[INFO] fetching crate barg 0.2.0...
[INFO] documenting barg-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate barg 0.2.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate barg 0.2.0 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 barg 0.2.0
[INFO] finished tweaking crates.io crate barg 0.2.0
[INFO] tweaked toml for crates.io crate barg 0.2.0 written to /workspace/builds/worker-87/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] e4ac916eaf20d752865fd849b62c70f6b4854f704bffb661dcc5ffd0fa300e10
[INFO] running `Command { std: "docker" "start" "-a" "e4ac916eaf20d752865fd849b62c70f6b4854f704bffb661dcc5ffd0fa300e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ac916eaf20d752865fd849b62c70f6b4854f704bffb661dcc5ffd0fa300e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ac916eaf20d752865fd849b62c70f6b4854f704bffb661dcc5ffd0fa300e10", kill_on_drop: false }`
[INFO] [stdout] e4ac916eaf20d752865fd849b62c70f6b4854f704bffb661dcc5ffd0fa300e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] fafe6749c0668d5276b2cf85e658175f7dac9568891a75ca0d30a285ed7930a5
[INFO] running `Command { std: "docker" "start" "-a" "fafe6749c0668d5276b2cf85e658175f7dac9568891a75ca0d30a285ed7930a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling pix v0.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking window v0.2.0
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling png_pong v0.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking footile v0.3.1
[INFO] [stderr]     Checking fonterator v0.4.2
[INFO] [stderr]     Checking rvg v0.0.2
[INFO] [stderr]    Compiling sheep v0.2.1
[INFO] [stderr]    Compiling res v0.4.1
[INFO] [stderr]    Compiling barg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting barg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.97s
[INFO] running `Command { std: "docker" "inspect" "fafe6749c0668d5276b2cf85e658175f7dac9568891a75ca0d30a285ed7930a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafe6749c0668d5276b2cf85e658175f7dac9568891a75ca0d30a285ed7930a5", kill_on_drop: false }`
[INFO] [stdout] fafe6749c0668d5276b2cf85e658175f7dac9568891a75ca0d30a285ed7930a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] e0f3f95bc1a1e4b85650270f74eda0ec829de81c224b841bea4f80c065fb4a87
[INFO] running `Command { std: "docker" "start" "-a" "e0f3f95bc1a1e4b85650270f74eda0ec829de81c224b841bea4f80c065fb4a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling pix v0.6.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking window v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking miniz_oxide v0.2.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling png_pong v0.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]    Compiling sheep v0.2.1
[INFO] [stderr]     Checking footile v0.3.1
[INFO] [stderr]    Compiling res v0.4.1
[INFO] [stderr]     Checking rvg v0.0.2
[INFO] [stderr]     Checking fonterator v0.4.2
[INFO] [stderr]    Compiling barg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting barg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.03s
[INFO] running `Command { std: "docker" "inspect" "e0f3f95bc1a1e4b85650270f74eda0ec829de81c224b841bea4f80c065fb4a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f3f95bc1a1e4b85650270f74eda0ec829de81c224b841bea4f80c065fb4a87", kill_on_drop: false }`
[INFO] [stdout] e0f3f95bc1a1e4b85650270f74eda0ec829de81c224b841bea4f80c065fb4a87