[INFO] cloning repository https://github.com/yurrriq/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/yurrriq/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e431a917a93548837ee24f23f132ee0e6ce5ad
[INFO] documenting yurrriq/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%2Fyurrriq%2Frust-in-action" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yurrriq/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/yurrriq/rust-in-action
[INFO] finished tweaking git repo https://github.com/yurrriq/rust-in-action
[INFO] tweaked toml for git repo https://github.com/yurrriq/rust-in-action written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/yurrriq/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 12c8d5818fb9ba71d803399b3055132f63e6b8eab4ca98b52519bdea12f09ec6
[INFO] running `Command { std: "docker" "start" "-a" "12c8d5818fb9ba71d803399b3055132f63e6b8eab4ca98b52519bdea12f09ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c8d5818fb9ba71d803399b3055132f63e6b8eab4ca98b52519bdea12f09ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c8d5818fb9ba71d803399b3055132f63e6b8eab4ca98b52519bdea12f09ec6", kill_on_drop: false }`
[INFO] [stdout] 12c8d5818fb9ba71d803399b3055132f63e6b8eab4ca98b52519bdea12f09ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] f9d35a618b0977a6e27ae1c450bcb1af0342bcb82b6fcb5e4fcf646f00baa1a8
[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" "f9d35a618b0977a6e27ae1c450bcb1af0342bcb82b6fcb5e4fcf646f00baa1a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]  Documenting rust-in-action v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `rust-in-action`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ch2_traversing_arrays src/bin/ch2-traversing-arrays.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a3149a45a72b2d97 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-a960c8fd223c68b5.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-26e18bf08353688e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.3.21` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `rust-in-action`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ch2_needle_in_haystack src/bin/ch2-needle-in-haystack.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=59eadf020fad489b -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-a960c8fd223c68b5.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-26e18bf08353688e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.3.21` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `rust-in-action`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ch2_non_base2 src/bin/ch2-non-base2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2d0d39ba622d04a2 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-a960c8fd223c68b5.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-26e18bf08353688e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.3.21` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f9d35a618b0977a6e27ae1c450bcb1af0342bcb82b6fcb5e4fcf646f00baa1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d35a618b0977a6e27ae1c450bcb1af0342bcb82b6fcb5e4fcf646f00baa1a8", kill_on_drop: false }`
[INFO] [stdout] f9d35a618b0977a6e27ae1c450bcb1af0342bcb82b6fcb5e4fcf646f00baa1a8