[INFO] cloning repository https://github.com/daniel-samson/cargo-leap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-samson/cargo-leap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fcargo-leap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fcargo-leap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5b4162360267863c383d4d4b1b7e8f75047721c
[INFO] documenting daniel-samson/cargo-leap against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fcargo-leap" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel-samson/cargo-leap 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 git repo https://github.com/daniel-samson/cargo-leap
[INFO] finished tweaking git repo https://github.com/daniel-samson/cargo-leap
[INFO] tweaked toml for git repo https://github.com/daniel-samson/cargo-leap written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel-samson/cargo-leap 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 kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded tar v0.4.29
[INFO] [stderr]   Downloaded curl v0.4.29
[INFO] [stderr]   Downloaded lzma-rs v0.1.3
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded cache-padded v1.1.0
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded fastrand v1.2.4
[INFO] [stderr]   Downloaded crates_io_api v0.6.0
[INFO] [stderr]   Downloaded base64 v0.12.2
[INFO] [stderr]   Downloaded curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]   Downloaded archiver-rs v0.5.0
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.0
[INFO] [stderr]   Downloaded blocking v0.4.6
[INFO] [stderr]   Downloaded smol v0.1.17
[INFO] [stderr]   Downloaded syn v1.0.32
[INFO] [stderr]   Downloaded parking v1.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.113
[INFO] [stderr]   Downloaded serde v1.0.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 998d37daa2e3f9b33ceca587e402391b704c964fa081381683f6853e396be84e
[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" "998d37daa2e3f9b33ceca587e402391b704c964fa081381683f6853e396be84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998d37daa2e3f9b33ceca587e402391b704c964fa081381683f6853e396be84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998d37daa2e3f9b33ceca587e402391b704c964fa081381683f6853e396be84e", kill_on_drop: false }`
[INFO] [stdout] 998d37daa2e3f9b33ceca587e402391b704c964fa081381683f6853e396be84e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c5d2c18be098ca4135069905f4b028388235308970e3e2d266b7c96f400305c0
[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" "c5d2c18be098ca4135069905f4b028388235308970e3e2d266b7c96f400305c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]     Checking parking v1.0.1
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking lzma-rs v0.1.3
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking archiver-rs v0.5.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.17
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking crates_io_api v0.6.0
[INFO] [stderr]  Documenting cargo-leap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "c5d2c18be098ca4135069905f4b028388235308970e3e2d266b7c96f400305c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d2c18be098ca4135069905f4b028388235308970e3e2d266b7c96f400305c0", kill_on_drop: false }`
[INFO] [stdout] c5d2c18be098ca4135069905f4b028388235308970e3e2d266b7c96f400305c0