[INFO] fetching crate cron-bugfix-version 0.4.0...
[INFO] documenting cron-bugfix-version-0.4.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate cron-bugfix-version 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cron-bugfix-version 0.4.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cron-bugfix-version 0.4.0
[INFO] finished tweaking crates.io crate cron-bugfix-version 0.4.0
[INFO] tweaked toml for crates.io crate cron-bugfix-version 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b796da1f7a10259ede5258bf91d782dd7cc75841484aba012169cc8f01b8963
[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" "1b796da1f7a10259ede5258bf91d782dd7cc75841484aba012169cc8f01b8963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b796da1f7a10259ede5258bf91d782dd7cc75841484aba012169cc8f01b8963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b796da1f7a10259ede5258bf91d782dd7cc75841484aba012169cc8f01b8963", kill_on_drop: false }`
[INFO] [stdout] 1b796da1f7a10259ede5258bf91d782dd7cc75841484aba012169cc8f01b8963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31aed9fe09fb54a17c408fb12291b4a91eb7b0ae20151679ffdc8677149a0720
[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" "31aed9fe09fb54a17c408fb12291b4a91eb7b0ae20151679ffdc8677149a0720", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]  Documenting cron-bugfix-version v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::collections::range`
[INFO] [stdout]   --> src/time_unit/mod.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::range::{RangeArgument};
[INFO] [stdout]    |                       ^^^^^ could not find `range` in `collections`
[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] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `cron-bugfix-version`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name cron 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 chrono=/opt/rustwide/target/debug/deps/libchrono-0666fa2cda1f2bcf.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-1eec91f4154a555d.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-a8006375c352ea48.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "31aed9fe09fb54a17c408fb12291b4a91eb7b0ae20151679ffdc8677149a0720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aed9fe09fb54a17c408fb12291b4a91eb7b0ae20151679ffdc8677149a0720", kill_on_drop: false }`
[INFO] [stdout] 31aed9fe09fb54a17c408fb12291b4a91eb7b0ae20151679ffdc8677149a0720