[INFO] fetching crate mdbookshelf 0.1.2...
[INFO] documenting mdbookshelf-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mdbookshelf 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mdbookshelf 0.1.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbookshelf 0.1.2
[INFO] finished tweaking crates.io crate mdbookshelf 0.1.2
[INFO] tweaked toml for crates.io crate mdbookshelf 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate mdbookshelf 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded open v1.3.2
[INFO] [stderr]   Downloaded epub-builder v0.4.4
[INFO] [stderr]   Downloaded ammonia v3.0.0
[INFO] [stderr]   Downloaded mdbook v0.3.5
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.6
[INFO] [stderr]   Downloaded toml-query v0.9.2
[INFO] [stderr]   Downloaded toml-query_derive v0.9.0
[INFO] [stderr]   Downloaded gitignore v1.0.6
[INFO] [stderr]   Downloaded mdbook-epub v0.3.0
[INFO] [stderr]   Downloaded color-backtrace v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846da6cc159878543821bc904778ea46b66c1346848890fd23b31e4e03ac63d5
[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" "846da6cc159878543821bc904778ea46b66c1346848890fd23b31e4e03ac63d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846da6cc159878543821bc904778ea46b66c1346848890fd23b31e4e03ac63d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846da6cc159878543821bc904778ea46b66c1346848890fd23b31e4e03ac63d5", kill_on_drop: false }`
[INFO] [stdout] 846da6cc159878543821bc904778ea46b66c1346848890fd23b31e4e03ac63d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c50245064722ca8c03b3c03f02acbb0fc3f65883e2416da5788682f73e01ad
[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" "f2c50245064722ca8c03b3c03f02acbb0fc3f65883e2416da5788682f73e01ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking open v1.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]     Checking pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking color-backtrace v0.1.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking epub-builder v0.4.4
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking ammonia v3.0.0
[INFO] [stderr]     Checking mdbook v0.3.5
[INFO] [stderr]     Checking mdbook-epub v0.3.0
[INFO] [stderr]  Documenting mdbookshelf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 18s
[INFO] running `Command { std: "docker" "inspect" "f2c50245064722ca8c03b3c03f02acbb0fc3f65883e2416da5788682f73e01ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c50245064722ca8c03b3c03f02acbb0fc3f65883e2416da5788682f73e01ad", kill_on_drop: false }`
[INFO] [stdout] f2c50245064722ca8c03b3c03f02acbb0fc3f65883e2416da5788682f73e01ad