[INFO] cloning repository https://github.com/marioyaksetig/7th_estate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marioyaksetig/7th_estate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioyaksetig%2F7th_estate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioyaksetig%2F7th_estate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba81bd1bceb26c85b6bee61c212338d7f229f73
[INFO] documenting marioyaksetig/7th_estate 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%2Fmarioyaksetig%2F7th_estate" "/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/marioyaksetig/7th_estate 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/marioyaksetig/7th_estate
[INFO] finished tweaking git repo https://github.com/marioyaksetig/7th_estate
[INFO] tweaked toml for git repo https://github.com/marioyaksetig/7th_estate written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/marioyaksetig/7th_estate 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] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
[INFO] [stderr]   Downloaded dbl v0.2.1
[INFO] [stderr]   Downloaded strum_macros v0.17.1
[INFO] [stderr]   Downloaded secrecy v0.6.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded cmac v0.2.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded typename v0.1.2
[INFO] [stderr]   Downloaded scrypt v0.2.0
[INFO] [stderr]   Downloaded subtle-encoding v0.4.1
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded threshold-secret-sharing v0.2.2
[INFO] [stderr]   Downloaded typename_derive v0.1.4
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded aes-ctr v0.3.0
[INFO] [stderr]   Downloaded strum v0.17.1
[INFO] [stderr]   Downloaded ctr v0.3.2
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.4
[INFO] [stderr]   Downloaded ed25519 v1.0.0-pre.1
[INFO] [stderr]   Downloaded signatory-dalek v0.17.0
[INFO] [stderr]   Downloaded signatory v0.17.1
[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" "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] d2454b0cd0f89a02fec4cb8a82890c068ce21472dbe3bac7bdbf0960a3da40ba
[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" "d2454b0cd0f89a02fec4cb8a82890c068ce21472dbe3bac7bdbf0960a3da40ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2454b0cd0f89a02fec4cb8a82890c068ce21472dbe3bac7bdbf0960a3da40ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2454b0cd0f89a02fec4cb8a82890c068ce21472dbe3bac7bdbf0960a3da40ba", kill_on_drop: false }`
[INFO] [stdout] d2454b0cd0f89a02fec4cb8a82890c068ce21472dbe3bac7bdbf0960a3da40ba
[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" "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] f5d478260c30fbc6c453575a0e1c8d0527f7419866253f5fcd084848f09b19a7
[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" "f5d478260c30fbc6c453575a0e1c8d0527f7419866253f5fcd084848f09b19a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking threshold-secret-sharing v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking signatory v0.17.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking signatory-dalek v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling typename_derive v0.1.4
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking typename v0.1.2
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]  Documenting seventh-estate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/cryptography/authenticated_encryption.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 135 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 134 | /// ```text
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.57s
[INFO] running `Command { std: "docker" "inspect" "f5d478260c30fbc6c453575a0e1c8d0527f7419866253f5fcd084848f09b19a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d478260c30fbc6c453575a0e1c8d0527f7419866253f5fcd084848f09b19a7", kill_on_drop: false }`
[INFO] [stdout] f5d478260c30fbc6c453575a0e1c8d0527f7419866253f5fcd084848f09b19a7