[INFO] cloning repository https://github.com/blurbyte/restful-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blurbyte/restful-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblurbyte%2Frestful-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblurbyte%2Frestful-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c01aa4a49e556d40789328ec3e2c8dbbe88f5651
[INFO] documenting blurbyte/restful-rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblurbyte%2Frestful-rust" "/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/blurbyte/restful-rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blurbyte/restful-rust
[INFO] finished tweaking git repo https://github.com/blurbyte/restful-rust
[INFO] tweaked toml for git repo https://github.com/blurbyte/restful-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/blurbyte/restful-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded headers v0.3.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded serde_test v1.0.104
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded multipart v0.16.1
[INFO] [stderr]   Downloaded serde_json v1.0.46
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded utf-8 v0.7.5
[INFO] [stderr]   Downloaded warp v0.2.1
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded regex v1.3.4
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53b245ce67b995dbd5338bb8cd3b7244a50aec202d5f3a0e7095fb496732fc10
[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" "53b245ce67b995dbd5338bb8cd3b7244a50aec202d5f3a0e7095fb496732fc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53b245ce67b995dbd5338bb8cd3b7244a50aec202d5f3a0e7095fb496732fc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b245ce67b995dbd5338bb8cd3b7244a50aec202d5f3a0e7095fb496732fc10", kill_on_drop: false }`
[INFO] [stdout] 53b245ce67b995dbd5338bb8cd3b7244a50aec202d5f3a0e7095fb496732fc10
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d9fe26351f6b837bc83dc73b1cab16d27deff20352dfb531e1ca59b5b25a85
[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" "01d9fe26351f6b837bc83dc73b1cab16d27deff20352dfb531e1ca59b5b25a85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking headers v0.3.1
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking warp v0.2.1
[INFO] [stderr]  Documenting restful-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "01d9fe26351f6b837bc83dc73b1cab16d27deff20352dfb531e1ca59b5b25a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d9fe26351f6b837bc83dc73b1cab16d27deff20352dfb531e1ca59b5b25a85", kill_on_drop: false }`
[INFO] [stdout] 01d9fe26351f6b837bc83dc73b1cab16d27deff20352dfb531e1ca59b5b25a85