[INFO] fetching crate cargo-skyline 2.1.0...
[INFO] documenting cargo-skyline-2.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-skyline 2.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate cargo-skyline 2.1.0 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 cargo-skyline 2.1.0
[INFO] finished tweaking crates.io crate cargo-skyline 2.1.0
[INFO] tweaked toml for crates.io crate cargo-skyline 2.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate cargo-skyline 2.1.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 08a887d141da14524367fea875429c81eec64843f8bc011ce3dad3e52e3eed9c
[INFO] running `Command { std: "docker" "start" "-a" "08a887d141da14524367fea875429c81eec64843f8bc011ce3dad3e52e3eed9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a887d141da14524367fea875429c81eec64843f8bc011ce3dad3e52e3eed9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a887d141da14524367fea875429c81eec64843f8bc011ce3dad3e52e3eed9c", kill_on_drop: false }`
[INFO] [stdout] 08a887d141da14524367fea875429c81eec64843f8bc011ce3dad3e52e3eed9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 921bfa14acaf894bd3e6a9b3fa8829658934ab815e283160e6558e5e7b6e9837
[INFO] running `Command { std: "docker" "start" "-a" "921bfa14acaf894bd3e6a9b3fa8829658934ab815e283160e6558e5e7b6e9837", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.50
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[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.15
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[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
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[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]    Compiling cargo-skyline v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking number_prefix v0.4.0
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[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.2.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]    Compiling quote v1.0.3
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[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
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[INFO] [stderr]    Compiling tempdir v0.3.7
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[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.14.1
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[INFO] [stderr]    Compiling backtrace v0.3.46
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[INFO] [stderr]     Checking indicatif v0.16.0
[INFO] [stderr]     Checking tempfile v3.1.0
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[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
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[INFO] [stderr]    Compiling structopt-derive v0.4.6
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[INFO] [stderr]     Checking attohttpc v0.13.0
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking octocrab v0.9.0
[INFO] [stderr]     Checking linkle v0.2.10
[INFO] [stderr]  Documenting cargo-skyline v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.36s
[INFO] running `Command { std: "docker" "inspect" "921bfa14acaf894bd3e6a9b3fa8829658934ab815e283160e6558e5e7b6e9837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921bfa14acaf894bd3e6a9b3fa8829658934ab815e283160e6558e5e7b6e9837", kill_on_drop: false }`
[INFO] [stdout] 921bfa14acaf894bd3e6a9b3fa8829658934ab815e283160e6558e5e7b6e9837
