[INFO] fetching crate shellfn-attribute 0.1.1...
[INFO] documenting shellfn-attribute-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate shellfn-attribute 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate shellfn-attribute 0.1.1 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 shellfn-attribute 0.1.1
[INFO] finished tweaking crates.io crate shellfn-attribute 0.1.1
[INFO] tweaked toml for crates.io crate shellfn-attribute 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3c58aba5f42fff063367faf8551cdd35404826ac8cbbd2022ff9f989b4a905cc
[INFO] running `Command { std: "docker" "start" "-a" "3c58aba5f42fff063367faf8551cdd35404826ac8cbbd2022ff9f989b4a905cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c58aba5f42fff063367faf8551cdd35404826ac8cbbd2022ff9f989b4a905cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c58aba5f42fff063367faf8551cdd35404826ac8cbbd2022ff9f989b4a905cc", kill_on_drop: false }`
[INFO] [stdout] 3c58aba5f42fff063367faf8551cdd35404826ac8cbbd2022ff9f989b4a905cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0f0e9fb3fe46c5933c2e8e7c003c80d763d2a5500db4e8a44322f37e1b95efdd
[INFO] running `Command { std: "docker" "start" "-a" "0f0e9fb3fe46c5933c2e8e7c003c80d763d2a5500db4e8a44322f37e1b95efdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking shellfn-core v0.1.1
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking darling_core v0.8.6
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking darling v0.8.6
[INFO] [stderr]  Documenting shellfn-attribute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.03s
[INFO] running `Command { std: "docker" "inspect" "0f0e9fb3fe46c5933c2e8e7c003c80d763d2a5500db4e8a44322f37e1b95efdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0e9fb3fe46c5933c2e8e7c003c80d763d2a5500db4e8a44322f37e1b95efdd", kill_on_drop: false }`
[INFO] [stdout] 0f0e9fb3fe46c5933c2e8e7c003c80d763d2a5500db4e8a44322f37e1b95efdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 946f8b88617a30696c925c0a5b5752511e8efbaa700a8975ca6a6183bc43e291
[INFO] running `Command { std: "docker" "start" "-a" "946f8b88617a30696c925c0a5b5752511e8efbaa700a8975ca6a6183bc43e291", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking shellfn-core v0.1.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking darling_core v0.8.6
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking darling v0.8.6
[INFO] [stderr]  Documenting shellfn-attribute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.71s
[INFO] running `Command { std: "docker" "inspect" "946f8b88617a30696c925c0a5b5752511e8efbaa700a8975ca6a6183bc43e291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946f8b88617a30696c925c0a5b5752511e8efbaa700a8975ca6a6183bc43e291", kill_on_drop: false }`
[INFO] [stdout] 946f8b88617a30696c925c0a5b5752511e8efbaa700a8975ca6a6183bc43e291