[INFO] cloning repository https://github.com/Mathspy/unsafe-now
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mathspy/unsafe-now" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathspy%2Funsafe-now", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathspy%2Funsafe-now'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f94bdda5780c5049c136d39e10139efbdbdde88
[INFO] documenting Mathspy/unsafe-now 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%2FMathspy%2Funsafe-now" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mathspy/unsafe-now 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/Mathspy/unsafe-now
[INFO] finished tweaking git repo https://github.com/Mathspy/unsafe-now
[INFO] tweaked toml for git repo https://github.com/Mathspy/unsafe-now written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Mathspy/unsafe-now 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 cc v1.0.31
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded openssl-sys v0.9.42
[INFO] [stderr]   Downloaded geiger v0.3.1
[INFO] [stderr]   Downloaded libgit2-sys v0.8.0
[INFO] [stderr]   Downloaded git2 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 34ef8fd929b603f772182df0bbe88da033cc072f7dd9392c7927deb8afe20671
[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" "34ef8fd929b603f772182df0bbe88da033cc072f7dd9392c7927deb8afe20671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ef8fd929b603f772182df0bbe88da033cc072f7dd9392c7927deb8afe20671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ef8fd929b603f772182df0bbe88da033cc072f7dd9392c7927deb8afe20671", kill_on_drop: false }`
[INFO] [stdout] 34ef8fd929b603f772182df0bbe88da033cc072f7dd9392c7927deb8afe20671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] caf8c3821fcb3b83234e14c03bbd3298302397f56922724141bd886e8b4ea738
[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" "caf8c3821fcb3b83234e14c03bbd3298302397f56922724141bd886e8b4ea738", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking geiger v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking git2 v0.9.1
[INFO] [stderr]  Documenting unsafe-now v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "caf8c3821fcb3b83234e14c03bbd3298302397f56922724141bd886e8b4ea738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf8c3821fcb3b83234e14c03bbd3298302397f56922724141bd886e8b4ea738", kill_on_drop: false }`
[INFO] [stdout] caf8c3821fcb3b83234e14c03bbd3298302397f56922724141bd886e8b4ea738