[INFO] cloning repository https://github.com/iPersona/blog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iPersona/blog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPersona%2Fblog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPersona%2Fblog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6d88db7dded3e9f4b7517a3d00f5b0288a77f3
[INFO] documenting iPersona/blog against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPersona%2Fblog" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iPersona/blog on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/iPersona/blog
[INFO] finished tweaking git repo https://github.com/iPersona/blog
[INFO] tweaked toml for git repo https://github.com/iPersona/blog written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/iPersona/blog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e0eddb0a4a2f64c7cbceedd8e71bd360c49e9836720442599d25250b8e631d2
[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" "2e0eddb0a4a2f64c7cbceedd8e71bd360c49e9836720442599d25250b8e631d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0eddb0a4a2f64c7cbceedd8e71bd360c49e9836720442599d25250b8e631d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0eddb0a4a2f64c7cbceedd8e71bd360c49e9836720442599d25250b8e631d2", kill_on_drop: false }`
[INFO] [stdout] 2e0eddb0a4a2f64c7cbceedd8e71bd360c49e9836720442599d25250b8e631d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1760a3178dbdeb363ebab7fe09b27ee867e28d84a5bb917dadcfe67f5978bc51
[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" "1760a3178dbdeb363ebab7fe09b27ee867e28d84a5bb917dadcfe67f5978bc51", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]     Checking typed-arena v1.4.1
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[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking rand v0.6.4
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[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
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[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking r2d2_redis v0.7.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking comrak v0.2.14
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]     Checking redis-async v0.4.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-async-0.4.3/src/client/pubsub.rs:293:41
[INFO] [stdout]     |
[INFO] [stdout] 293 |         self.con.unsubscribe(self.topic.as_ref());
[INFO] [stdout]     |                              -----------^^^^^^--
[INFO] [stdout]     |                              |          |
[INFO] [stdout]     |                              |          cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |                              this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-async` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1760a3178dbdeb363ebab7fe09b27ee867e28d84a5bb917dadcfe67f5978bc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1760a3178dbdeb363ebab7fe09b27ee867e28d84a5bb917dadcfe67f5978bc51", kill_on_drop: false }`
[INFO] [stdout] 1760a3178dbdeb363ebab7fe09b27ee867e28d84a5bb917dadcfe67f5978bc51
