[INFO] cloning repository https://github.com/ianakotey/grade_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianakotey/grade_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de49c2bc8724de91f97a4b1f4bd00e610e15345f
[INFO] documenting ianakotey/grade_gen 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%2Fianakotey%2Fgrade_gen" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianakotey/grade_gen 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/ianakotey/grade_gen
[INFO] finished tweaking git repo https://github.com/ianakotey/grade_gen
[INFO] tweaked toml for git repo https://github.com/ianakotey/grade_gen written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 snafu-derive v0.7.4
[INFO] [stderr]   Downloaded simple_excel_writer v0.2.0
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded snafu v0.7.4
[INFO] [stderr]   Downloaded office v0.8.1
[INFO] [stderr]   Downloaded quick-xml v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 779c89c692432ce97ab4002269ded11dea1dd0e85dfcecf21efa2ca1637523b6
[INFO] running `Command { std: "docker" "start" "-a" "779c89c692432ce97ab4002269ded11dea1dd0e85dfcecf21efa2ca1637523b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779c89c692432ce97ab4002269ded11dea1dd0e85dfcecf21efa2ca1637523b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779c89c692432ce97ab4002269ded11dea1dd0e85dfcecf21efa2ca1637523b6", kill_on_drop: false }`
[INFO] [stdout] 779c89c692432ce97ab4002269ded11dea1dd0e85dfcecf21efa2ca1637523b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b7c1e4a1be4b2e51d5f49199e1f43a8bd30a5191d5f17ed3f4f4eafb6b6c3782
[INFO] running `Command { std: "docker" "start" "-a" "b7c1e4a1be4b2e51d5f49199e1f43a8bd30a5191d5f17ed3f4f4eafb6b6c3782", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking office v0.8.1
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling snafu-derive v0.7.4
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking simple_excel_writer v0.2.0
[INFO] [stderr]     Checking snafu v0.7.4
[INFO] [stderr]  Documenting canvas2camu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(iter_advance_by)]
[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 `canvas2camu`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name canvas2camu 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=c44a29c603a44de2 -L dependency=/opt/rustwide/target/debug/deps --extern argparse=/opt/rustwide/target/debug/deps/libargparse-754cb4726745c19c.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-154c97a477e72b8a.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-6ba7ba5fa4a72b88.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern office=/opt/rustwide/target/debug/deps/liboffice-1f72121f97e67688.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-551828a6df28d000.rmeta --extern simple_excel_writer=/opt/rustwide/target/debug/deps/libsimple_excel_writer-0743385f3b177b2c.rmeta --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-691063f2ef4505ce.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b7c1e4a1be4b2e51d5f49199e1f43a8bd30a5191d5f17ed3f4f4eafb6b6c3782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c1e4a1be4b2e51d5f49199e1f43a8bd30a5191d5f17ed3f4f4eafb6b6c3782", kill_on_drop: false }`
[INFO] [stdout] b7c1e4a1be4b2e51d5f49199e1f43a8bd30a5191d5f17ed3f4f4eafb6b6c3782
