[INFO] fetching crate hemingway 0.7.1...
[INFO] documenting hemingway-0.7.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hemingway 0.7.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hemingway 0.7.1 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 hemingway 0.7.1
[INFO] finished tweaking crates.io crate hemingway 0.7.1
[INFO] tweaked toml for crates.io crate hemingway 0.7.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hemingway 0.7.1 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 feed-rs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 07e046bd77de1d9f8a65f3967dcd549106fd189d2d4df2ec005f354ee4828ac5
[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" "07e046bd77de1d9f8a65f3967dcd549106fd189d2d4df2ec005f354ee4828ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e046bd77de1d9f8a65f3967dcd549106fd189d2d4df2ec005f354ee4828ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e046bd77de1d9f8a65f3967dcd549106fd189d2d4df2ec005f354ee4828ac5", kill_on_drop: false }`
[INFO] [stdout] 07e046bd77de1d9f8a65f3967dcd549106fd189d2d4df2ec005f354ee4828ac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 61ca33658d508c814948139e188b031bbb704112317167e1c3c283891c051a9e
[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" "61ca33658d508c814948139e188b031bbb704112317167e1c3c283891c051a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking feed-rs v0.3.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking hemingway v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hemingway v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.59s
[INFO] running `Command { std: "docker" "inspect" "61ca33658d508c814948139e188b031bbb704112317167e1c3c283891c051a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ca33658d508c814948139e188b031bbb704112317167e1c3c283891c051a9e", kill_on_drop: false }`
[INFO] [stdout] 61ca33658d508c814948139e188b031bbb704112317167e1c3c283891c051a9e