[INFO] fetching crate mlem 0.1.0...
[INFO] documenting mlem-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mlem 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mlem 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 mlem 0.1.0
[INFO] finished tweaking crates.io crate mlem 0.1.0
[INFO] tweaked toml for crates.io crate mlem 0.1.0 written to /workspace/builds/worker-5/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] 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1548cb6507a19c09f0c3167afc18d904b18ec35789922353b6249910b50c318c
[INFO] running `Command { std: "docker" "start" "-a" "1548cb6507a19c09f0c3167afc18d904b18ec35789922353b6249910b50c318c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1548cb6507a19c09f0c3167afc18d904b18ec35789922353b6249910b50c318c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1548cb6507a19c09f0c3167afc18d904b18ec35789922353b6249910b50c318c", kill_on_drop: false }`
[INFO] [stdout] 1548cb6507a19c09f0c3167afc18d904b18ec35789922353b6249910b50c318c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a145731fb9567cfb7277769d7f9ad94ef0c95a528555bdeae0a3128a76e43510
[INFO] running `Command { std: "docker" "start" "-a" "a145731fb9567cfb7277769d7f9ad94ef0c95a528555bdeae0a3128a76e43510", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking serde_cbor v0.5.2
[INFO] [stderr]  Documenting mlem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "a145731fb9567cfb7277769d7f9ad94ef0c95a528555bdeae0a3128a76e43510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a145731fb9567cfb7277769d7f9ad94ef0c95a528555bdeae0a3128a76e43510", kill_on_drop: false }`
[INFO] [stdout] a145731fb9567cfb7277769d7f9ad94ef0c95a528555bdeae0a3128a76e43510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2199fec6202f16ebdd0b90a34f892235386cb4dd8ede8dbd5b02f3d9f06ef04c
[INFO] running `Command { std: "docker" "start" "-a" "2199fec6202f16ebdd0b90a34f892235386cb4dd8ede8dbd5b02f3d9f06ef04c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking serde_cbor v0.5.2
[INFO] [stderr]  Documenting mlem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "2199fec6202f16ebdd0b90a34f892235386cb4dd8ede8dbd5b02f3d9f06ef04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2199fec6202f16ebdd0b90a34f892235386cb4dd8ede8dbd5b02f3d9f06ef04c", kill_on_drop: false }`
[INFO] [stdout] 2199fec6202f16ebdd0b90a34f892235386cb4dd8ede8dbd5b02f3d9f06ef04c