[INFO] fetching crate bstr 0.2.17...
[INFO] documenting bstr-0.2.17 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bstr 0.2.17 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bstr 0.2.17 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 crates.io crate bstr 0.2.17
[INFO] finished tweaking crates.io crate bstr 0.2.17
[INFO] tweaked toml for crates.io crate bstr 0.2.17 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate bstr 0.2.17 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 1c68ee8f5c194a0b8d3890441db32226b5f1b5b9443f6c565fc41cb167cc8301
[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" "1c68ee8f5c194a0b8d3890441db32226b5f1b5b9443f6c565fc41cb167cc8301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c68ee8f5c194a0b8d3890441db32226b5f1b5b9443f6c565fc41cb167cc8301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c68ee8f5c194a0b8d3890441db32226b5f1b5b9443f6c565fc41cb167cc8301", kill_on_drop: false }`
[INFO] [stdout] 1c68ee8f5c194a0b8d3890441db32226b5f1b5b9443f6c565fc41cb167cc8301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 328e684b6d8c7715decdcd7caf10d600a2ff710917af9bf375cf1c18f125d20a
[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" "328e684b6d8c7715decdcd7caf10d600a2ff710917af9bf375cf1c18f125d20a", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]  Documenting bstr v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "328e684b6d8c7715decdcd7caf10d600a2ff710917af9bf375cf1c18f125d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328e684b6d8c7715decdcd7caf10d600a2ff710917af9bf375cf1c18f125d20a", kill_on_drop: false }`
[INFO] [stdout] 328e684b6d8c7715decdcd7caf10d600a2ff710917af9bf375cf1c18f125d20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4be3f3595f5a9e4ac0cd7d0800a4345e3ef4cd7c408285c61a9bee186bb1239f
[INFO] running `Command { std: "docker" "start" "-a" "4be3f3595f5a9e4ac0cd7d0800a4345e3ef4cd7c408285c61a9bee186bb1239f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]  Documenting bstr v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "4be3f3595f5a9e4ac0cd7d0800a4345e3ef4cd7c408285c61a9bee186bb1239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be3f3595f5a9e4ac0cd7d0800a4345e3ef4cd7c408285c61a9bee186bb1239f", kill_on_drop: false }`
[INFO] [stdout] 4be3f3595f5a9e4ac0cd7d0800a4345e3ef4cd7c408285c61a9bee186bb1239f