[INFO] fetching crate brr 0.0.21...
[INFO] documenting brr-0.0.21 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate brr 0.0.21 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate brr 0.0.21 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brr 0.0.21
[INFO] finished tweaking crates.io crate brr 0.0.21
[INFO] tweaked toml for crates.io crate brr 0.0.21 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate brr 0.0.21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
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[INFO] [stderr]   Downloaded tungstenite v0.14.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bfd27fda59f0d676beb1d520ee08732d0906f49edc015b32af151faa147234a
[INFO] running `Command { std: "docker" "start" "-a" "7bfd27fda59f0d676beb1d520ee08732d0906f49edc015b32af151faa147234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bfd27fda59f0d676beb1d520ee08732d0906f49edc015b32af151faa147234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfd27fda59f0d676beb1d520ee08732d0906f49edc015b32af151faa147234a", kill_on_drop: false }`
[INFO] [stdout] 7bfd27fda59f0d676beb1d520ee08732d0906f49edc015b32af151faa147234a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d68a099361b87020c419aa3ee4ff2d50e7ea21a1b3625cc81a4ee07cc72d38
[INFO] running `Command { std: "docker" "start" "-a" "b1d68a099361b87020c419aa3ee4ff2d50e7ea21a1b3625cc81a4ee07cc72d38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling syn v1.0.75
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]  Documenting brr v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.89s
[INFO] running `Command { std: "docker" "inspect" "b1d68a099361b87020c419aa3ee4ff2d50e7ea21a1b3625cc81a4ee07cc72d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d68a099361b87020c419aa3ee4ff2d50e7ea21a1b3625cc81a4ee07cc72d38", kill_on_drop: false }`
[INFO] [stdout] b1d68a099361b87020c419aa3ee4ff2d50e7ea21a1b3625cc81a4ee07cc72d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e6ae443d001a70d36479ad77b5260da82c5ef00810540bf46918df32eff560cb
[INFO] running `Command { std: "docker" "start" "-a" "e6ae443d001a70d36479ad77b5260da82c5ef00810540bf46918df32eff560cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling syn v1.0.75
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling pkg-config v0.3.19
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[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] running `Command { std: "docker" "inspect" "e6ae443d001a70d36479ad77b5260da82c5ef00810540bf46918df32eff560cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ae443d001a70d36479ad77b5260da82c5ef00810540bf46918df32eff560cb", kill_on_drop: false }`
[INFO] [stdout] e6ae443d001a70d36479ad77b5260da82c5ef00810540bf46918df32eff560cb