[INFO] fetching crate i54_ 0.2.0...
[INFO] documenting i54_-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate i54_ 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate i54_ 0.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i54_ 0.2.0
[INFO] finished tweaking crates.io crate i54_ 0.2.0
[INFO] tweaked toml for crates.io crate i54_ 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphql-parser v0.3.0
[INFO] [stderr]   Downloaded bson v1.2.4
[INFO] [stderr]   Downloaded ux_serde v0.2.0
[INFO] [stderr]   Downloaded futures-enum v0.1.17
[INFO] [stderr]   Downloaded juniper_codegen v0.15.9
[INFO] [stderr]   Downloaded juniper v0.15.9
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8d193f5f70535db39a6bece552a8679073ae1cdc73a440c41bd1eb9dd613cf
[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" "8f8d193f5f70535db39a6bece552a8679073ae1cdc73a440c41bd1eb9dd613cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8d193f5f70535db39a6bece552a8679073ae1cdc73a440c41bd1eb9dd613cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8d193f5f70535db39a6bece552a8679073ae1cdc73a440c41bd1eb9dd613cf", kill_on_drop: false }`
[INFO] [stdout] 8f8d193f5f70535db39a6bece552a8679073ae1cdc73a440c41bd1eb9dd613cf
[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" "+1.61.0" "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] 1ef1b58d962501f0ae8be1a8d5105c660fb6bc6a48ffb211fb7e8f989d4da5e0
[INFO] running `Command { std: "docker" "start" "-a" "1ef1b58d962501f0ae8be1a8d5105c660fb6bc6a48ffb211fb7e8f989d4da5e0", 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 serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking ux_serde v0.2.0
[INFO] [stderr]  Documenting i54_ v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.01s
[INFO] running `Command { std: "docker" "inspect" "1ef1b58d962501f0ae8be1a8d5105c660fb6bc6a48ffb211fb7e8f989d4da5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef1b58d962501f0ae8be1a8d5105c660fb6bc6a48ffb211fb7e8f989d4da5e0", kill_on_drop: false }`
[INFO] [stdout] 1ef1b58d962501f0ae8be1a8d5105c660fb6bc6a48ffb211fb7e8f989d4da5e0
[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" "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" "+1.61.0" "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] d3e89f94ad2fcfaa4e3bf64c98b14ab438cc54b1f0a2fac2199c59b6ea9a6563
[INFO] running `Command { std: "docker" "start" "-a" "d3e89f94ad2fcfaa4e3bf64c98b14ab438cc54b1f0a2fac2199c59b6ea9a6563", 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 serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking ux_serde v0.2.0
[INFO] [stderr]  Documenting i54_ v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.21s
[INFO] running `Command { std: "docker" "inspect" "d3e89f94ad2fcfaa4e3bf64c98b14ab438cc54b1f0a2fac2199c59b6ea9a6563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e89f94ad2fcfaa4e3bf64c98b14ab438cc54b1f0a2fac2199c59b6ea9a6563", kill_on_drop: false }`
[INFO] [stdout] d3e89f94ad2fcfaa4e3bf64c98b14ab438cc54b1f0a2fac2199c59b6ea9a6563