[INFO] fetching crate dbcc 2.1.0...
[INFO] documenting dbcc-2.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dbcc 2.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dbcc 2.1.0 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 dbcc 2.1.0
[INFO] finished tweaking crates.io crate dbcc 2.1.0
[INFO] tweaked toml for crates.io crate dbcc 2.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dbcc 2.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-macros v2.0.0
[INFO] [stderr]   Downloaded async-std v1.1.0
[INFO] [stderr]   Downloaded socketcan v1.7.0
[INFO] [stderr]   Downloaded can-dbc v3.0.1
[INFO] [stderr]   Downloaded tokio-socketcan-bcm v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85d3bc4e56ac1f651a4fab4f26ce65b1720894f4e2f2e12a26e6a9af523d5dc0
[INFO] running `Command { std: "docker" "start" "-a" "85d3bc4e56ac1f651a4fab4f26ce65b1720894f4e2f2e12a26e6a9af523d5dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d3bc4e56ac1f651a4fab4f26ce65b1720894f4e2f2e12a26e6a9af523d5dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d3bc4e56ac1f651a4fab4f26ce65b1720894f4e2f2e12a26e6a9af523d5dc0", kill_on_drop: false }`
[INFO] [stdout] 85d3bc4e56ac1f651a4fab4f26ce65b1720894f4e2f2e12a26e6a9af523d5dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3dec9add4defa737e3a42b0de9a73d40b07ee7c322147a23c7057eed0f1d7008
[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" "3dec9add4defa737e3a42b0de9a73d40b07ee7c322147a23c7057eed0f1d7008", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking proc-macro2 v1.0.6
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling derive-getters v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking can-dbc v3.0.1
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]  Documenting dbcc v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.66s
[INFO] running `Command { std: "docker" "inspect" "3dec9add4defa737e3a42b0de9a73d40b07ee7c322147a23c7057eed0f1d7008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dec9add4defa737e3a42b0de9a73d40b07ee7c322147a23c7057eed0f1d7008", kill_on_drop: false }`
[INFO] [stdout] 3dec9add4defa737e3a42b0de9a73d40b07ee7c322147a23c7057eed0f1d7008