[INFO] fetching crate dntk 2.2.1...
[INFO] documenting dntk-2.2.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate dntk 2.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dntk 2.2.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dntk 2.2.1
[INFO] finished tweaking crates.io crate dntk 2.2.1
[INFO] tweaked toml for crates.io crate dntk 2.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df64f6a5eed6d8dd102a52b421e597abb80b2178abab93d4e646b836bdd0c425
[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" "df64f6a5eed6d8dd102a52b421e597abb80b2178abab93d4e646b836bdd0c425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df64f6a5eed6d8dd102a52b421e597abb80b2178abab93d4e646b836bdd0c425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df64f6a5eed6d8dd102a52b421e597abb80b2178abab93d4e646b836bdd0c425", kill_on_drop: false }`
[INFO] [stdout] df64f6a5eed6d8dd102a52b421e597abb80b2178abab93d4e646b836bdd0c425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d78f3cc188997a95c0a6f47fcd83b5b991b49ecda1e3588301b37daf84b0201
[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" "7d78f3cc188997a95c0a6f47fcd83b5b991b49ecda1e3588301b37daf84b0201", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking bytemuck v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]  Documenting dntk v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `LINUX_TERM_LIB` not defined
[INFO] [stdout]  --> src/term/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | include!(env!("LINUX_TERM_LIB"));
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `dntk`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name dntk src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-3dd567f9ac19187d.rmeta --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-c2e1c2d6e2f13eca.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-6e009c26c59b0b50.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5e80f06216331e5d.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-a981dabdc44cb027.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-2dc2d80c9c3ba169.rmeta --extern subprocess=/opt/rustwide/target/debug/deps/libsubprocess-61870f5954ed9cc1.rmeta --extern winapi=/opt/rustwide/target/debug/deps/libwinapi-7fdcf4cc37c7a8cc.rmeta --extern winconsole=/opt/rustwide/target/debug/deps/libwinconsole-bd7daabb0f2a3187.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "7d78f3cc188997a95c0a6f47fcd83b5b991b49ecda1e3588301b37daf84b0201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d78f3cc188997a95c0a6f47fcd83b5b991b49ecda1e3588301b37daf84b0201", kill_on_drop: false }`
[INFO] [stdout] 7d78f3cc188997a95c0a6f47fcd83b5b991b49ecda1e3588301b37daf84b0201