[INFO] fetching crate oas_gen 0.4.4...
[INFO] documenting oas_gen-0.4.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate oas_gen 0.4.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate oas_gen 0.4.4 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 oas_gen 0.4.4
[INFO] finished tweaking crates.io crate oas_gen 0.4.4
[INFO] tweaked toml for crates.io crate oas_gen 0.4.4 written to /workspace/builds/worker-9/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 heck v0.3.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded http v0.2.1
[INFO] [stderr]   Downloaded schemars v0.7.6
[INFO] [stderr]   Downloaded serde_derive_internals v0.25.0
[INFO] [stderr]   Downloaded schemars_derive v0.7.6
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded serde_skip v0.1.0
[INFO] [stderr]   Downloaded contracts v0.3.0
[INFO] [stderr]   Downloaded openapiv3 v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a6e32d04d20c9186e44a54a25035860379e9a6b7fa5dbc972aaab8cf27fd395f
[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" "a6e32d04d20c9186e44a54a25035860379e9a6b7fa5dbc972aaab8cf27fd395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e32d04d20c9186e44a54a25035860379e9a6b7fa5dbc972aaab8cf27fd395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e32d04d20c9186e44a54a25035860379e9a6b7fa5dbc972aaab8cf27fd395f", kill_on_drop: false }`
[INFO] [stdout] a6e32d04d20c9186e44a54a25035860379e9a6b7fa5dbc972aaab8cf27fd395f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 69751e92e7a84bc00babf6c561fdf6a0b09bd4da5b6bae31cf37103fb4d03e55
[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" "69751e92e7a84bc00babf6c561fdf6a0b09bd4da5b6bae31cf37103fb4d03e55", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling schemars v0.7.6
[INFO] [stderr]     Checking serde_skip v0.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling schemars_derive v0.7.6
[INFO] [stderr]    Compiling contracts v0.3.0
[INFO] [stderr]  Documenting oas_gen v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.64s
[INFO] running `Command { std: "docker" "inspect" "69751e92e7a84bc00babf6c561fdf6a0b09bd4da5b6bae31cf37103fb4d03e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69751e92e7a84bc00babf6c561fdf6a0b09bd4da5b6bae31cf37103fb4d03e55", kill_on_drop: false }`
[INFO] [stdout] 69751e92e7a84bc00babf6c561fdf6a0b09bd4da5b6bae31cf37103fb4d03e55