[INFO] cloning repository https://github.com/z0ff/yew-janken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z0ff/yew-janken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz0ff%2Fyew-janken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz0ff%2Fyew-janken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7c271fc58cdde79feb2d57907a5be50a18cb07e
[INFO] documenting z0ff/yew-janken against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz0ff%2Fyew-janken" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/z0ff/yew-janken 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 git repo https://github.com/z0ff/yew-janken
[INFO] finished tweaking git repo https://github.com/z0ff/yew-janken
[INFO] tweaked toml for git repo https://github.com/z0ff/yew-janken written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/z0ff/yew-janken 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]     Updating git repository `https://github.com/yewstack/yew`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.20
[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] [stdout] 18258105c1d59d6d43019cfb13467aa6f3417297b9108a7d177c588cba6464a0
[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" "18258105c1d59d6d43019cfb13467aa6f3417297b9108a7d177c588cba6464a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18258105c1d59d6d43019cfb13467aa6f3417297b9108a7d177c588cba6464a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18258105c1d59d6d43019cfb13467aa6f3417297b9108a7d177c588cba6464a0", kill_on_drop: false }`
[INFO] [stdout] 18258105c1d59d6d43019cfb13467aa6f3417297b9108a7d177c588cba6464a0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4e813ee35acc54096baa168ba8131f2cebe350adb804a5f2fe2177a3aa42790
[INFO] running `Command { std: "docker" "start" "-a" "f4e813ee35acc54096baa168ba8131f2cebe350adb804a5f2fe2177a3aa42790", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]    Compiling yew v0.10.1 (https://github.com/yewstack/yew#7019dfb6)
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew#7019dfb6)
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]  Documenting yew-janken v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "f4e813ee35acc54096baa168ba8131f2cebe350adb804a5f2fe2177a3aa42790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e813ee35acc54096baa168ba8131f2cebe350adb804a5f2fe2177a3aa42790", kill_on_drop: false }`
[INFO] [stdout] f4e813ee35acc54096baa168ba8131f2cebe350adb804a5f2fe2177a3aa42790