[INFO] fetching crate optimization_engine 0.7.4...
[INFO] documenting optimization_engine-0.7.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate optimization_engine 0.7.4 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate optimization_engine 0.7.4 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 optimization_engine 0.7.4
[INFO] finished tweaking crates.io crate optimization_engine 0.7.4
[INFO] tweaked toml for crates.io crate optimization_engine 0.7.4 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate optimization_engine 0.7.4 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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 441a17622d7c68baf6c329530a5c159aa164d1ace8d6cba76d41cf4413f84096
[INFO] running `Command { std: "docker" "start" "-a" "441a17622d7c68baf6c329530a5c159aa164d1ace8d6cba76d41cf4413f84096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441a17622d7c68baf6c329530a5c159aa164d1ace8d6cba76d41cf4413f84096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441a17622d7c68baf6c329530a5c159aa164d1ace8d6cba76d41cf4413f84096", kill_on_drop: false }`
[INFO] [stdout] 441a17622d7c68baf6c329530a5c159aa164d1ace8d6cba76d41cf4413f84096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] a47c9bbd09d425584853c0592655d12800a806d38cf28416a4f6d7de2a4d2b58
[INFO] running `Command { std: "docker" "start" "-a" "a47c9bbd09d425584853c0592655d12800a806d38cf28416a4f6d7de2a4d2b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]  Documenting optimization_engine v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "a47c9bbd09d425584853c0592655d12800a806d38cf28416a4f6d7de2a4d2b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47c9bbd09d425584853c0592655d12800a806d38cf28416a4f6d7de2a4d2b58", kill_on_drop: false }`
[INFO] [stdout] a47c9bbd09d425584853c0592655d12800a806d38cf28416a4f6d7de2a4d2b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "--" "--html-in-header" "katex-header.html" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 83b261a2d28bc82bfc1778240ede099c304aa48256644c9b0124c500fd88a984
[INFO] running `Command { std: "docker" "start" "-a" "83b261a2d28bc82bfc1778240ede099c304aa48256644c9b0124c500fd88a984", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]  Documenting optimization_engine v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "83b261a2d28bc82bfc1778240ede099c304aa48256644c9b0124c500fd88a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b261a2d28bc82bfc1778240ede099c304aa48256644c9b0124c500fd88a984", kill_on_drop: false }`
[INFO] [stdout] 83b261a2d28bc82bfc1778240ede099c304aa48256644c9b0124c500fd88a984