[INFO] fetching crate robin_core 0.4.13...
[INFO] documenting robin_core-0.4.13 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate robin_core 0.4.13 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate robin_core 0.4.13 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 robin_core 0.4.13
[INFO] finished tweaking crates.io crate robin_core 0.4.13
[INFO] tweaked toml for crates.io crate robin_core 0.4.13 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] af0b9c91794674b405c33e001ffc78311a90c180e7c5bf7efa2bd97955e68feb
[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" "af0b9c91794674b405c33e001ffc78311a90c180e7c5bf7efa2bd97955e68feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0b9c91794674b405c33e001ffc78311a90c180e7c5bf7efa2bd97955e68feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0b9c91794674b405c33e001ffc78311a90c180e7c5bf7efa2bd97955e68feb", kill_on_drop: false }`
[INFO] [stdout] af0b9c91794674b405c33e001ffc78311a90c180e7c5bf7efa2bd97955e68feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6fda5393de49effa03f715d66cf219cd2bd69591514a467380e02964f6676fc1
[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" "6fda5393de49effa03f715d66cf219cd2bd69591514a467380e02964f6676fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]  Documenting robin_core v0.4.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `pest::inputs`
[INFO] [stdout]  --> src/parser.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pest::inputs::StrInput;
[INFO] [stdout]   |           ^^^^^^ could not find `inputs` in `pest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `robin_core`.
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name robin_core 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-df3606bb411fd176.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-4e450036a00184f0.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-924cd8f7977c20a8.so --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6fda5393de49effa03f715d66cf219cd2bd69591514a467380e02964f6676fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fda5393de49effa03f715d66cf219cd2bd69591514a467380e02964f6676fc1", kill_on_drop: false }`
[INFO] [stdout] 6fda5393de49effa03f715d66cf219cd2bd69591514a467380e02964f6676fc1