[INFO] cloning repository https://github.com/Ethan826/card-chameleon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ethan826/card-chameleon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fcard-chameleon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fcard-chameleon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ddf93000f0cf03acbcb9f8dbd1269ce3fe8b81b
[INFO] documenting Ethan826/card-chameleon against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fcard-chameleon" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan826/card-chameleon on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ethan826/card-chameleon
[INFO] finished tweaking git repo https://github.com/Ethan826/card-chameleon
[INFO] tweaked toml for git repo https://github.com/Ethan826/card-chameleon written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Ethan826/card-chameleon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76dbb505c81c89b3188dee490150bbd38b29f18b0f0aeda6ff420a8703965a6e
[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" "76dbb505c81c89b3188dee490150bbd38b29f18b0f0aeda6ff420a8703965a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76dbb505c81c89b3188dee490150bbd38b29f18b0f0aeda6ff420a8703965a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76dbb505c81c89b3188dee490150bbd38b29f18b0f0aeda6ff420a8703965a6e", kill_on_drop: false }`
[INFO] [stdout] 76dbb505c81c89b3188dee490150bbd38b29f18b0f0aeda6ff420a8703965a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 494588e423095f025667e5b8d74fddbd0bac1617e9fbc3d28b96d61ecba3283a
[INFO] running `Command { std: "docker" "start" "-a" "494588e423095f025667e5b8d74fddbd0bac1617e9fbc3d28b96d61ecba3283a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]  Documenting card-chameleon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `self::Deck`
[INFO] [stdout]    --> src/deck.rs:246:15
[INFO] [stdout]     |
[INFO] [stdout] 246 |     use self::Deck::*;
[INFO] [stdout]     |               ^^^^ `Deck` is a struct, not a module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::Card`
[INFO] [stdout]    --> src/deck.rs:245:15
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use self::Card::*;
[INFO] [stdout]     |               ^^^^ `Card` is a struct, not a module
[INFO] [stdout] 
[INFO] [stdout] 
[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(try_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `card-chameleon`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name card_chameleon src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-a4e01d700bacbbb2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-96c1ea82010db8ba.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8b9a7719902f176b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-40decc8e95865318.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "494588e423095f025667e5b8d74fddbd0bac1617e9fbc3d28b96d61ecba3283a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494588e423095f025667e5b8d74fddbd0bac1617e9fbc3d28b96d61ecba3283a", kill_on_drop: false }`
[INFO] [stdout] 494588e423095f025667e5b8d74fddbd0bac1617e9fbc3d28b96d61ecba3283a