[INFO] fetching crate myne 0.2.0...
[INFO] documenting myne-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate myne 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate myne 0.2.0 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 myne 0.2.0
[INFO] finished tweaking crates.io crate myne 0.2.0
[INFO] tweaked toml for crates.io crate myne 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate myne 0.2.0 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 cc v1.0.53
[INFO] [stderr]   Downloaded crossterm_winapi v0.5.1
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded enumset_derive v0.4.4
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded epub v1.2.2
[INFO] [stderr]   Downloaded zip v0.5.5
[INFO] [stderr]   Downloaded pulldown-cmark v0.6.1
[INFO] [stderr]   Downloaded bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]   Downloaded enumset v0.4.5
[INFO] [stderr]   Downloaded crossterm v0.14.2
[INFO] [stderr]   Downloaded html2md v0.2.9
[INFO] [stderr]   Downloaded cursive v0.14.1
[INFO] [stderr]   Downloaded jni v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49f0a2e4a0d506961857be2efe504c7bbf91fed12080b168c8eec9f5fc933a60
[INFO] running `Command { std: "docker" "start" "-a" "49f0a2e4a0d506961857be2efe504c7bbf91fed12080b168c8eec9f5fc933a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f0a2e4a0d506961857be2efe504c7bbf91fed12080b168c8eec9f5fc933a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f0a2e4a0d506961857be2efe504c7bbf91fed12080b168c8eec9f5fc933a60", kill_on_drop: false }`
[INFO] [stdout] 49f0a2e4a0d506961857be2efe504c7bbf91fed12080b168c8eec9f5fc933a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2bd9e6645d29a07643d4280340f27e6311895e1fa3c623324a559bce7cae529d
[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" "2bd9e6645d29a07643d4280340f27e6311895e1fa3c623324a559bce7cae529d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking crossterm v0.14.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking epub v1.2.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.4
[INFO] [stderr]     Checking enumset v0.4.5
[INFO] [stderr]     Checking cursive v0.14.1
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking html2md v0.2.9
[INFO] [stderr]  Documenting myne v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "2bd9e6645d29a07643d4280340f27e6311895e1fa3c623324a559bce7cae529d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd9e6645d29a07643d4280340f27e6311895e1fa3c623324a559bce7cae529d", kill_on_drop: false }`
[INFO] [stdout] 2bd9e6645d29a07643d4280340f27e6311895e1fa3c623324a559bce7cae529d