[INFO] fetching crate completion 0.2.1...
[INFO] documenting completion-0.2.1 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate completion 0.2.1 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate completion 0.2.1 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 completion 0.2.1
[INFO] finished tweaking crates.io crate completion 0.2.1
[INFO] tweaked toml for crates.io crate completion 0.2.1 written to /workspace/builds/worker-97/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded completion-io v0.2.0
[INFO] [stderr]   Downloaded completion-macro v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 266ab512fdd1f326262caacc033726d99c1099c2a4a04d2d4aad2c370a6c386f
[INFO] running `Command { std: "docker" "start" "-a" "266ab512fdd1f326262caacc033726d99c1099c2a4a04d2d4aad2c370a6c386f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266ab512fdd1f326262caacc033726d99c1099c2a4a04d2d4aad2c370a6c386f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266ab512fdd1f326262caacc033726d99c1099c2a4a04d2d4aad2c370a6c386f", kill_on_drop: false }`
[INFO] [stdout] 266ab512fdd1f326262caacc033726d99c1099c2a4a04d2d4aad2c370a6c386f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 7f59040a79efe007cca3c0ce5767e97e9468401befa37a2457b61e6381c82bf2
[INFO] running `Command { std: "docker" "start" "-a" "7f59040a79efe007cca3c0ce5767e97e9468401befa37a2457b61e6381c82bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking completion-core v0.2.0
[INFO] [stderr]     Checking completion-io v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling completion-macro v0.2.0
[INFO] [stderr]  Documenting completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "7f59040a79efe007cca3c0ce5767e97e9468401befa37a2457b61e6381c82bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f59040a79efe007cca3c0ce5767e97e9468401befa37a2457b61e6381c82bf2", kill_on_drop: false }`
[INFO] [stdout] 7f59040a79efe007cca3c0ce5767e97e9468401befa37a2457b61e6381c82bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] c2b455636a9fa6bc6d00a5aab954f7796acc1b5ae05a667012b64c73a7f89d4e
[INFO] running `Command { std: "docker" "start" "-a" "c2b455636a9fa6bc6d00a5aab954f7796acc1b5ae05a667012b64c73a7f89d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking completion-core v0.2.0
[INFO] [stderr]     Checking completion-io v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling completion-macro v0.2.0
[INFO] [stderr]  Documenting completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "c2b455636a9fa6bc6d00a5aab954f7796acc1b5ae05a667012b64c73a7f89d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b455636a9fa6bc6d00a5aab954f7796acc1b5ae05a667012b64c73a7f89d4e", kill_on_drop: false }`
[INFO] [stdout] c2b455636a9fa6bc6d00a5aab954f7796acc1b5ae05a667012b64c73a7f89d4e