[INFO] cloning repository https://github.com/kegesch/gitmoji-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kegesch/gitmoji-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkegesch%2Fgitmoji-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkegesch%2Fgitmoji-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc7101fb69c5500f67e09a420f51567b748615ea
[INFO] documenting kegesch/gitmoji-cli against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkegesch%2Fgitmoji-cli" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kegesch/gitmoji-cli on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kegesch/gitmoji-cli
[INFO] finished tweaking git repo https://github.com/kegesch/gitmoji-cli
[INFO] tweaked toml for git repo https://github.com/kegesch/gitmoji-cli written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kegesch/gitmoji-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ce18793a292f8e3f94baf57945164583199660905782186c13b41b4c9e8fe3e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ce18793a292f8e3f94baf57945164583199660905782186c13b41b4c9e8fe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce18793a292f8e3f94baf57945164583199660905782186c13b41b4c9e8fe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce18793a292f8e3f94baf57945164583199660905782186c13b41b4c9e8fe3e", kill_on_drop: false }`
[INFO] [stdout] 6ce18793a292f8e3f94baf57945164583199660905782186c13b41b4c9e8fe3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc21b577ffb0d7c6e9924e37ac800afa2de5797d0add698199b2ae252cb7009
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cbc21b577ffb0d7c6e9924e37ac800afa2de5797d0add698199b2ae252cb7009", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking directories v0.10.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.5.1
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking dialoguer v0.6.2 (https://github.com/SirWindfield/dialoguer?branch=feat_fuzzy#7eb156d9)
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking confy v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking enquirer v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.25
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting gitmoji v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(with_options)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `gitmoji`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name gitmoji src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-b8f669bef02bec09.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-1ea5e38d19631714.rmeta --extern confy=/opt/rustwide/target/debug/deps/libconfy-ccccaf7cdd0b66e6.rmeta --extern dialoguer=/opt/rustwide/target/debug/deps/libdialoguer-9cb22bc49d662cde.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-d2b76cbe2cb3df96.rmeta --extern enquirer=/opt/rustwide/target/debug/deps/libenquirer-df086977495274ea.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-ae9d7700866fab35.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d926fdf7c10f1bde.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-b0883f525681bccc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cb9c33aa52e48644.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-de9e8500626f1ba0.so --extern spinners=/opt/rustwide/target/debug/deps/libspinners-fa0987df432b366d.rmeta --cap-lints=warn --crate-version 1.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "cbc21b577ffb0d7c6e9924e37ac800afa2de5797d0add698199b2ae252cb7009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc21b577ffb0d7c6e9924e37ac800afa2de5797d0add698199b2ae252cb7009", kill_on_drop: false }`
[INFO] [stdout] cbc21b577ffb0d7c6e9924e37ac800afa2de5797d0add698199b2ae252cb7009
