[INFO] fetching crate skidscan 2.0.0...
[INFO] documenting skidscan-2.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate skidscan 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate skidscan 2.0.0 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 skidscan 2.0.0
[INFO] finished tweaking crates.io crate skidscan 2.0.0
[INFO] tweaked toml for crates.io crate skidscan 2.0.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 85a2289bd22b9c1b1fa1cfd328285c9c93afe85eed80ce327f5672d41a7d050d
[INFO] running `Command { std: "docker" "start" "-a" "85a2289bd22b9c1b1fa1cfd328285c9c93afe85eed80ce327f5672d41a7d050d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a2289bd22b9c1b1fa1cfd328285c9c93afe85eed80ce327f5672d41a7d050d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a2289bd22b9c1b1fa1cfd328285c9c93afe85eed80ce327f5672d41a7d050d", kill_on_drop: false }`
[INFO] [stdout] 85a2289bd22b9c1b1fa1cfd328285c9c93afe85eed80ce327f5672d41a7d050d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1fa450a4408007b6ae28e5a89a2fd8f04b67c25cc362dc36798c7313c540f7ed
[INFO] running `Command { std: "docker" "start" "-a" "1fa450a4408007b6ae28e5a89a2fd8f04b67c25cc362dc36798c7313c540f7ed", 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 v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling skidscan-macros v0.1.2
[INFO] [stderr]  Documenting skidscan v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "1fa450a4408007b6ae28e5a89a2fd8f04b67c25cc362dc36798c7313c540f7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa450a4408007b6ae28e5a89a2fd8f04b67c25cc362dc36798c7313c540f7ed", kill_on_drop: false }`
[INFO] [stdout] 1fa450a4408007b6ae28e5a89a2fd8f04b67c25cc362dc36798c7313c540f7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 07d5ec3e0f150d02ec6c223e73cd96d6dcf3749b909ee65d397fbd4fe423faaf
[INFO] running `Command { std: "docker" "start" "-a" "07d5ec3e0f150d02ec6c223e73cd96d6dcf3749b909ee65d397fbd4fe423faaf", 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 v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling skidscan-macros v0.1.2
[INFO] [stderr]  Documenting skidscan v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "07d5ec3e0f150d02ec6c223e73cd96d6dcf3749b909ee65d397fbd4fe423faaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d5ec3e0f150d02ec6c223e73cd96d6dcf3749b909ee65d397fbd4fe423faaf", kill_on_drop: false }`
[INFO] [stdout] 07d5ec3e0f150d02ec6c223e73cd96d6dcf3749b909ee65d397fbd4fe423faaf