[INFO] fetching crate hydroconf 0.2.0...
[INFO] documenting hydroconf-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate hydroconf 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hydroconf 0.2.0 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 hydroconf 0.2.0
[INFO] finished tweaking crates.io crate hydroconf 0.2.0
[INFO] tweaked toml for crates.io crate hydroconf 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 39b232419c31917b03ef7e151738f364426a7c63cd04f4c49e55ca14bb622516
[INFO] running `Command { std: "docker" "start" "-a" "39b232419c31917b03ef7e151738f364426a7c63cd04f4c49e55ca14bb622516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b232419c31917b03ef7e151738f364426a7c63cd04f4c49e55ca14bb622516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b232419c31917b03ef7e151738f364426a7c63cd04f4c49e55ca14bb622516", kill_on_drop: false }`
[INFO] [stdout] 39b232419c31917b03ef7e151738f364426a7c63cd04f4c49e55ca14bb622516
[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] 0cb3ba04503871b6d2e9668a5d0f6cf80efe0cc15e1960bce1a54bfbb96f7c42
[INFO] running `Command { std: "docker" "start" "-a" "0cb3ba04503871b6d2e9668a5d0f6cf80efe0cc15e1960bce1a54bfbb96f7c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking dotenv-parser v0.1.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]  Documenting hydroconf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "0cb3ba04503871b6d2e9668a5d0f6cf80efe0cc15e1960bce1a54bfbb96f7c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb3ba04503871b6d2e9668a5d0f6cf80efe0cc15e1960bce1a54bfbb96f7c42", kill_on_drop: false }`
[INFO] [stdout] 0cb3ba04503871b6d2e9668a5d0f6cf80efe0cc15e1960bce1a54bfbb96f7c42
[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] 9c77ed1320e705c13f8774b27c7eb0e5cbe1a23276e6a505b82cdaf42f6f84d2
[INFO] running `Command { std: "docker" "start" "-a" "9c77ed1320e705c13f8774b27c7eb0e5cbe1a23276e6a505b82cdaf42f6f84d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking dotenv-parser v0.1.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]  Documenting hydroconf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "9c77ed1320e705c13f8774b27c7eb0e5cbe1a23276e6a505b82cdaf42f6f84d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c77ed1320e705c13f8774b27c7eb0e5cbe1a23276e6a505b82cdaf42f6f84d2", kill_on_drop: false }`
[INFO] [stdout] 9c77ed1320e705c13f8774b27c7eb0e5cbe1a23276e6a505b82cdaf42f6f84d2