[INFO] fetching crate cargo-deb 1.28.0...
[INFO] documenting cargo-deb-1.28.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-deb 1.28.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-deb 1.28.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-deb 1.28.0
[INFO] finished tweaking crates.io crate cargo-deb 1.28.0
[INFO] tweaked toml for crates.io crate cargo-deb 1.28.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-deb 1.28.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded ar v0.8.0
[INFO] [stderr]   Downloaded cargo_toml v0.8.1
[INFO] [stderr]   Downloaded lzma-sys v0.1.16
[INFO] [stderr]   Downloaded mockall_derive v0.7.2
[INFO] [stderr]   Downloaded mockall v0.7.2
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded zopfli v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20c663481a2046f2bf76cb79ed55e4d5dc0d82f1b9ed21238c8f5c5b7db4ad23
[INFO] running `Command { std: "docker" "start" "-a" "20c663481a2046f2bf76cb79ed55e4d5dc0d82f1b9ed21238c8f5c5b7db4ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c663481a2046f2bf76cb79ed55e4d5dc0d82f1b9ed21238c8f5c5b7db4ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c663481a2046f2bf76cb79ed55e4d5dc0d82f1b9ed21238c8f5c5b7db4ad23", kill_on_drop: false }`
[INFO] [stdout] 20c663481a2046f2bf76cb79ed55e4d5dc0d82f1b9ed21238c8f5c5b7db4ad23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39550b72cbc357bf36de51d6c2294f65dc4c28e84a12b7796e8df3eb31cbaece
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39550b72cbc357bf36de51d6c2294f65dc4c28e84a12b7796e8df3eb31cbaece", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]    Compiling cargo-deb v1.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking cargo_toml v0.8.1
[INFO] [stderr]  Documenting cargo-deb v1.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "39550b72cbc357bf36de51d6c2294f65dc4c28e84a12b7796e8df3eb31cbaece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39550b72cbc357bf36de51d6c2294f65dc4c28e84a12b7796e8df3eb31cbaece", kill_on_drop: false }`
[INFO] [stdout] 39550b72cbc357bf36de51d6c2294f65dc4c28e84a12b7796e8df3eb31cbaece