[INFO] fetching crate work_tock 0.2.0...
[INFO] documenting work_tock-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate work_tock 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate work_tock 0.2.0 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 work_tock 0.2.0
[INFO] finished tweaking crates.io crate work_tock 0.2.0
[INFO] tweaked toml for crates.io crate work_tock 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate work_tock 0.2.0 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 clap_conf v0.1.5
[INFO] [stderr]   Downloaded lazy_conf v0.1.1
[INFO] [stderr]   Downloaded gobble v0.3.0
[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] 21c25f83af1d16d5828133c60648fcbc57c6b03bae39fed8272a2f50024c148b
[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" "21c25f83af1d16d5828133c60648fcbc57c6b03bae39fed8272a2f50024c148b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c25f83af1d16d5828133c60648fcbc57c6b03bae39fed8272a2f50024c148b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c25f83af1d16d5828133c60648fcbc57c6b03bae39fed8272a2f50024c148b", kill_on_drop: false }`
[INFO] [stdout] 21c25f83af1d16d5828133c60648fcbc57c6b03bae39fed8272a2f50024c148b
[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] 3d3b5402a5ea7878fe21dd3a6983916e9210e04ad9b03d4cfad5b36da70f0204
[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" "3d3b5402a5ea7878fe21dd3a6983916e9210e04ad9b03d4cfad5b36da70f0204", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking lazy_conf v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking clap_conf v0.1.5
[INFO] [stderr]     Checking gobble v0.3.0
[INFO] [stderr]     Checking work_tock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting work_tock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.22s
[INFO] running `Command { std: "docker" "inspect" "3d3b5402a5ea7878fe21dd3a6983916e9210e04ad9b03d4cfad5b36da70f0204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3b5402a5ea7878fe21dd3a6983916e9210e04ad9b03d4cfad5b36da70f0204", kill_on_drop: false }`
[INFO] [stdout] 3d3b5402a5ea7878fe21dd3a6983916e9210e04ad9b03d4cfad5b36da70f0204