79d17f886dc01162602e70c76dc899041779168402cb4d775a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf1e86c54151e79d17f886dc01162602e70c76dc899041779168402cb4d775a", kill_on_drop: false }`
[INFO] [stdout] 6cf1e86c54151e79d17f886dc01162602e70c76dc899041779168402cb4d775a
