[INFO] fetching crate async-session-r2d2 0.1.0...
[INFO] documenting async-session-r2d2-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate async-session-r2d2 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-session-r2d2 0.1.0 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 async-session-r2d2 0.1.0
[INFO] finished tweaking crates.io crate async-session-r2d2 0.1.0
[INFO] tweaked toml for crates.io crate async-session-r2d2 0.1.0 written to /workspace/builds/worker-4/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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3141a10d3fbeb1ff7c962ad4731268e4560999dd98d06cb1849066a6915901f3
[INFO] running `Command { std: "docker" "start" "-a" "3141a10d3fbeb1ff7c962ad4731268e4560999dd98d06cb1849066a6915901f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3141a10d3fbeb1ff7c962ad4731268e4560999dd98d06cb1849066a6915901f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3141a10d3fbeb1ff7c962ad4731268e4560999dd98d06cb1849066a6915901f3", kill_on_drop: false }`
[INFO] [stdout] 3141a10d3fbeb1ff7c962ad4731268e4560999dd98d06cb1849066a6915901f3
[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] ab034ce52fde534e749d644e8e7a02d47d0c45cb4dfd0059cf8e4827adebc2f1
[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" "ab034ce52fde534e749d644e8e7a02d47d0c45cb4dfd0059cf8e4827adebc2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking async-session v3.0.0
[INFO] [stderr]  Documenting async-session-r2d2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "ab034ce52fde534e749d644e8e7a02d47d0c45cb4dfd0059cf8e4827adebc2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab034ce52fde534e749d644e8e7a02d47d0c45cb4dfd0059cf8e4827adebc2f1", kill_on_drop: false }`
[INFO] [stdout] ab034ce52fde534e749d644e8e7a02d47d0c45cb4dfd0059cf8e4827adebc2f1
[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" "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] [stdout] 0c1bd5dbdff0bac24e3b39f9521e74101709b13dbd59664072dfe0c714085722
[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" "0c1bd5dbdff0bac24e3b39f9521e74101709b13dbd59664072dfe0c714085722", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking async-session v3.0.0
[INFO] [stderr]  Documenting async-session-r2d2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "0c1bd5dbdff0bac24e3b39f9521e74101709b13dbd59664072dfe0c714085722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1bd5dbdff0bac24e3b39f9521e74101709b13dbd59664072dfe0c714085722", kill_on_drop: false }`
[INFO] [stdout] 0c1bd5dbdff0bac24e3b39f9521e74101709b13dbd59664072dfe0c714085722