[INFO] fetching crate cargo-whatfeatures 0.9.5...
[INFO] documenting cargo-whatfeatures-0.9.5 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate cargo-whatfeatures 0.9.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.5 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-whatfeatures 0.9.5
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.5
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.11.2
[INFO] [stderr]   Downloaded directories-next v1.0.1
[INFO] [stderr]   Downloaded attohttpc v0.15.0
[INFO] [stderr]   Downloaded time v0.2.18
[INFO] [stderr]   Downloaded crate_version_parse v0.2.0
[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-2020-10-09" "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] a26f675cb67bf7e3a593cf98e21401eb17d5be82f09d6e1eb576252964f4f018
[INFO] running `Command { std: "docker" "start" "-a" "a26f675cb67bf7e3a593cf98e21401eb17d5be82f09d6e1eb576252964f4f018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26f675cb67bf7e3a593cf98e21401eb17d5be82f09d6e1eb576252964f4f018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26f675cb67bf7e3a593cf98e21401eb17d5be82f09d6e1eb576252964f4f018", kill_on_drop: false }`
[INFO] [stdout] a26f675cb67bf7e3a593cf98e21401eb17d5be82f09d6e1eb576252964f4f018
[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-2020-10-09" "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] cc354154cfa307f1348c5cb76a9bcdaa3ad600750c52fa3fb0b17f54292198d0
[INFO] running `Command { std: "docker" "start" "-a" "cc354154cfa307f1348c5cb76a9bcdaa3ad600750c52fa3fb0b17f54292198d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.18
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking directories-next v1.0.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking cargo_metadata v0.11.2
[INFO] [stderr]  Documenting cargo-whatfeatures v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.15s
[INFO] running `Command { std: "docker" "inspect" "cc354154cfa307f1348c5cb76a9bcdaa3ad600750c52fa3fb0b17f54292198d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc354154cfa307f1348c5cb76a9bcdaa3ad600750c52fa3fb0b17f54292198d0", kill_on_drop: false }`
[INFO] [stdout] cc354154cfa307f1348c5cb76a9bcdaa3ad600750c52fa3fb0b17f54292198d0
