[INFO] fetching crate subparse 0.6.2...
[INFO] documenting subparse-0.6.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate subparse 0.6.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate subparse 0.6.2 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 subparse 0.6.2
[INFO] finished tweaking crates.io crate subparse 0.6.2
[INFO] tweaked toml for crates.io crate subparse 0.6.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate subparse 0.6.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0df7e5b8714883875addcedfeb402903a831347a6ce438c9e3169689d5cceac1
[INFO] running `Command { std: "docker" "start" "-a" "0df7e5b8714883875addcedfeb402903a831347a6ce438c9e3169689d5cceac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df7e5b8714883875addcedfeb402903a831347a6ce438c9e3169689d5cceac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df7e5b8714883875addcedfeb402903a831347a6ce438c9e3169689d5cceac1", kill_on_drop: false }`
[INFO] [stdout] 0df7e5b8714883875addcedfeb402903a831347a6ce438c9e3169689d5cceac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a3c7a0f61429c4c2d41cdb347a49e67a70490d29d4963dd41918b09713ed1d48
[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" "a3c7a0f61429c4c2d41cdb347a49e67a70490d29d4963dd41918b09713ed1d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]  Documenting subparse v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `cause`
[INFO] [stdout]   --> src/formats/vobsub.rs:23:76
[INFO] [stdout]    |
[INFO] [stdout] 23 |         /// Since `vobsub::Error` does not implement Sync. We cannot use #[cause] for it.
[INFO] [stdout]    |                                                                            ^^^^^ the module `errors` contains no item named `cause`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `cause`
[INFO] [stdout]   --> src/formats/vobsub.rs:23:76
[INFO] [stdout]    |
[INFO] [stdout] 23 |         /// Since `vobsub::Error` does not implement Sync. We cannot use #[cause] for it.
[INFO] [stdout]    |                                                                            ^^^^^ the module `errors` contains no item named `cause`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.05s
[INFO] running `Command { std: "docker" "inspect" "a3c7a0f61429c4c2d41cdb347a49e67a70490d29d4963dd41918b09713ed1d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c7a0f61429c4c2d41cdb347a49e67a70490d29d4963dd41918b09713ed1d48", kill_on_drop: false }`
[INFO] [stdout] a3c7a0f61429c4c2d41cdb347a49e67a70490d29d4963dd41918b09713ed1d48
