[INFO] cloning repository https://github.com/wycats/objectshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wycats/objectshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4696c9069b1a863ab243e16eb9a78ec0328409cb
[INFO] documenting wycats/objectshell against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wycats/objectshell 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 git repo https://github.com/wycats/objectshell
[INFO] removed workspace from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-cli from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-data from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-errors from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-parser from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-plugin from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-protocol from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-source from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-value-ext from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_binaryview from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_fetch from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_from_bson from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_from_sqlite from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_inc from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_match from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_post from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_ps from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_s3 from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_start from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_sys from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_textview from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_to_bson from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_to_sqlite from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu_plugin_tree from git repo https://github.com/wycats/objectshell
[INFO] removed path dependency nu-test-support from git repo https://github.com/wycats/objectshell
[INFO] finished tweaking git repo https://github.com/wycats/objectshell
[INFO] tweaked toml for git repo https://github.com/wycats/objectshell written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wycats/objectshell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cbbd1dfc09725e7e62db024a5ff05088161f9b98147934443688dfe1a61ad9f9
[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" "cbbd1dfc09725e7e62db024a5ff05088161f9b98147934443688dfe1a61ad9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbbd1dfc09725e7e62db024a5ff05088161f9b98147934443688dfe1a61ad9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbd1dfc09725e7e62db024a5ff05088161f9b98147934443688dfe1a61ad9f9", kill_on_drop: false }`
[INFO] [stdout] cbbd1dfc09725e7e62db024a5ff05088161f9b98147934443688dfe1a61ad9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c0cbbde39ac629ae7896aeca4c21dfc437e4c763ccadfe10b80a37beedff44c6
[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" "c0cbbde39ac629ae7896aeca4c21dfc437e4c763ccadfe10b80a37beedff44c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
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[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_ini v0.2.0
[INFO] [stderr]     Checking calamine v0.16.1
[INFO] [stderr]    Compiling kstring v0.1.2
[INFO] [stderr]     Checking nu-source v0.19.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking typetag v0.1.5
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking uom v0.28.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking heim-runtime v0.1.0-beta.1
[INFO] [stderr]     Checking rust_decimal v0.10.2
[INFO] [stderr]     Checking nu-errors v0.19.0
[INFO] [stderr]     Checking natural v0.5.0
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]    Compiling liquid-core v0.20.2
[INFO] [stderr]     Checking ptree v0.2.1
[INFO] [stderr]     Checking nu-protocol v0.19.0
[INFO] [stderr]    Compiling liquid-lib v0.20.2
[INFO] [stderr]     Checking nu-parser v0.19.0
[INFO] [stderr]     Checking nu-value-ext v0.19.0
[INFO] [stderr]     Checking nu-test-support v0.19.0
[INFO] [stderr]     Checking nu-plugin v0.19.0
[INFO] [stderr]     Checking nu-data v0.19.0
[INFO] [stderr]     Checking nu_plugin_fetch v0.19.0
[INFO] [stderr]     Checking nu_plugin_inc v0.19.0
[INFO] [stderr]     Checking nu_plugin_match v0.19.0
[INFO] [stderr]     Checking nu_plugin_post v0.19.0
[INFO] [stderr]    Compiling liquid v0.20.1
[INFO] [stderr]     Checking dtparse v1.1.0
[INFO] [stderr]    Compiling bat v0.15.4
[INFO] [stderr]     Checking nu_plugin_textview v0.19.0
[INFO] [stderr]     Checking heim-net v0.1.0-beta.2
[INFO] [stderr]     Checking heim-cpu v0.1.0-beta.3
[INFO] [stderr]     Checking heim-sensors v0.1.0-beta.1
[INFO] [stderr]     Checking heim-disk v0.1.0-beta.1
[INFO] [stderr]     Checking heim-memory v0.1.0-beta.1
[INFO] [stderr]     Checking heim-process v0.1.1-beta.3
[INFO] [stderr]     Checking heim v0.1.0-beta.3
[INFO] [stderr]     Checking nu_plugin_sys v0.19.0
[INFO] [stderr]     Checking nu_plugin_ps v0.19.0
[INFO] [stderr]  Documenting nu v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `nu`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nu src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="crossterm"' --cfg 'feature="ctrlc-support"' --cfg 'feature="default"' --cfg 'feature="directories-support"' --cfg 'feature="fetch"' --cfg 'feature="git-support"' --cfg 'feature="inc"' --cfg 'feature="match"' --cfg 'feature="nu_plugin_fetch"' --cfg 'feature="nu_plugin_inc"' --cfg 'feature="nu_plugin_match"' --cfg 'feature="nu_plugin_post"' --cfg 'feature="nu_plugin_ps"' --cfg 'feature="nu_plugin_sys"' --cfg 'feature="nu_plugin_textview"' --cfg 'feature="post"' --cfg 'feature="ps"' --cfg 'feature="ptree-support"' --cfg 'feature="semver"' --cfg 'feature="sys"' --cfg 'feature="term-support"' --cfg 'feature="textview"' --cfg 'feature="url"' --cfg 'feature="uuid-support"' --cfg 'feature="which-support"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-0505b7167e391e64.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-c8de5710448ec69a.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-fbe7e0e899e90380.rmeta --extern dunce=/opt/rustwide/target/debug/deps/libdunce-8acf136766d8f01d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-ca989244a854ab8f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bb6d8bd8fe04b0f6.rmeta --extern nu_cli=/opt/rustwide/target/debug/deps/libnu_cli-58a8c5911e8b5d52.rmeta --extern nu_data=/opt/rustwide/target/debug/deps/libnu_data-f6983136f40ad048.rmeta --extern nu_errors=/opt/rustwide/target/debug/deps/libnu_errors-cb1fd9947461b61d.rmeta --extern nu_parser=/opt/rustwide/target/debug/deps/libnu_parser-4f9079468738d21a.rmeta --extern nu_plugin=/opt/rustwide/target/debug/deps/libnu_plugin-bdffcb97b09e2c9a.rmeta --extern nu_protocol=/opt/rustwide/target/debug/deps/libnu_protocol-f0753b5192872414.rmeta --extern nu_source=/opt/rustwide/target/debug/deps/libnu_source-18d76a2df9bff976.rmeta --extern nu_value_ext=/opt/rustwide/target/debug/deps/libnu_value_ext-e5e43b7863b1747b.rmeta --extern nu_plugin_fetch=/opt/rustwide/target/debug/deps/libnu_plugin_fetch-ddcb8a0abb5ac475.rmeta --extern nu_plugin_inc=/opt/rustwide/target/debug/deps/libnu_plugin_inc-125e3bec4f4d1229.rmeta --extern nu_plugin_match=/opt/rustwide/target/debug/deps/libnu_plugin_match-eeee2c7f28f68fef.rmeta --extern nu_plugin_post=/opt/rustwide/target/debug/deps/libnu_plugin_post-e11c50548a79bf25.rmeta --extern nu_plugin_ps=/opt/rustwide/target/debug/deps/libnu_plugin_ps-0c4a390cbf12f73d.rmeta --extern nu_plugin_sys=/opt/rustwide/target/debug/deps/libnu_plugin_sys-eca8bc91e0479fc5.rmeta --extern nu_plugin_textview=/opt/rustwide/target/debug/deps/libnu_plugin_textview-e9d3d28b844c8c1a.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-0f320f9bb42772a2.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-f32d6ed26fb32a0c.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-89299b391a3c156d.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-762ba2e1e45d868f.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c0cbbde39ac629ae7896aeca4c21dfc437e4c763ccadfe10b80a37beedff44c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cbbde39ac629ae7896aeca4c21dfc437e4c763ccadfe10b80a37beedff44c6", kill_on_drop: false }`
[INFO] [stdout] c0cbbde39ac629ae7896aeca4c21dfc437e4c763ccadfe10b80a37beedff44c6