[INFO] fetching crate mithrust 0.0.1...
[INFO] documenting mithrust-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mithrust 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mithrust 0.0.1 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 mithrust 0.0.1
[INFO] finished tweaking crates.io crate mithrust 0.0.1
[INFO] tweaked toml for crates.io crate mithrust 0.0.1 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1728d7ee7288fd3ed11abcf1d6086873b7d387390802124c6b6b8804da285bc4
[INFO] running `Command { std: "docker" "start" "-a" "1728d7ee7288fd3ed11abcf1d6086873b7d387390802124c6b6b8804da285bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1728d7ee7288fd3ed11abcf1d6086873b7d387390802124c6b6b8804da285bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1728d7ee7288fd3ed11abcf1d6086873b7d387390802124c6b6b8804da285bc4", kill_on_drop: false }`
[INFO] [stdout] 1728d7ee7288fd3ed11abcf1d6086873b7d387390802124c6b6b8804da285bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2a94f44edc2e6520106be792941fb37ffd6bcf932e18833d4eb84c4a382f6166
[INFO] running `Command { std: "docker" "start" "-a" "2a94f44edc2e6520106be792941fb37ffd6bcf932e18833d4eb84c4a382f6166", kill_on_drop: false }`
[INFO] [stderr]  Documenting mithrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "2a94f44edc2e6520106be792941fb37ffd6bcf932e18833d4eb84c4a382f6166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a94f44edc2e6520106be792941fb37ffd6bcf932e18833d4eb84c4a382f6166", kill_on_drop: false }`
[INFO] [stdout] 2a94f44edc2e6520106be792941fb37ffd6bcf932e18833d4eb84c4a382f6166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 03af92ab789e56d02e6c7fa32e41f1633f711a0c2dfd6cacf9e65dac447b5e6a
[INFO] running `Command { std: "docker" "start" "-a" "03af92ab789e56d02e6c7fa32e41f1633f711a0c2dfd6cacf9e65dac447b5e6a", kill_on_drop: false }`
[INFO] [stderr]  Documenting mithrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "03af92ab789e56d02e6c7fa32e41f1633f711a0c2dfd6cacf9e65dac447b5e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03af92ab789e56d02e6c7fa32e41f1633f711a0c2dfd6cacf9e65dac447b5e6a", kill_on_drop: false }`
[INFO] [stdout] 03af92ab789e56d02e6c7fa32e41f1633f711a0c2dfd6cacf9e65dac447b5e6a