[INFO] fetching crate rtlola-interpreter 0.4.0...
[INFO] documenting rtlola-interpreter-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rtlola-interpreter 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rtlola-interpreter 0.4.0 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 rtlola-interpreter 0.4.0
[INFO] finished tweaking crates.io crate rtlola-interpreter 0.4.0
[INFO] tweaked toml for crates.io crate rtlola-interpreter 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rtlola-interpreter 0.4.0 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 etherparse v0.9.0
[INFO] [stderr]   Downloaded ip_network v0.3.4
[INFO] [stderr]   Downloaded uom v0.25.0
[INFO] [stderr]   Downloaded rtlola-frontend v0.3.3
[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] 1b064ceef3f0babe14fc70d8fff1d4a98e6fa658da590e4692ec94e182e53edb
[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" "1b064ceef3f0babe14fc70d8fff1d4a98e6fa658da590e4692ec94e182e53edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b064ceef3f0babe14fc70d8fff1d4a98e6fa658da590e4692ec94e182e53edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b064ceef3f0babe14fc70d8fff1d4a98e6fa658da590e4692ec94e182e53edb", kill_on_drop: false }`
[INFO] [stdout] 1b064ceef3f0babe14fc70d8fff1d4a98e6fa658da590e4692ec94e182e53edb
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ea4c4affff2c4754e0dbe65873b982f4e079f6f11dfffd0dbc6ea14baaf9df4
[INFO] running `Command { std: "docker" "start" "-a" "6ea4c4affff2c4754e0dbe65873b982f4e079f6f11dfffd0dbc6ea14baaf9df4", kill_on_drop: false }`
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking etherparse v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_style v0.4.1
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking crossterm v0.10.2
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking uom v0.25.0
[INFO] [stderr]     Checking rtlola-frontend v0.3.3
[INFO] [stderr]  Documenting rtlola-interpreter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.45s
[INFO] running `Command { std: "docker" "inspect" "6ea4c4affff2c4754e0dbe65873b982f4e079f6f11dfffd0dbc6ea14baaf9df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea4c4affff2c4754e0dbe65873b982f4e079f6f11dfffd0dbc6ea14baaf9df4", kill_on_drop: false }`
[INFO] [stdout] 6ea4c4affff2c4754e0dbe65873b982f4e079f6f11dfffd0dbc6ea14baaf9df4