[INFO] fetching crate data_vault 0.2.1...
[INFO] documenting data_vault-0.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate data_vault 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate data_vault 0.2.1 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 crates.io crate data_vault 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate data_vault 0.2.1
[INFO] tweaked toml for crates.io crate data_vault 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate data_vault 0.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v0.5.1
[INFO] [stderr]   Downloaded aes-gcm-siv v0.5.0
[INFO] [stderr]   Downloaded credit_card v0.1.3
[INFO] [stderr]   Downloaded deadpool-redis v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e9720c1ff543d01ac4bfec03fb8c70e597be6522437183c8fc8f5a22f16509ec
[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" "e9720c1ff543d01ac4bfec03fb8c70e597be6522437183c8fc8f5a22f16509ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9720c1ff543d01ac4bfec03fb8c70e597be6522437183c8fc8f5a22f16509ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9720c1ff543d01ac4bfec03fb8c70e597be6522437183c8fc8f5a22f16509ec", kill_on_drop: false }`
[INFO] [stdout] e9720c1ff543d01ac4bfec03fb8c70e597be6522437183c8fc8f5a22f16509ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 109a363138c47c4533969c8519258f9df916d3398f5a3624be10efc69366f1bb
[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" "109a363138c47c4533969c8519258f9df916d3398f5a3624be10efc69366f1bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking block-modes v0.5.0
[INFO] [stderr]     Checking aes-gcm-siv v0.5.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.37
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking combine v4.2.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking credit_card v0.1.3
[INFO] [stderr]     Checking deadpool v0.5.2
[INFO] [stderr]     Checking redis v0.16.0
[INFO] [stderr]     Checking deadpool-redis v0.6.0
[INFO] [stderr]  Documenting data_vault v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "109a363138c47c4533969c8519258f9df916d3398f5a3624be10efc69366f1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109a363138c47c4533969c8519258f9df916d3398f5a3624be10efc69366f1bb", kill_on_drop: false }`
[INFO] [stdout] 109a363138c47c4533969c8519258f9df916d3398f5a3624be10efc69366f1bb