[INFO] cloning repository https://github.com/power3xz/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/power3xz/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409f37b437ad161cb1dc57f9410ca9123f97dcf6
[INFO] documenting power3xz/rust-in-action against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/power3xz/rust-in-action on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] finished tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] tweaked toml for git repo https://github.com/power3xz/rust-in-action written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/power3xz/rust-in-action already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.61.0" "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] 3d2ad529ee64d12b758ad1a1210c1e43ffa6da454a7db2d1d0cadaa4a8bd91d1
[INFO] running `Command { std: "docker" "start" "-a" "3d2ad529ee64d12b758ad1a1210c1e43ffa6da454a7db2d1d0cadaa4a8bd91d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2ad529ee64d12b758ad1a1210c1e43ffa6da454a7db2d1d0cadaa4a8bd91d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2ad529ee64d12b758ad1a1210c1e43ffa6da454a7db2d1d0cadaa4a8bd91d1", kill_on_drop: false }`
[INFO] [stdout] 3d2ad529ee64d12b758ad1a1210c1e43ffa6da454a7db2d1d0cadaa4a8bd91d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.61.0" "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] 11b58bc6817b52bdf55aad438f41f92898e233f7d9196896d49fb5aa5d8fb51b
[INFO] running `Command { std: "docker" "start" "-a" "11b58bc6817b52bdf55aad438f41f92898e233f7d9196896d49fb5aa5d8fb51b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]  Documenting l5-14 v0.1.0 (/opt/rustwide/workdir/l5-14)
[INFO] [stderr]  Documenting l4-9 v0.1.0 (/opt/rustwide/workdir/l4-9)
[INFO] [stderr]  Documenting l6-1 v0.1.0 (/opt/rustwide/workdir/l6-1)
[INFO] [stderr]  Documenting l4-24 v0.1.0 (/opt/rustwide/workdir/l4-24)
[INFO] [stderr]  Documenting l2-35 v0.1.0 (/opt/rustwide/workdir/l2-35)
[INFO] [stderr]  Documenting l2-5 v0.1.0 (/opt/rustwide/workdir/l2-5)
[INFO] [stderr]  Documenting l6-6 v0.1.0 (/opt/rustwide/workdir/l6-6)
[INFO] [stderr]  Documenting l2-23 v0.1.0 (/opt/rustwide/workdir/l2-23)
[INFO] [stderr]  Documenting filebasics v0.1.0 (/opt/rustwide/workdir/filebasics)
[INFO] [stderr]  Documenting l1-8 v0.1.0 (/opt/rustwide/workdir/l1-8)
[INFO] [stderr]  Documenting l6-4 v0.1.0 (/opt/rustwide/workdir/l6-4)
[INFO] [stderr]  Documenting l3-6 v0.1.0 (/opt/rustwide/workdir/l3-6)
[INFO] [stderr]  Documenting l2-13 v0.1.0 (/opt/rustwide/workdir/l2-13)
[INFO] [stderr]  Documenting l2-1 v0.1.0 (/opt/rustwide/workdir/l2-1)
[INFO] [stderr]  Documenting l4-16 v0.1.0 (/opt/rustwide/workdir/l4-16)
[INFO] [stderr]  Documenting l3-25 v0.1.0 (/opt/rustwide/workdir/l3-25)
[INFO] [stderr] error: could not document `l5-14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name l5_14 l5-14/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c457de8d0d5ce01f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `l4-24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name l4_24 l4-24/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=aaba968d8a7b7ea6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `l6-4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name l6_4 l6-4/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=06d98c4d9e2c558d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `l1-8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name l1_8 l1-8/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=29e9bdf67b8e1eab -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `l2-1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name l2_1 l2-1/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c23fbeb32090441b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "11b58bc6817b52bdf55aad438f41f92898e233f7d9196896d49fb5aa5d8fb51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b58bc6817b52bdf55aad438f41f92898e233f7d9196896d49fb5aa5d8fb51b", kill_on_drop: false }`
[INFO] [stdout] 11b58bc6817b52bdf55aad438f41f92898e233f7d9196896d49fb5aa5d8fb51b