[INFO] fetching crate mask 0.9.0...
[INFO] documenting mask-0.9.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate mask 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mask 0.9.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mask 0.9.0
[INFO] finished tweaking crates.io crate mask 0.9.0
[INFO] tweaked toml for crates.io crate mask 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mask 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded unicase v2.4.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded serde_derive v1.0.97
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded globwalk v0.5.0
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded ignore v0.4.7
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded assert_fs v0.11.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.2
[INFO] [stderr]   Downloaded bstr v0.2.2
[INFO] [stderr]   Downloaded predicates v1.0.1
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded termion v1.5.3
[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b346f743d204173037f9a3a802827ae2f0ab50daeffbcd5db20b33bae310eba
[INFO] running `Command { std: "docker" "start" "-a" "5b346f743d204173037f9a3a802827ae2f0ab50daeffbcd5db20b33bae310eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b346f743d204173037f9a3a802827ae2f0ab50daeffbcd5db20b33bae310eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b346f743d204173037f9a3a802827ae2f0ab50daeffbcd5db20b33bae310eba", kill_on_drop: false }`
[INFO] [stdout] 5b346f743d204173037f9a3a802827ae2f0ab50daeffbcd5db20b33bae310eba
[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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28894bf3c34d563d53e5512b5c6c3c404561330cec6d020799ec52467e589aaa
[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" "28894bf3c34d563d53e5512b5c6c3c404561330cec6d020799ec52467e589aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling pulldown-cmark v0.5.2
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]  Documenting mask v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.71s
[INFO] running `Command { std: "docker" "inspect" "28894bf3c34d563d53e5512b5c6c3c404561330cec6d020799ec52467e589aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28894bf3c34d563d53e5512b5c6c3c404561330cec6d020799ec52467e589aaa", kill_on_drop: false }`
[INFO] [stdout] 28894bf3c34d563d53e5512b5c6c3c404561330cec6d020799ec52467e589aaa
