[INFO] fetching crate cs-trace 0.12.0...
[INFO] documenting cs-trace-0.12.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cs-trace 0.12.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cs-trace 0.12.0 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 cs-trace 0.12.0
[INFO] finished tweaking crates.io crate cs-trace 0.12.0
[INFO] tweaked toml for crates.io crate cs-trace 0.12.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cs-trace 0.12.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e6d3ae5c33f5a8b96a7bd78feb5fd8174ae09b098be85fdfb6cef18f866d4f34
[INFO] running `Command { std: "docker" "start" "-a" "e6d3ae5c33f5a8b96a7bd78feb5fd8174ae09b098be85fdfb6cef18f866d4f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d3ae5c33f5a8b96a7bd78feb5fd8174ae09b098be85fdfb6cef18f866d4f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d3ae5c33f5a8b96a7bd78feb5fd8174ae09b098be85fdfb6cef18f866d4f34", kill_on_drop: false }`
[INFO] [stdout] e6d3ae5c33f5a8b96a7bd78feb5fd8174ae09b098be85fdfb6cef18f866d4f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2b90665c413c6a48f95e0bc87fe4b772b9947a6805b5358de3f44a12bc3b3e0b
[INFO] running `Command { std: "docker" "start" "-a" "2b90665c413c6a48f95e0bc87fe4b772b9947a6805b5358de3f44a12bc3b3e0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.7
[INFO] [stderr]  Documenting cs-trace v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.03s
[INFO] running `Command { std: "docker" "inspect" "2b90665c413c6a48f95e0bc87fe4b772b9947a6805b5358de3f44a12bc3b3e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b90665c413c6a48f95e0bc87fe4b772b9947a6805b5358de3f44a12bc3b3e0b", kill_on_drop: false }`
[INFO] [stdout] 2b90665c413c6a48f95e0bc87fe4b772b9947a6805b5358de3f44a12bc3b3e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 1dc5ba3f80fc5c1b9d2e9c736909ad241f5ade5365d52ec3cc3d51c17bf32a1b
[INFO] running `Command { std: "docker" "start" "-a" "1dc5ba3f80fc5c1b9d2e9c736909ad241f5ade5365d52ec3cc3d51c17bf32a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.7
[INFO] [stderr]  Documenting cs-trace v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.82s
[INFO] running `Command { std: "docker" "inspect" "1dc5ba3f80fc5c1b9d2e9c736909ad241f5ade5365d52ec3cc3d51c17bf32a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc5ba3f80fc5c1b9d2e9c736909ad241f5ade5365d52ec3cc3d51c17bf32a1b", kill_on_drop: false }`
[INFO] [stdout] 1dc5ba3f80fc5c1b9d2e9c736909ad241f5ade5365d52ec3cc3d51c17bf32a1b