[INFO] cloning repository https://github.com/plaflamme/aoc-2021-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plaflamme/aoc-2021-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaflamme%2Faoc-2021-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaflamme%2Faoc-2021-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ccefa3316de639f68b5d1418cabef5eef63aace [INFO] documenting plaflamme/aoc-2021-rs against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaflamme%2Faoc-2021-rs" "/workspace/builds/worker-35/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/plaflamme/aoc-2021-rs on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/plaflamme/aoc-2021-rs [INFO] finished tweaking git repo https://github.com/plaflamme/aoc-2021-rs [INFO] tweaked toml for git repo https://github.com/plaflamme/aoc-2021-rs written to /workspace/builds/worker-35/source/Cargo.toml [INFO] crate git repo https://github.com/plaflamme/aoc-2021-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-bigint v0.4.3 [INFO] [stderr] Downloaded xml5ever v0.16.2 [INFO] [stderr] Downloaded webpki-roots v0.22.1 [INFO] [stderr] Downloaded markup5ever_rcdom v0.1.0 [INFO] [stderr] Downloaded fixedbitset v0.4.0 [INFO] [stderr] Downloaded combine v4.6.2 [INFO] [stderr] Downloaded ryu v1.0.6 [INFO] [stderr] Downloaded html2md v0.2.13 [INFO] [stderr] Downloaded serde_json v1.0.72 [INFO] [stderr] Downloaded pathfinding v3.0.5 [INFO] [stderr] Downloaded text_trees v0.1.2 [INFO] [stderr] Downloaded bitter v0.5.1 [INFO] [stderr] Downloaded aocf v0.1.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3846f4f8c85000cc97708da321aad69588e7b6872b1430c5c1b78d26de440396 [INFO] running `Command { std: "docker" "start" "-a" "3846f4f8c85000cc97708da321aad69588e7b6872b1430c5c1b78d26de440396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3846f4f8c85000cc97708da321aad69588e7b6872b1430c5c1b78d26de440396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3846f4f8c85000cc97708da321aad69588e7b6872b1430c5c1b78d26de440396", kill_on_drop: false }` [INFO] [stdout] 3846f4f8c85000cc97708da321aad69588e7b6872b1430c5c1b78d26de440396 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9fccea9bcdb97b4547316845c192e207f219a3741bb271d58cd5c4cfb5a485d [INFO] running `Command { std: "docker" "start" "-a" "c9fccea9bcdb97b4547316845c192e207f219a3741bb271d58cd5c4cfb5a485d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking text_trees v0.1.2 [INFO] [stderr] Checking bitter v0.5.1 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking pathfinding v3.0.5 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking stderrlog v0.5.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking string_cache v0.8.2 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking webpki-roots v0.22.1 [INFO] [stderr] Checking rustls v0.20.2 [INFO] [stderr] Checking xml5ever v0.16.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ureq v2.4.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking html2md v0.2.13 [INFO] [stderr] Checking aocf v0.1.18 [INFO] [stderr] Documenting aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_fn_trait_bound)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(box_patterns)] [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:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(int_roundings)] // for div_floor [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 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 `aoc2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name aoc2021 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f7ca87862dbce3a5 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-2b51f40009cfbc32.rmeta --extern aocf=/opt/rustwide/target/debug/deps/libaocf-900eb4ade39beb6a.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-22d7f70832a3b85e.rmeta --extern bitter=/opt/rustwide/target/debug/deps/libbitter-4e787a1ccfb0d9b6.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-1681e35aa81b2bf0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-e451218ace47a491.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-768244cffa2ddad5.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1e3c371ab90a7930.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-62654a9e0915dbad.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8554091db42aab3a.rmeta --extern stderrlog=/opt/rustwide/target/debug/deps/libstderrlog-fc0de0d2d2d216b7.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-a9d12057e4bd212a.rmeta --extern text_trees=/opt/rustwide/target/debug/deps/libtext_trees-a4acb52d509ef7bd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "c9fccea9bcdb97b4547316845c192e207f219a3741bb271d58cd5c4cfb5a485d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9fccea9bcdb97b4547316845c192e207f219a3741bb271d58cd5c4cfb5a485d", kill_on_drop: false }` [INFO] [stdout] c9fccea9bcdb97b4547316845c192e207f219a3741bb271d58cd5c4cfb5a485d