[INFO] fetching crate cargo-show 0.5.9...
[INFO] documenting cargo-show-0.5.9 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-show 0.5.9 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cargo-show 0.5.9 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 cargo-show 0.5.9
[INFO] finished tweaking crates.io crate cargo-show 0.5.9
[INFO] tweaked toml for crates.io crate cargo-show 0.5.9 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cargo-show 0.5.9 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]  Downloading crates ...
[INFO] [stderr]   Downloaded g-k-crates-io-client v0.27.1
[INFO] [stderr]   Downloaded socket2 v0.3.7
[INFO] [stderr]   Downloaded vcpkg v0.2.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.33
[INFO] [stderr]   Downloaded curl v0.4.12
[INFO] [stderr]   Downloaded curl-sys v0.4.6
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b440741e2dd115d9e023303d85bd3ea4793279e5184dbbe81870edc73c4c7e
[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" "46b440741e2dd115d9e023303d85bd3ea4793279e5184dbbe81870edc73c4c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b440741e2dd115d9e023303d85bd3ea4793279e5184dbbe81870edc73c4c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b440741e2dd115d9e023303d85bd3ea4793279e5184dbbe81870edc73c4c7e", kill_on_drop: false }`
[INFO] [stdout] 46b440741e2dd115d9e023303d85bd3ea4793279e5184dbbe81870edc73c4c7e
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2586f7ae435bbf92c46ee45ca0187e45a29500ae08892e2888296bfcef3c207
[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" "e2586f7ae435bbf92c46ee45ca0187e45a29500ae08892e2888296bfcef3c207", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking socket2 v0.3.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling curl-sys v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking curl v0.4.12
[INFO] [stderr]     Checking g-k-crates-io-client v0.27.1
[INFO] [stderr]  Documenting cargo-show v0.5.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 55s
[INFO] running `Command { std: "docker" "inspect" "e2586f7ae435bbf92c46ee45ca0187e45a29500ae08892e2888296bfcef3c207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2586f7ae435bbf92c46ee45ca0187e45a29500ae08892e2888296bfcef3c207", kill_on_drop: false }`
[INFO] [stdout] e2586f7ae435bbf92c46ee45ca0187e45a29500ae08892e2888296bfcef3c207