[INFO] fetching crate cymrust 0.3.4...
[INFO] documenting cymrust-0.3.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cymrust 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cymrust 0.3.4 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 cymrust 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cymrust 0.3.4
[INFO] tweaked toml for crates.io crate cymrust 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[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 resolve v0.1.2
[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] 5dea1f58a392ec0c00161d14d50628576f15ada72b9dc304081c8c75418ac9e4
[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" "5dea1f58a392ec0c00161d14d50628576f15ada72b9dc304081c8c75418ac9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dea1f58a392ec0c00161d14d50628576f15ada72b9dc304081c8c75418ac9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dea1f58a392ec0c00161d14d50628576f15ada72b9dc304081c8c75418ac9e4", kill_on_drop: false }`
[INFO] [stdout] 5dea1f58a392ec0c00161d14d50628576f15ada72b9dc304081c8c75418ac9e4
[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] 38ff3472e2d47c72c2a66291509f23db5645509ba0326d4b473814deacf864f5
[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" "38ff3472e2d47c72c2a66291509f23db5645509ba0326d4b473814deacf864f5", kill_on_drop: false }`
[INFO] [stderr]     Checking resolve v0.1.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]  Documenting cymrust v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "38ff3472e2d47c72c2a66291509f23db5645509ba0326d4b473814deacf864f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ff3472e2d47c72c2a66291509f23db5645509ba0326d4b473814deacf864f5", kill_on_drop: false }`
[INFO] [stdout] 38ff3472e2d47c72c2a66291509f23db5645509ba0326d4b473814deacf864f5