[INFO] fetching crate piqel 0.202107.4...
[INFO] documenting piqel-0.202107.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate piqel 0.202107.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate piqel 0.202107.4 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate piqel 0.202107.4
[INFO] finished tweaking crates.io crate piqel 0.202107.4
[INFO] tweaked toml for crates.io crate piqel 0.202107.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate piqel 0.202107.4 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 shell-words v1.0.0
[INFO] [stderr]   Downloaded plist v1.1.0
[INFO] [stderr]   Downloaded collect-mac v0.1.0
[INFO] [stderr]   Downloaded clircle v0.3.0
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[INFO] [stderr]   Downloaded git-version-macro v0.3.4
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[INFO] [stderr]   Downloaded flatbuffers v0.8.4
[INFO] [stderr]   Downloaded ansi_colours v1.0.4
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[INFO] [stderr]   Downloaded polars-io v0.14.5
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[INFO] [stderr]   Downloaded polars-core v0.14.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b6e13e508341a067d3d2b9c8c517b4d56d105a67ee0d3c56e822cffa6693a6c3
[INFO] running `Command { std: "docker" "start" "-a" "b6e13e508341a067d3d2b9c8c517b4d56d105a67ee0d3c56e822cffa6693a6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e13e508341a067d3d2b9c8c517b4d56d105a67ee0d3c56e822cffa6693a6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e13e508341a067d3d2b9c8c517b4d56d105a67ee0d3c56e822cffa6693a6c3", kill_on_drop: false }`
[INFO] [stdout] b6e13e508341a067d3d2b9c8c517b4d56d105a67ee0d3c56e822cffa6693a6c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d16c9852576fd92805dd8139e4695f7ef955f6a45992c9cd73121cffc6c9bbeb
[INFO] running `Command { std: "docker" "start" "-a" "d16c9852576fd92805dd8139e4695f7ef955f6a45992c9cd73121cffc6c9bbeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde_partiql v1.1.64
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking collect-mac v0.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ordered-float v2.6.0
[INFO] [stderr]    Compiling structmeta-derive v0.1.3
[INFO] [stderr]    Compiling structmeta v0.1.3
[INFO] [stderr]    Compiling parse-display-derive v0.5.0
[INFO] [stderr]     Checking parse-display v0.5.0
[INFO] [stderr]  Documenting piqel v0.202107.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[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 `piqel`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name piqel src/lib/mod.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=64db9c85ea6559bd -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-bc1ba24e73671ed0.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-0a94ebfde53c460c.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d916356b0a595d14.rmeta --extern collect_mac=/opt/rustwide/target/debug/deps/libcollect_mac-a61ae7be34259b10.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-b3dc9d6bdbe3053b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-19b426cc124a3bc1.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-1cf5e88ec8dcf050.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-b42156c06912c44c.rmeta --extern parse_display=/opt/rustwide/target/debug/deps/libparse_display-6b5237616f6f1e77.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-09a13846285aacab.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-825dba4669747303.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d4ff470bf3aed117.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0ee148e38f7ca66e.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3ad350a4c95f44d0.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e102c4a8f4000fbf.rmeta --extern serde_partiql=/opt/rustwide/target/debug/deps/libserde_partiql-32b48a97f20f9b8a.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-0c22bc2e031681e3.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-f9c79bb12935fa8f.rmeta --cap-lints=warn --crate-version 0.202107.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d16c9852576fd92805dd8139e4695f7ef955f6a45992c9cd73121cffc6c9bbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16c9852576fd92805dd8139e4695f7ef955f6a45992c9cd73121cffc6c9bbeb", kill_on_drop: false }`
[INFO] [stdout] d16c9852576fd92805dd8139e4695f7ef955f6a45992c9cd73121cffc6c9bbeb
