[INFO] cloning repository https://github.com/Aidiakapi/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aidiakapi/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAidiakapi%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAidiakapi%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd25d28c7b2b5d6a7123939826d6068ad467024a
[INFO] documenting Aidiakapi/advent_of_code_2018 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%2FAidiakapi%2Fadvent_of_code_2018" "/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/Aidiakapi/advent_of_code_2018 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/Aidiakapi/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/Aidiakapi/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/Aidiakapi/advent_of_code_2018 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Aidiakapi/advent_of_code_2018 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 permutohedron v0.2.4
[INFO] [stderr]   Downloaded tracing-core v0.1.27
[INFO] [stderr]   Downloaded pathfinding v3.0.13
[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] a3aed019758b7f4073aebe4462d54c3d02b9a53a337b33be1ca249f26e6dec2e
[INFO] running `Command { std: "docker" "start" "-a" "a3aed019758b7f4073aebe4462d54c3d02b9a53a337b33be1ca249f26e6dec2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3aed019758b7f4073aebe4462d54c3d02b9a53a337b33be1ca249f26e6dec2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3aed019758b7f4073aebe4462d54c3d02b9a53a337b33be1ca249f26e6dec2e", kill_on_drop: false }`
[INFO] [stdout] a3aed019758b7f4073aebe4462d54c3d02b9a53a337b33be1ca249f26e6dec2e
[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] 83d681dce3aa65e84cc47208b3903b18f8c05fe47553117783029cdba5bbba31
[INFO] running `Command { std: "docker" "start" "-a" "83d681dce3aa65e84cc47208b3903b18f8c05fe47553117783029cdba5bbba31", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking pathfinding v3.0.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]  Documenting advent_of_code_2018 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes, drain_filter)]
[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 `advent_of_code_2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_of_code_2018 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=e786b4d8dac79795 -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-be3732221f63218a.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-0607a69fc480f4f1.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1a1c34f79f6e612c.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-67e4e94a379db8f4.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b56d2f27611771eb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3906fe4936ddc04f.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-6bf558eabf2fd21e.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-20627b4b7516638e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-cf1d35ccbae2471c.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-b8e097d552890257.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-a1efc8409b2e49a5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0c303828a3ff6dcb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0215b0b8d7afa4d1.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-fd83176c2ace99e8.rmeta --extern twoway=/opt/rustwide/target/debug/deps/libtwoway-ea0e40c8a0356a32.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "83d681dce3aa65e84cc47208b3903b18f8c05fe47553117783029cdba5bbba31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d681dce3aa65e84cc47208b3903b18f8c05fe47553117783029cdba5bbba31", kill_on_drop: false }`
[INFO] [stdout] 83d681dce3aa65e84cc47208b3903b18f8c05fe47553117783029cdba5bbba31
