[INFO] fetching crate cargo-release 0.13.5...
[INFO] documenting cargo-release-0.13.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-release 0.13.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-release 0.13.5 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-release 0.13.5
[INFO] finished tweaking crates.io crate cargo-release 0.13.5
[INFO] tweaked toml for crates.io crate cargo-release 0.13.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cargo-release 0.13.5 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 home v0.5.1
[INFO] [stderr]   Downloaded globwalk v0.7.1
[INFO] [stderr]   Downloaded clap-cargo v0.3.0
[INFO] [stderr]   Downloaded assert_fs v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 325b36c0d8c79c744346e5912ee928cc04b9a666fe908beb28c97dd2e01373b8
[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" "325b36c0d8c79c744346e5912ee928cc04b9a666fe908beb28c97dd2e01373b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325b36c0d8c79c744346e5912ee928cc04b9a666fe908beb28c97dd2e01373b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325b36c0d8c79c744346e5912ee928cc04b9a666fe908beb28c97dd2e01373b8", kill_on_drop: false }`
[INFO] [stdout] 325b36c0d8c79c744346e5912ee928cc04b9a666fe908beb28c97dd2e01373b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c628c7a63e2b6ee0350c5667c19021493465b3de9d71db258a24b3ab9857171f
[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" "c628c7a63e2b6ee0350c5667c19021493465b3de9d71db258a24b3ab9857171f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking home v0.5.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking crates-index v0.13.3
[INFO] [stderr]     Checking clap-cargo v0.3.0
[INFO] [stderr]  Documenting cargo-release v0.13.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "c628c7a63e2b6ee0350c5667c19021493465b3de9d71db258a24b3ab9857171f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c628c7a63e2b6ee0350c5667c19021493465b3de9d71db258a24b3ab9857171f", kill_on_drop: false }`
[INFO] [stdout] c628c7a63e2b6ee0350c5667c19021493465b3de9d71db258a24b3ab9857171f