[INFO] fetching crate pgn-reader 0.15.0...
[INFO] documenting pgn-reader-0.15.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pgn-reader 0.15.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pgn-reader 0.15.0 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 pgn-reader 0.15.0
[INFO] finished tweaking crates.io crate pgn-reader 0.15.0
[INFO] tweaked toml for crates.io crate pgn-reader 0.15.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate pgn-reader 0.15.0 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 lzma-sys v0.1.14
[INFO] [stderr]   Downloaded btoi v0.4.1
[INFO] [stderr]   Downloaded miniz_oxide v0.3.1
[INFO] [stderr]   Downloaded shakmaty v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a710743d91b1233248f5ddf0931893ddab9826e4c4c3d50938f86392df71f6f8
[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" "a710743d91b1233248f5ddf0931893ddab9826e4c4c3d50938f86392df71f6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a710743d91b1233248f5ddf0931893ddab9826e4c4c3d50938f86392df71f6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a710743d91b1233248f5ddf0931893ddab9826e4c4c3d50938f86392df71f6f8", kill_on_drop: false }`
[INFO] [stdout] a710743d91b1233248f5ddf0931893ddab9826e4c4c3d50938f86392df71f6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a271a32ea6010985f279965c2b60e413912b120e5f6d280eb885cc4bd32fe022
[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" "a271a32ea6010985f279965c2b60e413912b120e5f6d280eb885cc4bd32fe022", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling shakmaty v0.15.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking btoi v0.4.1
[INFO] [stderr]  Documenting pgn-reader v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "a271a32ea6010985f279965c2b60e413912b120e5f6d280eb885cc4bd32fe022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a271a32ea6010985f279965c2b60e413912b120e5f6d280eb885cc4bd32fe022", kill_on_drop: false }`
[INFO] [stdout] a271a32ea6010985f279965c2b60e413912b120e5f6d280eb885cc4bd32fe022