[INFO] fetching crate math 0.10.0...
[INFO] documenting math-0.10.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate math 0.10.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate math 0.10.0 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-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate math 0.10.0
[INFO] finished tweaking crates.io crate math 0.10.0
[INFO] tweaked toml for crates.io crate math 0.10.0 written to /workspace/builds/worker-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3961a76cdf542c4ca088dc03b88d8ed08620024c476cd592b8a111485564be8d
[INFO] running `Command { std: "docker" "start" "-a" "3961a76cdf542c4ca088dc03b88d8ed08620024c476cd592b8a111485564be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3961a76cdf542c4ca088dc03b88d8ed08620024c476cd592b8a111485564be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3961a76cdf542c4ca088dc03b88d8ed08620024c476cd592b8a111485564be8d", kill_on_drop: false }`
[INFO] [stdout] 3961a76cdf542c4ca088dc03b88d8ed08620024c476cd592b8a111485564be8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9ee5783a6b705bd8865ce75ce8bc6b67f0336eb3ede1c5e5918197f00752929a
[INFO] running `Command { std: "docker" "start" "-a" "9ee5783a6b705bd8865ce75ce8bc6b67f0336eb3ede1c5e5918197f00752929a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]  Documenting math v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,3`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:27:69
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// E.g. An `OrderedIntegerSet` containing `ContiguousIntegerSet`s [2,3] and
[INFO] [stdout]    |                                                                     ^^^ no item named `2,3` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `5,7`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | /// [5,7] will represent the set of integers {2, 3, 5, 6, 7}
[INFO] [stdout]    |      ^^^ no item named `5,7` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,3`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |     /// e.g. {[1,3], [4,8]} -> 1
[INFO] [stdout]    |                ^^^ no item named `1,3` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `4,8`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     /// e.g. {[1,3], [4,8]} -> 1
[INFO] [stdout]    |                       ^^^ no item named `4,8` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,3`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     /// e.g. {[1,3], [4,8]} -> 8
[INFO] [stdout]    |                ^^^ no item named `1,3` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `4,8`
[INFO] [stdout]   --> src/set/ordered_integer_set.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |     /// e.g. {[1,3], [4,8]} -> 8
[INFO] [stdout]    |                       ^^^ no item named `4,8` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,3`
[INFO] [stdout]    --> src/set/ordered_integer_set.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     /// e.g. {[1,3], [4,8]} -> the tuple (1, 8)
[INFO] [stdout]     |                ^^^ no item named `1,3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `4,8`
[INFO] [stdout]    --> src/set/ordered_integer_set.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |     /// e.g. {[1,3], [4,8]} -> the tuple (1, 8)
[INFO] [stdout]     |                       ^^^ no item named `4,8` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `math`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name math src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=76788b6e1f8ab51b -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-43372439ad3c157d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-c90b109569bc9a52.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-33c8b5b21af5de70.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-47cbaa357abc78da.rmeta --cap-lints=warn --crate-version 0.10.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9ee5783a6b705bd8865ce75ce8bc6b67f0336eb3ede1c5e5918197f00752929a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee5783a6b705bd8865ce75ce8bc6b67f0336eb3ede1c5e5918197f00752929a", kill_on_drop: false }`
[INFO] [stdout] 9ee5783a6b705bd8865ce75ce8bc6b67f0336eb3ede1c5e5918197f00752929a
