[INFO] fetching crate dbgen 0.7.0...
[INFO] documenting dbgen-0.7.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dbgen 0.7.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dbgen 0.7.0 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 dbgen 0.7.0
[INFO] finished tweaking crates.io crate dbgen 0.7.0
[INFO] tweaked toml for crates.io crate dbgen 0.7.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate dbgen 0.7.0 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 zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]   Downloaded zipf v6.1.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded rand_regex v0.13.1
[INFO] [stderr]   Downloaded muldiv v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 879feb83106a5467ed84de438fb9751683da67fcc46f1451e1b21b411e079db9
[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" "879feb83106a5467ed84de438fb9751683da67fcc46f1451e1b21b411e079db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "879feb83106a5467ed84de438fb9751683da67fcc46f1451e1b21b411e079db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879feb83106a5467ed84de438fb9751683da67fcc46f1451e1b21b411e079db9", kill_on_drop: false }`
[INFO] [stdout] 879feb83106a5467ed84de438fb9751683da67fcc46f1451e1b21b411e079db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f92396d9f2c4f7f092f36c64b362e0c18aaaa6ef31493570fdcfe745c8a9a8ac
[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" "f92396d9f2c4f7f092f36c64b362e0c18aaaa6ef31493570fdcfe745c8a9a8ac", 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]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_isaac v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking zipf v6.1.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking rand_regex v0.13.1
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling dbgen v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]     Checking structopt v0.3.8
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]  Documenting dbgen v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "f92396d9f2c4f7f092f36c64b362e0c18aaaa6ef31493570fdcfe745c8a9a8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92396d9f2c4f7f092f36c64b362e0c18aaaa6ef31493570fdcfe745c8a9a8ac", kill_on_drop: false }`
[INFO] [stdout] f92396d9f2c4f7f092f36c64b362e0c18aaaa6ef31493570fdcfe745c8a9a8ac