[INFO] fetching crate sefr 0.3.1...
[INFO] documenting sefr-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sefr 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sefr 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 sefr 0.3.1
[INFO] finished tweaking crates.io crate sefr 0.3.1
[INFO] tweaked toml for crates.io crate sefr 0.3.1 written to /workspace/builds/worker-2/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 minreq v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cbd8a54066f3f15ba9c61a3b8a7adb3fe0a7bed2708e6350de61f47a9e98b1ca
[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" "cbd8a54066f3f15ba9c61a3b8a7adb3fe0a7bed2708e6350de61f47a9e98b1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd8a54066f3f15ba9c61a3b8a7adb3fe0a7bed2708e6350de61f47a9e98b1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd8a54066f3f15ba9c61a3b8a7adb3fe0a7bed2708e6350de61f47a9e98b1ca", kill_on_drop: false }`
[INFO] [stdout] cbd8a54066f3f15ba9c61a3b8a7adb3fe0a7bed2708e6350de61f47a9e98b1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] eac0e46bfafafad4d2ef2bad5be798a03b7427ef4563b5d9515fb6f4d1825bd9
[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" "eac0e46bfafafad4d2ef2bad5be798a03b7427ef4563b5d9515fb6f4d1825bd9", kill_on_drop: false }`
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]     Checking minreq v1.4.1
[INFO] [stderr]  Documenting sefr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "eac0e46bfafafad4d2ef2bad5be798a03b7427ef4563b5d9515fb6f4d1825bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac0e46bfafafad4d2ef2bad5be798a03b7427ef4563b5d9515fb6f4d1825bd9", kill_on_drop: false }`
[INFO] [stdout] eac0e46bfafafad4d2ef2bad5be798a03b7427ef4563b5d9515fb6f4d1825bd9