[INFO] fetching crate crin 0.2.0...
[INFO] documenting crin-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate crin 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate crin 0.2.0 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 crates.io crate crin 0.2.0
[INFO] finished tweaking crates.io crate crin 0.2.0
[INFO] tweaked toml for crates.io crate crin 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13fe7f43ea556fef2611ebb238b09b1a57e3bdb6530fa174cf95a07218b87d31
[INFO] running `Command { std: "docker" "start" "-a" "13fe7f43ea556fef2611ebb238b09b1a57e3bdb6530fa174cf95a07218b87d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fe7f43ea556fef2611ebb238b09b1a57e3bdb6530fa174cf95a07218b87d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fe7f43ea556fef2611ebb238b09b1a57e3bdb6530fa174cf95a07218b87d31", kill_on_drop: false }`
[INFO] [stdout] 13fe7f43ea556fef2611ebb238b09b1a57e3bdb6530fa174cf95a07218b87d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 69c1922a0f378865d399d9f63d3b8c9004ba4d54618ab4ed97ac139a35f1be7c
[INFO] running `Command { std: "docker" "start" "-a" "69c1922a0f378865d399d9f63d3b8c9004ba4d54618ab4ed97ac139a35f1be7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking byte-unit v1.1.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling isolang v1.0.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking timeago v0.2.1
[INFO] [stderr]  Documenting crin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/crates_io_api/mod.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![recursion_limit = "128"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]   --> src/crates_io_api/mod.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![recursion_limit = "128"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "69c1922a0f378865d399d9f63d3b8c9004ba4d54618ab4ed97ac139a35f1be7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c1922a0f378865d399d9f63d3b8c9004ba4d54618ab4ed97ac139a35f1be7c", kill_on_drop: false }`
[INFO] [stdout] 69c1922a0f378865d399d9f63d3b8c9004ba4d54618ab4ed97ac139a35f1be7c