[INFO] fetching crate gitcube 0.1.0...
[INFO] documenting gitcube-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate gitcube 0.1.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate gitcube 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitcube 0.1.0
[INFO] finished tweaking crates.io crate gitcube 0.1.0
[INFO] tweaked toml for crates.io crate gitcube 0.1.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dotenv v0.9.0
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41b40de57556eddd685bd5a6dd7cce8e4995d395da2597207b320cd5f53d5018
[INFO] running `Command { std: "docker" "start" "-a" "41b40de57556eddd685bd5a6dd7cce8e4995d395da2597207b320cd5f53d5018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b40de57556eddd685bd5a6dd7cce8e4995d395da2597207b320cd5f53d5018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b40de57556eddd685bd5a6dd7cce8e4995d395da2597207b320cd5f53d5018", kill_on_drop: false }`
[INFO] [stdout] 41b40de57556eddd685bd5a6dd7cce8e4995d395da2597207b320cd5f53d5018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16d5511c56856a7c1bed36c2790d7c867c8ae58f61f35cee01af2a6ea3a1e76
[INFO] running `Command { std: "docker" "start" "-a" "b16d5511c56856a7c1bed36c2790d7c867c8ae58f61f35cee01af2a6ea3a1e76", 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] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking match_cfg v0.1.0
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[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking encoding v0.2.33
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[INFO] [stderr]    Compiling pest_meta v2.1.3
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[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking mio-uds v0.6.8
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[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking twox-hash v1.6.1
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[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
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[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking mysql_common v0.12.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking mysql v14.2.0
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]  Documenting gitcube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.52s
[INFO] running `Command { std: "docker" "inspect" "b16d5511c56856a7c1bed36c2790d7c867c8ae58f61f35cee01af2a6ea3a1e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16d5511c56856a7c1bed36c2790d7c867c8ae58f61f35cee01af2a6ea3a1e76", kill_on_drop: false }`
[INFO] [stdout] b16d5511c56856a7c1bed36c2790d7c867c8ae58f61f35cee01af2a6ea3a1e76