[INFO] fetching crate deepsize 0.2.0...
[INFO] documenting deepsize-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate deepsize 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate deepsize 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 deepsize 0.2.0
[INFO] finished tweaking crates.io crate deepsize 0.2.0
[INFO] tweaked toml for crates.io crate deepsize 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate deepsize 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fe3e7a1991acc5b851012abd0cab9e6bb81aae7623b5f9ded5212affc2ca7cb0
[INFO] running `Command { std: "docker" "start" "-a" "fe3e7a1991acc5b851012abd0cab9e6bb81aae7623b5f9ded5212affc2ca7cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3e7a1991acc5b851012abd0cab9e6bb81aae7623b5f9ded5212affc2ca7cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3e7a1991acc5b851012abd0cab9e6bb81aae7623b5f9ded5212affc2ca7cb0", kill_on_drop: false }`
[INFO] [stdout] fe3e7a1991acc5b851012abd0cab9e6bb81aae7623b5f9ded5212affc2ca7cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8893ff975c5bd4871cb572cc20a4f34e6c65771fe55c00ad9ff31dcf9c914592
[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" "8893ff975c5bd4871cb572cc20a4f34e6c65771fe55c00ad9ff31dcf9c914592", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling deepsize_derive v0.1.1
[INFO] [stderr]  Documenting deepsize v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `known_size_of`
[INFO] [stdout]    --> src/lib.rs:100:89
[INFO] [stdout]     |
[INFO] [stdout] 100 |     /// children.  There is a shortcut macro for this implementation, [`known_size_of`](known_size_of),
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^ no item named `known_size_of` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `Command { std: "docker" "inspect" "8893ff975c5bd4871cb572cc20a4f34e6c65771fe55c00ad9ff31dcf9c914592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8893ff975c5bd4871cb572cc20a4f34e6c65771fe55c00ad9ff31dcf9c914592", kill_on_drop: false }`
[INFO] [stdout] 8893ff975c5bd4871cb572cc20a4f34e6c65771fe55c00ad9ff31dcf9c914592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 855e83b2371d68bb0de06e046130227febe9823d507877fa5c546b2ce371dd2e
[INFO] running `Command { std: "docker" "start" "-a" "855e83b2371d68bb0de06e046130227febe9823d507877fa5c546b2ce371dd2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling deepsize_derive v0.1.1
[INFO] [stderr]  Documenting deepsize v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `known_size_of`
[INFO] [stdout]    --> src/lib.rs:100:89
[INFO] [stdout]     |
[INFO] [stdout] 100 |     /// children.  There is a shortcut macro for this implementation, [`known_size_of`](known_size_of),
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^ no item named `known_size_of` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "855e83b2371d68bb0de06e046130227febe9823d507877fa5c546b2ce371dd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855e83b2371d68bb0de06e046130227febe9823d507877fa5c546b2ce371dd2e", kill_on_drop: false }`
[INFO] [stdout] 855e83b2371d68bb0de06e046130227febe9823d507877fa5c546b2ce371dd2e