[INFO] cloning repository https://github.com/royswale/substrate-course-homework-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/royswale/substrate-course-homework-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyswale%2Fsubstrate-course-homework-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyswale%2Fsubstrate-course-homework-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bf1d3a1f8c6b6198f64cdce40cf45af8d0d9a2c
[INFO] documenting royswale/substrate-course-homework-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyswale%2Fsubstrate-course-homework-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/royswale/substrate-course-homework-rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/royswale/substrate-course-homework-rust
[INFO] finished tweaking git repo https://github.com/royswale/substrate-course-homework-rust
[INFO] tweaked toml for git repo https://github.com/royswale/substrate-course-homework-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/royswale/substrate-course-homework-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 4a76a3c68c3d8d6d5a2c28c24e4c4b55d4da43e0e57af0b8100181d4bced7399
[INFO] running `Command { std: "docker" "start" "-a" "4a76a3c68c3d8d6d5a2c28c24e4c4b55d4da43e0e57af0b8100181d4bced7399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a76a3c68c3d8d6d5a2c28c24e4c4b55d4da43e0e57af0b8100181d4bced7399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a76a3c68c3d8d6d5a2c28c24e4c4b55d4da43e0e57af0b8100181d4bced7399", kill_on_drop: false }`
[INFO] [stdout] 4a76a3c68c3d8d6d5a2c28c24e4c4b55d4da43e0e57af0b8100181d4bced7399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] c1d54805e706e876605df3e75480b584ce627623f1650637f9b43d72d1b7d07e
[INFO] running `Command { std: "docker" "start" "-a" "c1d54805e706e876605df3e75480b584ce627623f1650637f9b43d72d1b7d07e", kill_on_drop: false }`
[INFO] [stderr]     Checking print-area v0.1.0 (/opt/rustwide/workdir/print-area)
[INFO] [stderr]     Checking sum-int v0.1.0 (/opt/rustwide/workdir/sum-int)
[INFO] [stderr]     Checking traffic-light v0.1.0 (/opt/rustwide/workdir/traffic-light)
[INFO] [stderr]  Documenting print-area v0.1.0 (/opt/rustwide/workdir/print-area)
[INFO] [stderr]  Documenting traffic-light v0.1.0 (/opt/rustwide/workdir/traffic-light)
[INFO] [stderr]  Documenting sum-int v0.1.0 (/opt/rustwide/workdir/sum-int)
[INFO] [stderr]  Documenting app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "c1d54805e706e876605df3e75480b584ce627623f1650637f9b43d72d1b7d07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d54805e706e876605df3e75480b584ce627623f1650637f9b43d72d1b7d07e", kill_on_drop: false }`
[INFO] [stdout] c1d54805e706e876605df3e75480b584ce627623f1650637f9b43d72d1b7d07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a53d246876727fc37121b3c1a0d815cc2c103fce41c76c3fd9253d698244c508
[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" "a53d246876727fc37121b3c1a0d815cc2c103fce41c76c3fd9253d698244c508", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "a53d246876727fc37121b3c1a0d815cc2c103fce41c76c3fd9253d698244c508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53d246876727fc37121b3c1a0d815cc2c103fce41c76c3fd9253d698244c508", kill_on_drop: false }`
[INFO] [stdout] a53d246876727fc37121b3c1a0d815cc2c103fce41c76c3fd9253d698244c508