[INFO] cloning repository https://github.com/RickCarlino/rust-fun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RickCarlino/rust-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRickCarlino%2Frust-fun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRickCarlino%2Frust-fun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bf904b651c64ec1decc4b4fd07e00e0b9affdd6
[INFO] documenting RickCarlino/rust-fun 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%2FRickCarlino%2Frust-fun" "/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/RickCarlino/rust-fun 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/RickCarlino/rust-fun
[INFO] finished tweaking git repo https://github.com/RickCarlino/rust-fun
[INFO] tweaked toml for git repo https://github.com/RickCarlino/rust-fun written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RickCarlino/rust-fun 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] warning: dependency (redis) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.redis.redis
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (redis) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.redis.redis
[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] 60138f155b5dc96472a824c9f87707c6608fefaaa4d843fe17384aeed7f18f6f
[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" "60138f155b5dc96472a824c9f87707c6608fefaaa4d843fe17384aeed7f18f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60138f155b5dc96472a824c9f87707c6608fefaaa4d843fe17384aeed7f18f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60138f155b5dc96472a824c9f87707c6608fefaaa4d843fe17384aeed7f18f6f", kill_on_drop: false }`
[INFO] [stdout] 60138f155b5dc96472a824c9f87707c6608fefaaa4d843fe17384aeed7f18f6f
[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] 938a1f8eb644111357c60482904e5f153c3f0903fd193abefe2f7dbdbe7fa94c
[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" "938a1f8eb644111357c60482904e5f153c3f0903fd193abefe2f7dbdbe7fa94c", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (redis) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.redis.redis
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-global-executor v1.4.2
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]  Documenting rust-chat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for integer literal
[INFO] [stdout]   --> src/main.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ : () = try!(con.set("my_key", 42i));
[INFO] [stdout]    |                                         ^^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]   --> src/main.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn fetch_an_integer() -> redis::RedisResult<int> {
[INFO] [stdout]    |                    -                        ^^^ not found in this scope
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: you might be missing a type parameter: `<int>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-chat`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_chat 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 redis=/opt/rustwide/target/debug/deps/libredis-47b778ee74ecec82.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "938a1f8eb644111357c60482904e5f153c3f0903fd193abefe2f7dbdbe7fa94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938a1f8eb644111357c60482904e5f153c3f0903fd193abefe2f7dbdbe7fa94c", kill_on_drop: false }`
[INFO] [stdout] 938a1f8eb644111357c60482904e5f153c3f0903fd193abefe2f7dbdbe7fa94c
