[INFO] fetching crate nakadion 0.28.12...
[INFO] documenting nakadion-0.28.12 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate nakadion 0.28.12 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nakadion 0.28.12 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nakadion 0.28.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nakadion 0.28.12
[INFO] tweaked toml for crates.io crate nakadion 0.28.12 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nakadion 0.28.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-api-problem v0.17.0
[INFO] [stderr]   Downloaded nakadi-types v0.28.12
[INFO] [stderr]   Downloaded metrix v0.13.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 668bb8485269f5fe5bd2eba41915298450dc32850005ccd60fb0bff0b8918db5
[INFO] running `Command { std: "docker" "start" "-a" "668bb8485269f5fe5bd2eba41915298450dc32850005ccd60fb0bff0b8918db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "668bb8485269f5fe5bd2eba41915298450dc32850005ccd60fb0bff0b8918db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668bb8485269f5fe5bd2eba41915298450dc32850005ccd60fb0bff0b8918db5", kill_on_drop: false }`
[INFO] [stdout] 668bb8485269f5fe5bd2eba41915298450dc32850005ccd60fb0bff0b8918db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5763f6a34a302b6aa59856c7db2985f378d18954e5eac6c2d1710dc0d36b8516
[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" "5763f6a34a302b6aa59856c7db2985f378d18954e5eac6c2d1710dc0d36b8516", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking pin-project-lite v0.1.9
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking http-api-problem v0.17.0
[INFO] [stderr]     Checking nakadi-types v0.28.12
[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 nakadion v0.28.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/api/client/mod.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `client` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 41  | /         #[doc="Updates all not yet set fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 42  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/api/client/mod.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Updates all not yet set fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                                       ^^^^^^
[INFO] [stdout]     = note: the module `client` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/components/committer/config.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 370 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `config` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 41  | /         #[doc="Updates all not yet set fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 42  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/components/committer/config.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 370 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Updates all not yet set fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                                       ^^^^^^
[INFO] [stdout]     = note: the module `config` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/components/connector/config.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `config` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 41  | /         #[doc="Updates all not yet set fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 42  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/components/connector/config.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Updates all not yet set fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                                       ^^^^^^
[INFO] [stdout]     = note: the module `config` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/consumer/config_types/mod.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `config_types` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 41  | /         #[doc="Updates all not yet set fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 42  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/consumer/config_types/mod.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Updates all not yet set fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                                       ^^^^^^
[INFO] [stdout]     = note: the module `config_types` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/publisher/mod.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `publisher` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 41  | /         #[doc="Updates all not yet set fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 42  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/publisher/mod.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |       env_ctors!();
[INFO] [stdout]     |       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Updates all not yet set fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                                       ^^^^^^
[INFO] [stdout]     = note: the module `publisher` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `prefix`
[INFO] [stdout]    --> src/helpers.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         #[doc="Initializes all fields from environment variables prefixed with \"[prefix]_\"\n\n"]
[INFO] [stdout] 19  | |         #[doc="The underscore is omitted if `prefix` is empty"]
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/logging/mod.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |       env_ctors!(no_fill);
[INFO] [stdout]     |       -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Initializes all fields from environment variables prefixed with "[prefix]_"
[INFO] [stdout]                                                                               ^^^^^^
[INFO] [stdout]     = note: the module `logging` contains no item named `prefix`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.49s
[INFO] running `Command { std: "docker" "inspect" "5763f6a34a302b6aa59856c7db2985f378d18954e5eac6c2d1710dc0d36b8516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5763f6a34a302b6aa59856c7db2985f378d18954e5eac6c2d1710dc0d36b8516", kill_on_drop: false }`
[INFO] [stdout] 5763f6a34a302b6aa59856c7db2985f378d18954e5eac6c2d1710dc0d36b8516
