[INFO] fetching crate pro_lang_ir 3.0.0-rc2...
[INFO] documenting pro_lang_ir-3.0.0-rc2 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate pro_lang_ir 3.0.0-rc2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pro_lang_ir 3.0.0-rc2 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang_ir 3.0.0-rc2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cd46fa31a0ee8a6fe842ff8f2cf5bc3250687b3c0a47b634d03802c2a78fe0
[INFO] running `Command { std: "docker" "start" "-a" "d3cd46fa31a0ee8a6fe842ff8f2cf5bc3250687b3c0a47b634d03802c2a78fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cd46fa31a0ee8a6fe842ff8f2cf5bc3250687b3c0a47b634d03802c2a78fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cd46fa31a0ee8a6fe842ff8f2cf5bc3250687b3c0a47b634d03802c2a78fe0", kill_on_drop: false }`
[INFO] [stdout] d3cd46fa31a0ee8a6fe842ff8f2cf5bc3250687b3c0a47b634d03802c2a78fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6b470f1ee469af24fa9b4d7df12918d605a5b3d16b5a625b1e6153758c543c
[INFO] running `Command { std: "docker" "start" "-a" "8c6b470f1ee469af24fa9b4d7df12918d605a5b3d16b5a625b1e6153758c543c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]  Documenting pro_lang_ir v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "8c6b470f1ee469af24fa9b4d7df12918d605a5b3d16b5a625b1e6153758c543c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6b470f1ee469af24fa9b4d7df12918d605a5b3d16b5a625b1e6153758c543c", kill_on_drop: false }`
[INFO] [stdout] 8c6b470f1ee469af24fa9b4d7df12918d605a5b3d16b5a625b1e6153758c543c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c8aa32851833ae190d5cbe64faeb227c5181739ca8976e574cf5345bc2bd4c94
[INFO] running `Command { std: "docker" "start" "-a" "c8aa32851833ae190d5cbe64faeb227c5181739ca8976e574cf5345bc2bd4c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]  Documenting pro_lang_ir v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "c8aa32851833ae190d5cbe64faeb227c5181739ca8976e574cf5345bc2bd4c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8aa32851833ae190d5cbe64faeb227c5181739ca8976e574cf5345bc2bd4c94", kill_on_drop: false }`
[INFO] [stdout] c8aa32851833ae190d5cbe64faeb227c5181739ca8976e574cf5345bc2bd4c94