[INFO] fetching crate hanger 0.1.0... [INFO] documenting hanger-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate hanger 0.1.0 into /workspace/builds/worker-69/source [INFO] validating manifest of crates.io crate hanger 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 hanger 0.1.0 [INFO] finished tweaking crates.io crate hanger 0.1.0 [INFO] tweaked toml for crates.io crate hanger 0.1.0 written to /workspace/builds/worker-69/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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 4769f70a21730df974ab6bc42c83ddc529e3f78e4144c6c9ed02458611c9f318 [INFO] running `Command { std: "docker" "start" "-a" "4769f70a21730df974ab6bc42c83ddc529e3f78e4144c6c9ed02458611c9f318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4769f70a21730df974ab6bc42c83ddc529e3f78e4144c6c9ed02458611c9f318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4769f70a21730df974ab6bc42c83ddc529e3f78e4144c6c9ed02458611c9f318", kill_on_drop: false }` [INFO] [stdout] 4769f70a21730df974ab6bc42c83ddc529e3f78e4144c6c9ed02458611c9f318 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 9126ab69e0cd0e7cabeba87a0ee7b82175ee4999e615cda7a4c585829c2a06e3 [INFO] running `Command { std: "docker" "start" "-a" "9126ab69e0cd0e7cabeba87a0ee7b82175ee4999e615cda7a4c585829c2a06e3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Documenting hanger v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.08s [INFO] running `Command { std: "docker" "inspect" "9126ab69e0cd0e7cabeba87a0ee7b82175ee4999e615cda7a4c585829c2a06e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9126ab69e0cd0e7cabeba87a0ee7b82175ee4999e615cda7a4c585829c2a06e3", kill_on_drop: false }` [INFO] [stdout] 9126ab69e0cd0e7cabeba87a0ee7b82175ee4999e615cda7a4c585829c2a06e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] b3553f88cf20591821c74ff58363185bf9a7d7343f7738d6b9019a3f4e79d98e [INFO] running `Command { std: "docker" "start" "-a" "b3553f88cf20591821c74ff58363185bf9a7d7343f7738d6b9019a3f4e79d98e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Documenting hanger v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.18s [INFO] running `Command { std: "docker" "inspect" "b3553f88cf20591821c74ff58363185bf9a7d7343f7738d6b9019a3f4e79d98e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3553f88cf20591821c74ff58363185bf9a7d7343f7738d6b9019a3f4e79d98e", kill_on_drop: false }` [INFO] [stdout] b3553f88cf20591821c74ff58363185bf9a7d7343f7738d6b9019a3f4e79d98e