[INFO] cloning repository https://github.com/aaronboult/rust-webassembly-soduku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronboult/rust-webassembly-soduku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronboult%2Frust-webassembly-soduku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronboult%2Frust-webassembly-soduku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50dca51e94f4d42d36bf7ff19952893fdb954023
[INFO] documenting aaronboult/rust-webassembly-soduku 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%2Faaronboult%2Frust-webassembly-soduku" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronboult/rust-webassembly-soduku 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/aaronboult/rust-webassembly-soduku
[INFO] finished tweaking git repo https://github.com/aaronboult/rust-webassembly-soduku
[INFO] tweaked toml for git repo https://github.com/aaronboult/rust-webassembly-soduku written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronboult/rust-webassembly-soduku 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.21
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[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] 070f406fa4cb1a9f1b7f4e6eb7ff76ebd479e492eb37d75f2fc225feedee96bf
[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" "070f406fa4cb1a9f1b7f4e6eb7ff76ebd479e492eb37d75f2fc225feedee96bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "070f406fa4cb1a9f1b7f4e6eb7ff76ebd479e492eb37d75f2fc225feedee96bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070f406fa4cb1a9f1b7f4e6eb7ff76ebd479e492eb37d75f2fc225feedee96bf", kill_on_drop: false }`
[INFO] [stdout] 070f406fa4cb1a9f1b7f4e6eb7ff76ebd479e492eb37d75f2fc225feedee96bf
[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] 05fb42e4e4d33d4827de007c937525debf42c5404cd8d4fbe316808a9458aa20
[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" "05fb42e4e4d33d4827de007c937525debf42c5404cd8d4fbe316808a9458aa20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.62
[INFO] [stderr]    Compiling bumpalo v3.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.62
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.62
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.62
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.62
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]  Documenting soduku-webassembly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "05fb42e4e4d33d4827de007c937525debf42c5404cd8d4fbe316808a9458aa20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb42e4e4d33d4827de007c937525debf42c5404cd8d4fbe316808a9458aa20", kill_on_drop: false }`
[INFO] [stdout] 05fb42e4e4d33d4827de007c937525debf42c5404cd8d4fbe316808a9458aa20