[INFO] fetching crate subcmd 0.1.0...
[INFO] documenting subcmd-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate subcmd 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate subcmd 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 subcmd 0.1.0
[INFO] finished tweaking crates.io crate subcmd 0.1.0
[INFO] tweaked toml for crates.io crate subcmd 0.1.0 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] 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] 4f5af22daf2be929c83331a0aa04d5380754c2d4baf735927aeaebceb004a7c4
[INFO] running `Command { std: "docker" "start" "-a" "4f5af22daf2be929c83331a0aa04d5380754c2d4baf735927aeaebceb004a7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5af22daf2be929c83331a0aa04d5380754c2d4baf735927aeaebceb004a7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5af22daf2be929c83331a0aa04d5380754c2d4baf735927aeaebceb004a7c4", kill_on_drop: false }`
[INFO] [stdout] 4f5af22daf2be929c83331a0aa04d5380754c2d4baf735927aeaebceb004a7c4
[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] a2a2a02bc36841dea1ae6502103429e9ee997e09a9c2976dfea553e4d2a68f04
[INFO] running `Command { std: "docker" "start" "-a" "a2a2a02bc36841dea1ae6502103429e9ee997e09a9c2976dfea553e4d2a68f04", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]  Documenting subcmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]   --> src/lib.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |     /// with the program name in argv[0]
[INFO] [stdout]    |                                       ^ no item named `0` 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 2.68s
[INFO] running `Command { std: "docker" "inspect" "a2a2a02bc36841dea1ae6502103429e9ee997e09a9c2976dfea553e4d2a68f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a2a02bc36841dea1ae6502103429e9ee997e09a9c2976dfea553e4d2a68f04", kill_on_drop: false }`
[INFO] [stdout] a2a2a02bc36841dea1ae6502103429e9ee997e09a9c2976dfea553e4d2a68f04
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2331048dca6db38b5fd7789afc6e55875d292430eab03d830ff59184182eda78
[INFO] running `Command { std: "docker" "start" "-a" "2331048dca6db38b5fd7789afc6e55875d292430eab03d830ff59184182eda78", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]  Documenting subcmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]   --> src/lib.rs:87:39
[INFO] [stdout]    |
[INFO] [stdout] 87 |     /// with the program name in argv[0]
[INFO] [stdout]    |                                       ^ no item named `0` 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 3.25s
[INFO] running `Command { std: "docker" "inspect" "2331048dca6db38b5fd7789afc6e55875d292430eab03d830ff59184182eda78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2331048dca6db38b5fd7789afc6e55875d292430eab03d830ff59184182eda78", kill_on_drop: false }`
[INFO] [stdout] 2331048dca6db38b5fd7789afc6e55875d292430eab03d830ff59184182eda78