[INFO] fetching crate combination-err 0.1.2... [INFO] documenting combination-err-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate combination-err 0.1.2 into /workspace/builds/worker-100/source [INFO] validating manifest of crates.io crate combination-err 0.1.2 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 combination-err 0.1.2 [INFO] finished tweaking crates.io crate combination-err 0.1.2 [INFO] tweaked toml for crates.io crate combination-err 0.1.2 written to /workspace/builds/worker-100/source/Cargo.toml [INFO] crate crates.io crate combination-err 0.1.2 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-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 23a03e5f01a93f6a80eb1fba47b913593ea23a00b9df317408d7b0d2bac46ac1 [INFO] running `Command { std: "docker" "start" "-a" "23a03e5f01a93f6a80eb1fba47b913593ea23a00b9df317408d7b0d2bac46ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23a03e5f01a93f6a80eb1fba47b913593ea23a00b9df317408d7b0d2bac46ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a03e5f01a93f6a80eb1fba47b913593ea23a00b9df317408d7b0d2bac46ac1", kill_on_drop: false }` [INFO] [stdout] 23a03e5f01a93f6a80eb1fba47b913593ea23a00b9df317408d7b0d2bac46ac1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 1126fbef017dcf9cb0babf1a93f5de3e3e245f308a4ca4323518612caab7c520 [INFO] running `Command { std: "docker" "start" "-a" "1126fbef017dcf9cb0babf1a93f5de3e3e245f308a4ca4323518612caab7c520", 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 combination-err v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `Command { std: "docker" "inspect" "1126fbef017dcf9cb0babf1a93f5de3e3e245f308a4ca4323518612caab7c520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1126fbef017dcf9cb0babf1a93f5de3e3e245f308a4ca4323518612caab7c520", kill_on_drop: false }` [INFO] [stdout] 1126fbef017dcf9cb0babf1a93f5de3e3e245f308a4ca4323518612caab7c520 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] dce4bdd4fff61e99ed66854383bff38e79addf3d5274e87f2c1e5ff82438718f [INFO] running `Command { std: "docker" "start" "-a" "dce4bdd4fff61e99ed66854383bff38e79addf3d5274e87f2c1e5ff82438718f", 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 combination-err v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.53s [INFO] running `Command { std: "docker" "inspect" "dce4bdd4fff61e99ed66854383bff38e79addf3d5274e87f2c1e5ff82438718f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dce4bdd4fff61e99ed66854383bff38e79addf3d5274e87f2c1e5ff82438718f", kill_on_drop: false }` [INFO] [stdout] dce4bdd4fff61e99ed66854383bff38e79addf3d5274e87f2c1e5ff82438718f