[INFO] fetching crate skip-linked-list 0.1.1...
[INFO] documenting skip-linked-list-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate skip-linked-list 0.1.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate skip-linked-list 0.1.1 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 skip-linked-list 0.1.1
[INFO] finished tweaking crates.io crate skip-linked-list 0.1.1
[INFO] tweaked toml for crates.io crate skip-linked-list 0.1.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate skip-linked-list 0.1.1 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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 4dd23480b0f8b3c05cd2e1324f5231cde2d4eb1d48d6b71cd9e36da318ae7434
[INFO] running `Command { std: "docker" "start" "-a" "4dd23480b0f8b3c05cd2e1324f5231cde2d4eb1d48d6b71cd9e36da318ae7434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd23480b0f8b3c05cd2e1324f5231cde2d4eb1d48d6b71cd9e36da318ae7434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd23480b0f8b3c05cd2e1324f5231cde2d4eb1d48d6b71cd9e36da318ae7434", kill_on_drop: false }`
[INFO] [stdout] 4dd23480b0f8b3c05cd2e1324f5231cde2d4eb1d48d6b71cd9e36da318ae7434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 2d0910956c92fb053638a483a76665dfca8b1edcb82c04f9b9e7444b5d976285
[INFO] running `Command { std: "docker" "start" "-a" "2d0910956c92fb053638a483a76665dfca8b1edcb82c04f9b9e7444b5d976285", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting skip-linked-list v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "2d0910956c92fb053638a483a76665dfca8b1edcb82c04f9b9e7444b5d976285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0910956c92fb053638a483a76665dfca8b1edcb82c04f9b9e7444b5d976285", kill_on_drop: false }`
[INFO] [stdout] 2d0910956c92fb053638a483a76665dfca8b1edcb82c04f9b9e7444b5d976285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 786dc15032b59833791f217e62e61ce950f5ce2b27dc280bfb1b897137a37c6d
[INFO] running `Command { std: "docker" "start" "-a" "786dc15032b59833791f217e62e61ce950f5ce2b27dc280bfb1b897137a37c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting skip-linked-list v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "786dc15032b59833791f217e62e61ce950f5ce2b27dc280bfb1b897137a37c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786dc15032b59833791f217e62e61ce950f5ce2b27dc280bfb1b897137a37c6d", kill_on_drop: false }`
[INFO] [stdout] 786dc15032b59833791f217e62e61ce950f5ce2b27dc280bfb1b897137a37c6d