[INFO] fetching crate segul 0.16.3...
[INFO] documenting segul-0.16.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate segul 0.16.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate segul 0.16.3 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 segul 0.16.3
[INFO] finished tweaking crates.io crate segul 0.16.3
[INFO] tweaked toml for crates.io crate segul 0.16.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate segul 0.16.3 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] 814b8ea7e2073695020b2dbec9bc00055c2b5ba5b1a70fa3d10704507d50f70a
[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" "814b8ea7e2073695020b2dbec9bc00055c2b5ba5b1a70fa3d10704507d50f70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "814b8ea7e2073695020b2dbec9bc00055c2b5ba5b1a70fa3d10704507d50f70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814b8ea7e2073695020b2dbec9bc00055c2b5ba5b1a70fa3d10704507d50f70a", kill_on_drop: false }`
[INFO] [stdout] 814b8ea7e2073695020b2dbec9bc00055c2b5ba5b1a70fa3d10704507d50f70a
[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] a0e20c7455ea373b126d7ecf33b59f814614e6713ac307d2b44561038cf55d8a
[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" "a0e20c7455ea373b126d7ecf33b59f814614e6713ac307d2b44561038cf55d8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking alphanumeric-sort v1.4.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]  Documenting segul v0.16.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "a0e20c7455ea373b126d7ecf33b59f814614e6713ac307d2b44561038cf55d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e20c7455ea373b126d7ecf33b59f814614e6713ac307d2b44561038cf55d8a", kill_on_drop: false }`
[INFO] [stdout] a0e20c7455ea373b126d7ecf33b59f814614e6713ac307d2b44561038cf55d8a