[INFO] fetching crate tmx 0.3.1...
[INFO] documenting tmx-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tmx 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tmx 0.3.1 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 tmx 0.3.1
[INFO] finished tweaking crates.io crate tmx 0.3.1
[INFO] tweaked toml for crates.io crate tmx 0.3.1 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] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded serde-aux v0.6.1
[INFO] [stderr]   Downloaded zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]   Downloaded quick-xml v0.18.1
[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] 0a3400a7db9e8cf49cd37e4812e849bcde8a1a47a5ecf21093ad69c23f610164
[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" "0a3400a7db9e8cf49cd37e4812e849bcde8a1a47a5ecf21093ad69c23f610164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3400a7db9e8cf49cd37e4812e849bcde8a1a47a5ecf21093ad69c23f610164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3400a7db9e8cf49cd37e4812e849bcde8a1a47a5ecf21093ad69c23f610164", kill_on_drop: false }`
[INFO] [stdout] 0a3400a7db9e8cf49cd37e4812e849bcde8a1a47a5ecf21093ad69c23f610164
[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] 808c2b464ba9d320ed7287db2d81a33f1d13ec46979cacb22612c917d709c9ec
[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" "808c2b464ba9d320ed7287db2d81a33f1d13ec46979cacb22612c917d709c9ec", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]  Documenting tmx v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.84s
[INFO] running `Command { std: "docker" "inspect" "808c2b464ba9d320ed7287db2d81a33f1d13ec46979cacb22612c917d709c9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808c2b464ba9d320ed7287db2d81a33f1d13ec46979cacb22612c917d709c9ec", kill_on_drop: false }`
[INFO] [stdout] 808c2b464ba9d320ed7287db2d81a33f1d13ec46979cacb22612c917d709c9ec