[INFO] fetching crate yy-boss 0.4.2...
[INFO] documenting yy-boss-0.4.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate yy-boss 0.4.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yy-boss 0.4.2 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 yy-boss 0.4.2
[INFO] finished tweaking crates.io crate yy-boss 0.4.2
[INFO] tweaked toml for crates.io crate yy-boss 0.4.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate yy-boss 0.4.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.1
[INFO] [stderr]   Downloaded yy-typings v0.3.7
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded strum v0.18.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed78fb8ef382902ef88faae2ceaa6bf382e8d7afda3abfa51938ba80614ea614
[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" "ed78fb8ef382902ef88faae2ceaa6bf382e8d7afda3abfa51938ba80614ea614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed78fb8ef382902ef88faae2ceaa6bf382e8d7afda3abfa51938ba80614ea614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed78fb8ef382902ef88faae2ceaa6bf382e8d7afda3abfa51938ba80614ea614", kill_on_drop: false }`
[INFO] [stdout] ed78fb8ef382902ef88faae2ceaa6bf382e8d7afda3abfa51938ba80614ea614
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2009c90a96ed34e2c19b8718e5f52e3c16dee983d96e5ea9f33e3a7fb95603
[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" "ff2009c90a96ed34e2c19b8718e5f52e3c16dee983d96e5ea9f33e3a7fb95603", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling num-derive v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking yy-typings v0.3.7
[INFO] [stderr]     Checking yy-boss v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting yy-boss v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "ff2009c90a96ed34e2c19b8718e5f52e3c16dee983d96e5ea9f33e3a7fb95603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2009c90a96ed34e2c19b8718e5f52e3c16dee983d96e5ea9f33e3a7fb95603", kill_on_drop: false }`
[INFO] [stdout] ff2009c90a96ed34e2c19b8718e5f52e3c16dee983d96e5ea9f33e3a7fb95603